Industrial Hydraulics FAQs - dc-us.resource.bosch.comdc-us.resource.bosch.com/media/us/products_13/product_groups_1/...(610)694-8300 2 • “W” spool ... – Manual override, optional

Industrial Hydraulics FAQs

Updated: JS_September2013

FAQ Title: 3DREP 6 series 1X replacement Category: Proportional and Servo Valves Sub-Category: Obsolete valve replacement

Bosch Rexroth Corporation Hydraulics 2315 City Line Road Bethlehem, PA 18017 Tel (847) 645-3600

Question: How do I replace the former 3DREP 6 series 1X valves?

Answer: The now obsolete 3DREP 6 series 1X valves can be replaced with the current series 2X, with the corresponding amplifier changes (or other options may be applicable – see attached comparison doc.) **However, often the 3DREP6-1X valves are pilot valves on 4WRZ series 3X through 6X. If this is the case, the complete 4WRZ should be replaced with the current series 7X valve. Amplifier changes or other options can also be found on the comparison document. Pertinent data sheets are also listed. The nameplate for the complete 4WRZ valve is found on the main stage. Attachments: 4WRZ 5X, 6X vs 7X Comparison 4WRZ, 3DREP -674 3DREP 2X -674 RE29115 RE29184

Contact: Bosch Rexroth Corp. 7/29/09 2315 City Line Road Bethlehem, PA 18017 (610)694-8300

1

4WRZ

Differences between Series 5X, 6X and 7X

• Series 5X, 6X used rectangular DC proportional solenoids o 700mA maximum current required

• Series 7X uses DC proportional solenoids with pole tube and removable coils o 1500mA maximum current required

• Control Amplifiers:

o Series 5X, 6X typically used VT-3000 (RE29935) or VT-3006 (RE29926) o Card Holder VT-3002-2X/32D (RE29928)

o Series 7X uses VT-VSPA2-1-2X/T1 or T5 (RE30110) o Card Holder VT-3002-2X/48F (RE29928) o Or, modular amplifier VT11118-1X (RE30218)

• Replacement option series 7X available with on-board electronics – 4WRZE o No external amplifier needed o Input options:

• A1 = +/- 10volt • F1 = 4-20mA

• Series 7X available with -674 replacement option

o 4WRZ…7X…-674 allows use of existing amplifier for 5X, 6X o Not a direct replacement – valve opening is at 43% command vs 32% on

the 5X, 6X o 750mA needed to achieve maximum shift vs 700 mA in the 5X, 6X o Command value adjustment may compensate for differences

Contact: Bosch Rexroth Corp. 7/29/09 2315 City Line Road Bethlehem, PA 18017 (610)694-8300

2

• “W” spool designations change from 5X, 6X to 7X o 5X, 6X 7X

W (1:1 SPOOL) W6 W1 (2:1 SPOOL) W8 W2 (1:2 SPOOL) not available in 7X W3 (regen) W9

• Nominal flow ratings of spools to be considered when replacing with 7X: o Command values may need to be adjusted

1/244/2, 4/3 and 5/2, 5/3 proportional directional valves, pilot operated, without electrical position feedback

Types .WRZ…, .WRZE… and .WRH…

Sizes 10 to 52Component series 7XMaxium operating pressure 350 barMaximum flow 2800 l/min

RE 29115/10.05Replaces: 04.05

Type 4WRZE 10…-7X/...K31/… with integrated electronics (OBE)

Type 4WRZ 10…-7X/...K4/…with cable sockets and associated control electronics (separate order)

H/A/D 5738/97H/A/D 5733/97

Table of contents

Contents Page

Features 1

Ordering code 2, 3

Symbols 4

Function, section 5, 6

Technical data 7, 8

Electrical connections 9

Integrated control electronics, cable sockets 10

Characteristic curves 11 to 15

Unit dimensions 16 to 21

Pilot oil supply 22

Valve fixing screws 23

Throttle insert 23

Features

– Pilot operated 2-stage proportional directional valves with integrated electronics (OBE) on type 4WRZE

– Control the direction and magnitude of a flow

– Operation by proportional solenoids with central thread and detachable coil

– For subplate mounting:Porting pattern to ISO 4401Subplates according to data sheets RE 45054 to RE 45060 (separate order), see pages 16 to 21

– Manual override, optional

– Spring-centred control spool

– Control electronics• .WRZE… - integrated electronics (OBE) with voltage input or current input (A1 resp. F1)

• .WRZ…, (separate order) - digital or analogue amplifier in Eurocard format

- analogue module amplifier

2/24 Bosch Rexroth AG Hydraulics .WRZ; .WRZE; .WRH RE 29115/10.05

Ordering code for 4WRZ and 4WRH; sizes 10 to 32, subplate mounting; size 52, flange connection

Hydraulic = HoperationElectro- = Zhydraulic operation

For WRZ only:For external = No codeelectronicsWith integrated electronics = E

Size 10 = 10Size 16 = 16Size 25 = 25Size 32 = 32Size 52 = 52

Symbols

TPa 0 b a 0 b

A B

a 0 a 0A B

TP

= EE1-

= E3-

= W6-W8-

= W9-

= EA 6)

= W6A 6)

With symbols E1- and W8-:P to A:P to B:

qV maxqV/2

B to T:A to T:

qV/2qV max


qV maxqV/2

B to T:A to T:

closedqV max

(Regenerative circuit, base of spool at port A)Note: With spools W6-, W8-, W9-, W6A in spool position "0", there is a connection from A to T and B to T with less than 2% of the relevantnominal cross-section.

Further details in clear text

M 1) = NBR sealsV = FKM seals

No code = Without pressure reducing valve

D3 1) = With pressure reducing valve ZDR 6 DP0-4X/40YM-W80

(fixed setting)

Electronic interface A1 or F1 with 4WRZE

for 4WRZE: A1 = Command value input ± 10 VF1 = Command value input 4 to 20 mANo code = for WRZ and WRH

Electrical connection for WRZ:

K4 1, 4) = Without cable socket with component plug to DIN EN 175301-803

Cable socket – separate order, see page 10

for WRZE:K31 1, 4) = Without cable socket with component plug to DIN EN 175201-804

Cable socket – separate order see page 10

Pilot oil supply and drainNo code = External pilot oil supply,

external pilot oil drain E = Internal pilot oil supply,

external pilot oil drainET = Internal pilot oil supply,

internal pilot oil drain T = External pilot oil supply,

internal pilot oil drain(for size 52 and type 4WRH, only “no code”

possible)

No code = Without special type of protectionJ 3) = Seawater-resistant

NO code = Without manual overrideN9 1, 2) = With concealed manual override

Supply voltage of electronics G24 1) = 24V DC (standard version)

6E 1) = Pilot valve size 6, proportional solenoid with detachable coil

No code = For subplate mountingF = For flange connection (size 52 only)

7X = Component series 70 to 79: unchanged installation and connection dimensions

Nominal flow in l/min at valve pressure differential ∆p = 10 bar25 = 50 =

100 =220 =360 =

85 =150 =325 =520 =

1000 =

for size 10for size 16for size 25for size 32for size 52

1) Not for 4WRH and 4WRZ without pilot valve

2) For version "J"→"N" instead of "N9"3) For details on seawater-resistant

version, see RE 29115-M4) For version "J" = seawater-resisant,

"K31" only 5) Suitable for mineral oils (HL, HLP)

to DIN 515246) not for 4WRH

4WR_ 7X *

Special electrical protection on enquiry!

Hydraulics Bosch Rexroth AGRE 29115/10.05 .WRZ; .WRZE; .WRH 3/24

Ordering code for 5WRZ 52 and 5WRH 52; subplate mounting

Further details in clear text

M 5) = NBR seals

V = FKM seals

No code = Without pressure reducing valveD3 1) = With pressure

reducing valveZDR 6 DP0-4X/

40YM-W80 (fixed setting)

Electronics interface A1 or F1 for 4WRZE

For 4WRZE: A1 = Command value input

± 10 VF1 = Command value input

4 to 20 mANo code = For WRZ

and WRH

Electrical connection for WRZ:

K4 1, 4) = Without cable socketWith component plug to

DIN EN 175301-803 Cable socket – separate

order, see page 10for WRZE:

K31 1, 4) = Without cable socket With component plug to

DIN EN 175201-804Cable socket – separate

order, see page 10

No code = Without special type of protectionJ 3) = Seawater-resistant

No code = Without manual overrideN9 1, 2) = With concealed manual

override

Supply voltage of control electronicsG24 1) = 24V DC

Pilot valve size 66E 1) = Proportional solenoid with detachable coil

7X = Component series 70 to 79: unchanged installation and connection dimensions

Nominal flow at valve pressure differential ∆p = 10 bar1000 = 1000 l/min

5WR_ 52 1000 7X *

1) Not for 5WRH and 5WRZ without pilot valve2) For version "J"→"N" instead of "N9"3) For details on the seawater-resistant version,

see RE 29115-M4) With version "J" = seawater-resistant, "K31" only5) Suitable for mineral oils (HL, HLP) to DIN 515246) not for 5WRH

Special electrical protection on enquiry!

Hydraulic operation = H Elecrohydraulic = Zoperation

For WRZ only:For external electronics = No codeWith integrated electronics = E

Size 52 = 52

Symbols

= EE1-

= E3-

= W6-W8-

= W9-

= EA 6)

= W6A 6)


qV = 1000 l/minqV = 500 l/min

B to T:A to R:




B to T:A to R:

closedqV = 1000 l/min

(Regenerative circuit, spool base at port A)Note: – Pilot oil supply and drain only possible externally

– With spools W6-, W8-, W9-, W6A in their spoolposition "0", there is a connection from A to T and B to T with less than 2% of the relevant nominal cross-section.

R TPa 0 b

A Ba 0 b

a 0A B

R TPa 0

a 0 baX

A B

TP

A B

T

a 0 b

PR

A B

R T

a 0

YP

A B

P T

a 0

YbX

aX

bX

aX

aX

A B

P T

a 0 b

X Yb

A B

P T

a 0

X Yb

A B

P T

a 0

X Yb

R

A B

P Ta 0 b

X Yb

R

A B

P T

a 0 b

A B

T

a 0 b bP

a a

aa

aa

A B

P T

a 0

Xa

Yb

A B

P T

a 0 b

X Ya b

R

A B

P T

a 0a b

A B

T

a 0 ba bP

P

A B

T

a 0

Xa

Yb

R

A B

P T

a 0 b

X Ya b


Symbols (simplified)

Type 4WRZE…-7X./… andType 4WRZE 52…-7XF/…

Type 4WRZE…A-7X./… andType 4WRZE 52 A…-7XF/…

Type 5WRZE 52-7X./…

Type 4WRZE…-7X./…ET…

Type 5WRZE 52 A-7X./…

Type 4WRZE.A…-7X./…ET…

Type 5WRZ 52-7X./…

Type 4WRZ…-7X./…ET…

X = externalY = external


X = internalY = internal

Type 4WRZ…-7X./… andType 4WRZ 52…-7XF/…

Type 4WRZ…A-7X./… andType 4WRZ 52 A…-7XF/…

Type 5WRZ 52 A-7X./…

Type 4WRZ.A…-7X./…ET…

Type 4WRH…A…-7X./… andType 4WRH 52…-7XF/…

Type 5WRH 52 A…-7X./…Type 5WRH 52…-7X.



Type 4WRH…-7X./… andType 4WRH 52…-7XF/…



X = internalY = internal

With electrohydraulic operation and for external electronics

With electrohydraulic operation and for integrated electronics

With hydraulic operation

6 2 31

9

4

ATB

P

5B A

"a""b"

8 8

7

ATB

P

"a""b"


Function, section

Throttle insert

see page 24

Pilot valve type 3DREP 6…

The pilot valve is a proportional solenoid operated 3-way pres-sure reducing valve. It is used to convert an electrical input signal into a proportional pressure output signal and is used on all 4WRZ… and 5WRZ… valves.

The proportional solenoids are controllable DC wet pin solenoids with central thread and detachable coil. The solenoid is optionally controlled by external electronics (type .WRZ...) or integrated electronics (type .WRZE...).

Design:

The valve basically consists of:– Housing (1)– Control spool (2) with pressure measuring spools (3 and 4) – Solenoids (5 and 6) with central thread – Optionally with integrated electronics (7)

Pilot valve with two spool positions(Type 3DREP 6…B…)

In principle, the function of this valve version corresponds to that of the valve with three spool positions. However, this 2-position valve is provided with solenoid "a" (5) only.

Instead of the 2nd proportional solenoid, a plug screw (9) is fitted.

Note on type 3DREP 6:Draining of the tank line must be prevented. In the case of a corresponding installation situation, a pre-load valve is to be installed (pre-load pressure approx. 2 bar).

Function:

– When the solenoids (5 and 6) are in the de-energised condi-tion, the control spool (2) is held by compression springs (8) in the central position

– Direct operation of the control spool (2) by energising a proportional solenoid, e.g. energisation of solenoid "a" (5)

→ Pressure measuring spool (3) and control spool (2) are shifted to the left in proportion to the electrical input signal

→ Connection from P to B and A to T via orifice-like cross- sections with progressive flow characteristics

– De-energisation of the solenoid (5)

→ Control spool (2) is returned to the central position by the compression spring (8)

In the central position, ports A and B are open to T, i.e. the hy-draulic fluid can flow to the tank without any restrictions.

Type 3DREP 6…

Type 3DREPE 6…

T A P YX

AB

10

13

B

12

11

15

14

6 29

5

"b" "a"

16 10


Function, section

Externally pilot operated proportional directional valves, types 4WRH… and 5WRH.52…

Valves of type .WRH… are pilot operated proportional directional valves for the external operation by means of pres-sure control valves.Design:

The valves basically consist of:– A main valve (10) with main spool (11) and centring spring (12)– An interconnecting plate (16)

Function:– Interconnecting plate (16) connects pilot port A with port

T(Y) and pilot port B with P(X)

The pilot pressure in the main valve must not exceed 25 bar (16 bar for size 52)!

Pilot operated proportional directional valvestypes 4WRZ… and 5WRZ.52…

Valves of type 4WRZ... are pilot operated 4-way directional valves with operation by proportional solenoids. They control the direction and magnitude of a flow.

Valves of type 5WRZ… are valves with an additional port “R“ (size 52 only).

Design:

The valves basically consist of:– A pilot valve (9) with proportional solenoids (5 and 6)– A main valve (10) with main spool (11) and centring spring (12)

Function:

– When the solenoids (5 and 6) are de-energised, the main spool (11) is held by centring springs (12) in the central posi-tion

– Operation of the main spool (11) via the pilot valve (9) – the main spool is moved proportionally, e.g. by energising sole-noid "b" (6)

→ The control spool (2) is shifted to the right, pilot oil is fed via the pilot valve (9) into the pressure chamber (13) and moves the main spool (11) in proportion to the electrical input signal

Type .WRH…-7X/…

→ Connection from P to A and B to T via orifice-like cross-sections with progressive flow characteristics

– Pilot oil supply to the pilot valve internally via port P or exter-nally via port X

– De-energisation of the solenoid (6)

→ The control spool (2) and main spool (11) are returned to the central position

– Depending on the spool position, flow from P to A and B to T (R) or P to B and A to T (R).

With the help of an optional manual override (14 and 15) the control spool (2) can be moved without requiring the energi-sation of the solenoid.

Caution! The unintended actuation of the manual override can lead to uncontrolled machine movements!

Type 4WRZE…-7X/…


Technical data (for applications outside these parameters, please consult us!)

GeneralValve type .WRZ .WRZE

Installation orientation Optional, preferably horizontal(commissioning notes according to RE 07800)

Storage temperature range °C – 20 to + 80 °C

Ambient temperature range °C – 20 to + 70 – 20 to + 50

Weight – Subplate mounting Size 10 kg 7.8 8.0

Size 16 kg 13.4 13.6

Size 25 kg 18.2 18.4

Size 32 kg 42.2 42.2

Size 52 kg 79.5 79.7

– Flange connection Size 52 kg 77.5 77.7

Hydraulic (measured with HLP46, ϑoil = 40 °C ± 5 °C and p = 100 bar)Size Size 10 16 25 32 52

Operating pressure

30 to 100– Pilot valve External pilot oil supply bar 20 to 100

Internal pilot oil supply –

bar 100 to 315 with "D3" only

100 to 350 with "D3" only

– Main valve bar up to 315 up to 350 up to 350 up to 350 up to 350

Return flow pres-sure

– Port T (port R) (external pilot oil drain)

bar up to 315 up to 250 up to 250 up to 150 up to 250

– Port T (internal pilot oil drain)

bar up to 30 up to 30 up to 30 up to 30 –

– Port Y bar up to 30 up to 30 up to 30 up to 30 up to 30

Flow of the main valve l/min up to 170 up to 460 up to 870 up to 1600 up to 2800

Pilot oil flow in port X and Y with a steppedinput signal 0 → 100 %

l/min 3.5 5.5 7 15.9 7

Pilot oil volumefor switching process 0 → 100 %

cm3 1.7 4.6 10 26.5 54.3

Hydraulic fluid Mineral oil (HL, HLP) to DIN 51524Further fluids on enquiry!

Hydraulic fluid temperature range °C – 20 to + 80 (preferably + 40 to + 50)

Viscosity range mm2/s 20 to 380 (preferably 30 to 46)

Max. permissible degree of contamination of the hydraulic fluid

Cleanliness class – Pilot valve Class 18/16/13 1)

to ISO 4406 (c) – Main valve Class 20/18/15 1)

Hysteresis % ≤ 6

1) The cleanliness classes specified for components must be adhered to in hydraulic systems. Effective filtration prevents malfunction and, at the same time, increases the service life of components.

For the selection of filters, see data sheets RE 50070, RE 50076, RE 50081, RE 50086 and RE 50088.


Technical data (for applications outside these parameters, please consult us!)

ElectricalValve type .WRZ 1) .WRZE

Type of protection of the valve to EN 60529 IP65 with cable socket mounted and locked

Type of voltage DC

Command value overlap % 15

Max. current A 1.5 2.5

Solenoid coil resistance – Cold value at 20 °C Ω 4.8 2

– Max. hot value Ω 7.2 3

Duty cycle % 100

Max. coil temperature 3) °C 150

Electrical connection – WRZ With component plug to DIN EN 175301-803

Cable socket to DIN EN 175301-803 2)

– WRZE With component plug to DIN EN 175201-804

Cable socket to DIN EN 175201-804 2)

Control electronicsIntegrated electronics (OBE) for type .WRZE Integrated in the valve, see pages 9 and 10

Current consumption Imax A – 1,8

– Power pulse current A – 3

Command value signal – Voltage input "A1" V – ± 10

– Current input "F1" mA – 4 to 20

Suitable for type WRZE

Analogue command value card 2) VT-SWKA-1-1X/… according to data sheet RE 30255

Digital command value card 2) VT-HACD-1-1X/… according to data sheet RE 30143

Analogue command value modules 2) VT-SWMA-1-1X/… according to data sheet RE 29902

VT-SWMKA-1-1X/… according to data sheet RE 29903

External electronics for type WRZ

Analogue amplifier in Euro-card format 2)

– With 1 ramp time VT- VSPA2-1-2X/V0/T1, according to data sheet RE 30110

– With 5 ramp times VT- VSPA2-1-2X/V0/T5, according to data sheet RE 30110

Digital amplifier in Euro-card format 2) VT-VSPD-1-2X/…, acc. to data sheet RE 30523 - middle of 2006

Analogue amplifiers of modular design 2) VT 11118-1X/…, according to data sheet RE 30218

Note: For details regarding environment simulation test-ing in the fields of EMC (elec tro ma gne tic compat-ibility), climate and mecha nical stress, see RE 29115-U (declaration on environmental compat-ibility).

1) With control electronics by Bosch Rexroth2) Separate order3) Due to the surface temperatures occurring on solenoid

coils, the European standards EN 563 and EN 982 must be observed!

A F

ED

C

B

Ø6,

5…11

Ø27

91

PE1 2B

PE1 2A

PE1 2B

PE1 2A

27,5

18

43 10

34,2

5,5

1

2

1

210A250V

GD

M

ABCDEF

Ø8…

Ø13

,5

85


Electrical connection, cable sockets (nominal dimensions in mm)

Cable socket to DIN EN 175301-803

Solenoid a, colour: grey

Separate order under material no. R901017010

Solenoid b, colour: black

Separate order under material no. R901017011

For type .WRZ… (for external electronics – not for version “J“ = seawater-resistant)

Connection to component plug Connection to cable socket

to amplifier to amplifier

For type .WRZE… (with in te grated electronics (OBE) and for version "J" = seawater-resistant)


Separate order under material no. R900021267 (version made of plastic)

For the pin assignment, see block circuit diagram on page 10

Pin assignment for version "J" = seawater-resistant

External electronics


Separate order under material no. R900223890 (metal version)

For the pin assignment, see block circuit diagram on page 10

Contact Connection to

ABCDEF

PE

Solenoid ASolenoid BSolenoid ASolenoid B

n.c.n.c.

Valve body

1 Fixing screw M3Tightening torque MT = 0.5 Nm

ABCDEF

UU

UI

UI

UU

PE

B

A

D

+ Ui0 V– Ui

∑E

F

C


Integrated electronics (OBE) for type WRZE

Block circuit diagram / pin assignment of integrated electronics

Command value: Positive command value (0 to 10 V or 12 to 20 mA) at D and reference potential at E causes a flow from P to A and B to T. Negative command value (0 to – 10 V or 12 to 4 mA) at D and reference potential at E causes a flow from P to B and A to T. For valves with 1 solenoid on the “a” side (spool variants EA and W6A) reference potential at E and po si ti ve command value at D (0 to 10 V or 4 to 20 mA) causes a flow from P to B and A to T.

Connecting cable: Recommendation: – up to 25 m cable length: Type LiYCY 5 x 0.75 mm2

– up to 50 m cable length: Type LiYCY 5 x 1.0 mm2

Outer diameter 6.5 to 11 mm or 8 to 13.5 mm, respectively

Connect shield to PE on the supply side only.1) Slots C and F must not be connected!

Integrated electronics(see below)

Pin assignment of component plug

Supply voltage:

Dif fe rential amplifierSummator

Interlock

Undervoltagerecognition

Step function generator

Rampgenerator 4)

PE conductor 2, 3)

2) Connection PE is to be connected to the heat sink and valve housing3) PE conductor to be screwed onto the valve housing and cover4) The ramp can be adjusted externally from 0 to 2.5 s; identical for Tup and Tdown5) Output stages current-regulated

Command value

Output stage 5)

Output stage 5)

Power supply unit

4)

Interface Integrated electronics (OBE) Valve

24V

GND

Reference potential

Contact Signal

Supply voltage AB

24 VDC (19 to 35 VDC)GND

C Cannot be used 1)

Differential amplifier input

DE

Command value (± 10 V / 4 to 20 mA)reference potential

F Cannot be used 1)

PE conductor PE

100

75

50

25

0100806040200

0 – 100

0 – 75

0 – 50

0 – 25

100806040200

50

100

170

0

5 4

32

1

150

1008070605040302015 90

50

25

75

100

125

150

0

5

4

321

1008070605040302015 90

20

40

60

80

0

5

4

321

1008070605040302015 90

100

75

50

25

0100806040200

0 – 100

0 – 75

0 – 50

0 – 25

100806040200


Transient functions with stepped electrical input signals, measured at pSt = 50 bar

Type 4WRZ…

Characteristic curves (measured with spools ”E, W6-, EA, W6A“ and HLP46, ϑoil = 40 °C ± 5 °C and p = 100 bar) Size 10

Str

oke

in %

→

Signal change in %

Signal change in %Type 4WRZE…

∆p = valve pressure differential to DIN 24311 (inlet pressure pP minus load pressure pL minus return flow pressure pT)

Flow

in l/

min

→Fl

ow in

l/m

in →

Flow

in l/

min

→

Command value in % →



25 l/min nominal flow at 10 bar valve pressure differential



Str

oke

in %

→

Time in ms → Time in ms →

1 ∆p = 10 bar constant
















P → A/B → Tor

P → B/A → T

P → A/B → Tor

P → B/A → T

P → A/B → Tor

P → B/A → T

100

75

50

25

0 1501209060300

0 – 100

0 – 75

0 – 50

0 – 25

1501209060300

80

320

460

0

5

4

32

1

400

240

160

1008070605040302015 90

80

200

320

0

5

4

32

1

280

240

160

120

40

1008070605040302015 90

100

75

50

25

0 1501209060300

0 – 100

0 – 75

0 – 50

0 – 25

1501209060300



Type 4WRZ…

Characteristic curves (measured with spools ”E, W6-, EA, W6A“ and HLP46, ϑoil = 40 °C ± 5 °C and p = 100 bar) Size 16S

trok

e in

% →

Signal change in %



Flow

in l/

min

→Fl

ow in

l/m

in →





Str

oke

in %

→













P → A/B → Tor

P → B/A → T

P → A/B → Tor

P → B/A → T

00

75

50

25

0 300240180120600

0 – 100

0 – 75

0 – 50

0 – 25

300240180120600

200

100

300

400

500

870

0

5

4

32

1

800

700

600

1008070605040302015 90

200

100

300

400

500

0

5

4

321

800

700

600

1008070605040302015 90

100

75

50

25

0300240180120600

0 – 100

0 – 75

0 – 50

0 – 25

300240180120600



Type 4WRZ…


Str

oke

in %

→

Signal change in %



Flow

in l/

min

→Fl

ow in

l/m

in →



P → A/B → Tor

P → B/A → T



Str

oke

in %

→













P → A/B → Tor

P → B/A → T

100

75

50

25

0 400320240160800

0 – 100

0 – 75

0 – 50

0 – 25

400320240160800

250500

750

1600

0

5

4

3

21

15001250

1000

1008070605040302015 90

400

200

600

800

0

5

4

321

1200

1000

1008070605040302015 90

100

75

50

25

0 400320240160800

0 – 100

0 – 75

0 – 50

0 – 25

400320240160800



Type 4WRZ…

Characteristic curves (measured with spools ”E, W6-, EA, W6A“ and HLP46, ϑoil = 40 °C ± 5 °C and p = 100 bar) Size 32S

trok

e in

% →

Signal change in %



Flow

in l/

min

→Fl

ow in

l/m

in →





Str

oke

in %

→













P → A/B → Tor

P → B/A → T

P → A/B → Tor

P → B/A → T

5

4

3

2

1

15 20 30 40 50 60 70 80 100

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

90

100

75

50

25

0 10008006004002000

0 – 100

0 – 75

0 – 50

0 – 25

10008006004002000

100

75

50

25

0 10008006004002000

0 – 100

0 – 75

0 – 50

0 – 25

10008006004002000



Type .WRZ…


Str

oke

in %

→

Signal change in %

Signal change in %Type .WRZE…


Flow

in l/

min

→



Str

oke

in %

→








P → A/B → Tor

P → B/A → T

0,01/100mm

Rzmax 4

234670

Ø 11 Ø 6,6

TB A

P

12 1415

189

Pg11

10

BPAT

1286

35

10581

a

a

1519

13

1

b

b

57

2

11

8

6

1587

18

4

3

112,

5

227156,5

247

AB

"b" "a"

2027

13,5

108

PA B

T

X Y

T1

7332,5

160,525,5

17 16

54

F1 F2

F4 F3

20

50,8

4548


For section details, see page 22.

Required surface finish of the valve mounting surface

1 Main valve2 Pilot valve3 Dimension for version “4WRZ…“ (not seawater-resistant)4 Dimension for version “4WRZE…“5 Proportional solenoid “a“6 Proportional solenoid “b“7 Cable socket “A“, separate order, see page 98 Cable socket “B“, separate orde, see page 99 Cable socket, separate order, see page 9

10 Concealed manual override “N9“11 Cover for valves with one solenoid12 Nameplate for pilot valve13 Nameplate for main valve14 Integrated electronics (OBE)15 Pressure reducing valve “D3“16 Identical seal rings for ports A, B, P, T and T117 Identical seal rings for ports X and Y18 Space required to remove cable socket19 Interconnection plate (type 4WRH…)

Unit dimensions (nominal dimensions in mm) Size 10

20 Machined mounting face, position of ports to ISO 4401-05-05-0-94, ports X and Y deviating from the standard as required: – Ports A, B, T, T1 and P Ø11 mm.

Subplates according to data sheet RE 45054 and valve fixing screws must be ordered separately.Subplates: G 534/01 (G 3/4) without ports X, Y, T1 G 535/01 (G 3/4) with ports X, Y G 536/01 (G 1) with ports X, YValve fixing screws, see page 23

173

with

out p

ress

ure

redu

cing

val

ve it

em 1

5

193

with

D3

Tolerances to: – General tolerances ISO 2768-mK

0,01/100mm

Rzmax 4

50

35

69,9

Ø 11 Ø 6,6

101,6

A B

Ø 18 Ø 11

P XT

34,1

1,6

1,6

Y

TB A

P

91

20

10

A B Y

27100,5 154

96

12

a a

1519

113

1716

b

b

52718

6

3

112,

5 18

1587

AB

"b" "a"

4

291,5

15

Pg11

227156,5

45

Ø 3

343

21

48

8

12

14

9

11

164

160

29

94

12

F1F2

P

BA

XT

F3F4

Y

F5

F6G2

G1

20


183

with

out p

ress

ure

redu

cing

val

ve it

em 1

5

203

with

D3

1 Main valve2 Pilot valve3 Dimension for version “4WRZ…“ (not seawater-resistant)4 Dimension for version “4WRZE…“5 Proportional solenoid “a“6 Proportional solenoid “b“7 Cable socket “A“, separate order, see page 98 Cable socket “B“, separate order, see page 99 Cable socket, separate order, see page 9

10 Concealed manual override “N9“11 Cover for valves with one solenoid12 Nameplate for pilot valve13 Nameplate for main valve14 Integrated electronics (OBE)15 Pressure reducing valve “D3“16 Identical seal rings for ports A, B, P and T17 Identical seal rings for ports X and Y18 Space required to remove cable socket19 Interconnection plate (type 4WRH…)


20 Machined mounting face, position of ports to ISO 4401-07-06-0-94, ports X and Y deviating from the standard as required: Ports A, B, P, T Ø20 mm.

21 Locating pin

Subplates according to data sheet RE 45056 and valve fixing screws must be ordered separately.Subplates: G 172/01 (G 3/4) G 172/02 (M27 x 2) G 174/01 (G 1) G 174/02 (M33 x 2) G 174/08 (flange)Valve fixing screws, see page 23




0,01/100mm

Rzmax 4

Ø 20Ø 14

414 Ø 6 21

19122

366191

b

b

a a

19

16 17

1052718

6

3

112,

515

18

9

14

1587

AB

"b" "a"

4

Pg11

1

12

15

227156,5

13

PB A

T

77130,2

B

P YT

X A 46

92,1

117

53,2

4548

812

11

225

20

F1 F2

P

BAX

T

F3F4

Y

F5

F6G2

G1

195

21

120

14

126

20





20 Machined mounting face, position of ports to ISO 4401-08-07-0-94, ports X and Y as requireddeviating from the standard: – Ports A, B and T Ø25 mm– Port P Ø24 mm

21 Locating pin

Subplates according to data sheet RE 45058 and valve fixing screws must be ordered separately.Subplates: G 151/01 (G 1) G 154/01 (G 1 1/4); G 154/08 (flange) G 156/01 (G 1 1/2)Valve fixing screws, see page 23



213

with

out p

ress

ure

redu

cing

val

ve it

em 1

5

233

with

D3


0,01/100mm

Rzmax 4

B

25421,5

176500

152

8715

112,

5

16

Pg11

17

7

12

25

8 14 9 18

3

4

18

116

10

A

1519

12a

a

1

15

227156,5

"a""b"

20

197

494

Ø 33Ø 22

Ø 6

45

21

T P Y

X A B

114,3190,5

76,219

158,

8

79,5

13

PB AT

48

302,5

F1 F2

P

BAX

T

F3F4

Y

F5

F6G2

G1

257

23

200

20,5

20


239

w/o

ore

ssur

e re

duci

ng v

alve

item

15

259

with

D3




20 Machined mounting face, position of ports to ISO 4401-10-08-0-94, ports X and Y as requireddeviating from standard: – Ports A, B, T and P Ø38 mm.

21 Locating pin

Subplates according to data sheet RE 45060 and valve fixing screws must be ordered separately.Subplates: G 157/01 (G 1 1/2) G 158/10 (flange) G 157/02 (M48 x 2)Valve fixing screws, see page 23




576

16 15

111

7 5

4

17

10

8715

3

8 14917 1226

A

"a" "b" 21

Pg11

112,

5

15

B

227156,5

158

6819

,5

233129

45

Ø 33

Ø 20,4

21,5

18 20

B

47,5155

262,5

310207,5

102,5

A

T PR

190

13

PBAT

310260

207,5155

102,550

36025

25

19

B AX

T P RY

277,5262,5

47,5

155

140

35

40

240

190

Ø 46

M20

max. Ø 15

48

496

max. Ø 15

0,01/100mm

Rzmax 4


266,

5 w

/o p

ress

ure

redu

cing

val

ve

286,

5 w

ith D

3

1 Main valve2 Pilot valve3 Dimension for version “4WRZ…“

(not seawater-resistant)4 Dimension for version “4WRZE…“5 Proportional solenoid “a“6 Proportional solenoid “b“7 Cable socket “A“1)

8 Cable socket “B“1)

9 Cable socket1) 1) separate order, see page 9

10 Concealed manual override “N9“11 Cover for valves with one solenoid12 Nameplate for pilot valve13 Nameplate for main valve14 Integrated electronics (OBE)15 Identical seal rings for ports A, B, P, T and R16 Identical seal rings for ports X, Y and L17 Space required to remove cable socket18 Interconnection plate (type 4WRH…)19 Machined mounting face, position of ports,

ports X and Y as required 20 Adapter plate21 Lifting eye

Valve fixing screws, see page 23

Unit dimensions: Subplate mounting (nominal dimensions in mm) Size 52


B

B A TP

202170

9866

571

97474

Ø 20Ø 14

175

100

21,5

53

Ø98

8715

112,

5Pg11

7 12 2

5

814915

3

4

15

116

"a" "b"

10

17

16

A

15

18

M16; 28

19,5

227156,5

A

TP

170 14

062

154118

266 Ø 20Ø 14

X Y

13 1

B

PBA

T

G1/2; 18


Connecting flanges according to data sheet RE 45501 and valve fixing screws must be ordered separately.Valve fixing screws, see page 23

283,

5 w

ithou

t pre

ssur

e re

duci

ng v

alve

303,

5 w

ith D

3


10 Concealed manual override “N9“11 Cover for valves with one solenoid

Unit dimensions: Flange connection (nominal dimensions in mm) Size 52

12 Nameplate for pilot valve13 Nameplate for main valve14 Integrated electronics (OBE)15 Space required to remove cable socket16 Interconnection plate (type 4WRH…)17 Adapter plate18 Lifting eye

Y T1

XP

XPT

P

X Y

T

Y

TP

1 2


Piot oil supply

Type 4WRZ…-…/… and External pilot oil supplyType 4WRH…-…/… External pilot oil supply

With this version, the pilot oil is supplied from a separate pilot circuit (external).

The pilot oil drain is not directed into the T-channel of the main valve, but fed separately to the tank via port Y (external).

Type 4WRZ…-…/…E… Internal pilot oil supply External pilot oil drain

With this version, the pilot oil is supplied from the P-channel of the main valve (internal).

The pilot oil drain is not directed into the T-channel of the main valve, but fed separately to the tank via port Y (external). Port X must be plugged on the subplate.

Items 1 and 2: Plug screw M6 DIN 906-8.8 SW 3

Size 10 For section location, see page 16

Section a – a

Pilot valveSection b – bMain valve


Section a – a

Cover

Section b – b

Main valve

Type 4WRZ…-…/…ET… Internal pilot oil supply Internal pilot oil drain

With this version, the pilot oil is supplied from the P-channel of the main valve (internal).

The pilot oil drain is fed directly into the T-channel of the main valve (internal).

Ports X and Y must be plugged on the subplate .

Type 4WRZ…-…/…T… External pilot oil supply Internal pilot oil drain

With this version, the pilot oil is supplied from a separate pilot circuit (external).

The pilot oil drain is fed directly into the T-channel of the main valve (internal).

Port Y must be plugged on the subplate

Pilot oil supply(Section a – a)

external:internal:

11

closedopen

Pilot oil drain(Section b – b)

external:internal:

22

closedopen


external:internal:

PP

closedopen


external:internal:

11

closedopen

P

T

P

XY

T

X

1

2

Y

TP

X

PT

2 1


Section a – a

Pilot valve

Section b – b

Main valveCover


Section a – a Pilot valve

Main valve


external:internal:

11

closedopen


external:internal:

22

closedopen

Pilot oil supply external:internal:

11

closedopen

Pilot oil drain external:internal:

22

closedopen


Valve fixing screws (separate order)

The following valve fixing screws are recommended:

4WRZ10

4 S.H.C.S. ISO 4762 – M6 x 45 -10.9-flZn-240h-L(friction value µtotal = 0.09 to 0.14)Tightening torque MA = 13.5 Nm ± 10%Material No. R913000258

or

4 S.H.C.S. ISO 4762 – M6 x 45 -10.9(friction value µtotal = 0.12 to 0.17)Tightening torque MA = 15.5 Nm ± 10%

4WRZ16

2 S.H.C.S. ISO 4762 – M6 x 60 -10.9-flZn-240h-L(friction value µtotal = 0.09 to 0.14)Tightening torque MA = 12.2 Nm ± 10%Material No. R913000115

4 S.H.C.S. ISO 4762 – M10 x 60 -10.9-flZn-240h-L(friction value µtotal = 0.09 to 0.14)Tightening torque MA = 58 Nm ± 20%Material No. R913000116or

2 S.H.C.S. ISO 4762 – M6 x 60 -10.9(friction value µtotal = 0.12 to 0.17)Tightening torque MA = 15.5 Nm ± 10%

4 S.H.C.S. ISO 4762 – M10 x 60 -10.9(friction value µtotal = 0.12 to 0.17)Tightening torque MA = 75 Nm ± 20%

4WRZ25

6 S.H.C.S. ISO 4762 – M12 x 60 -10.9-flZn-240h-L(friction value µtotal = 0.09 to 0.14)Tightening torque MA = 100 Nm ± 20%Material No. R913000121

or


4WRZ32

6 S.H.C.S. ISO 4762 – M20 x 80 -10.9-flZn-240h-L(friction value µtotal = 0.09 to 0.14)Tightening torque MA = 340 Nm ± 20%Material No. R901035246

or


5WRZ52

for steel mounting faces:7 S.H.C.S. ISO 4762 – M20 x 90 -10.9-flZn-240h-L(friction value µtotal = 0.09 to 0.14)Tightening torque MA = 465 Nm ± 20%Material No. R913000397

for cast iron mounting faces:7 S.H.C.S. ISO 4762 – M20 x 100 -10.9-flZn-240h-L(friction value µtotal = 0.09 to 0.14)Tightening torque MA = 465 Nm ± 20%Material No. R913000386

or

for steel mounting faces:7 S.H.C.S. ISO 4762 – M20 x 90 -10.9(friction value µtotal = 0.12 to 0.17)Tightening torque MA = 610 Nm ± 20%

for cast iron mounting faces:7 S.H.C.S. ISO 4762 – M20 x 100 -10.9(friction value µtotal = 0.12 to 0.17)Tightening torque MA = 610 Nm ± 20%

4WRZ52

4 S.H.C.S. ISO 4762 – M12 x 70 -10.9-flZn-240h-L(friction value µtotal = 0.09 to 0.14)Tightening torque MA = 100 Nm ± 20%

or


When using a proportional directional valve of type 4WRZ…, install the following throttle insersts in channels A and B of the pilot valve:

Throttle insert

Size 10 16 25 32 52

Ø in mm 1.8 2.0 2.8 – –

Material no. R900158510 R900158547 R900157948 – –

Bosch Rexroth AGHydraulicsZum Eisengießer 197816 Lohr am Main, GermanyPhone +49 (0) 93 52 / 18-0Fax +49 (0) 93 52 / 18-23 [email protected]


© This document, as well as the data, specifi cations and other information set forth in it, are the exclusive property of Bosch Rexroth AG. Without their consent it may not be reproduced or given to third parties.The data specifi ed above only serve to describe the product. No statements concerning a certain condition or suitability for a certain application can be derived from our information. The information given does not release the user from the obligation of own judgment and verifi cation. It must be remembered that our products are subject to a natural process of wear and aging.

Notes

1/12Proportional pressure reducing valve, in 3-way version

Type 3DREP and 3DREPE

Size 6Component series 2XMaximum operating pressure 100 bar Maximum flow 15 l/min

RE 29184/06.11Replaces: 12.02

Table of contentsContents PageFeatures 1Ordering code 2Symbols 2Function, section 3Technical data 4, 5Block diagram of the integrated electronics (OBE) for type 3DREPE 6Accessories 7 Characteristic curves 8Unit dimensions 9 to 11Throttle insert 12

Features– Direct operated proportional valves for controlling a pressure

and the direction of a flow– Operation by means of proportional solenoids with central

thread and detachable coil– Subplate mounting:

Porting pattern according to ISO 4401– Manual override, optional– Spring-centered control spool– Type 3DREPE with integrated control electronics– External control electronics for type 3DREP: • AnalogamplifierstypeVT-VSPA2-1-2X/…inEurocard

format (separate order), see page 5 • DigitalamplifiertypeVT-VSPD-1-1X/…inEurocard format (separate order), see page 5

• ElectricamplifiertypeVT11118inmodulardesign (separate order), see page 5

InhaltTable of contents 1Features 1Ordering code 2Symbols 2Function, section 3Technical data (For applications outside these parameters, please consult us!) 4Technical data (For applications outside these parameters, please consult us!) 5Block diagram of the integrated electronics (OBE) for type 3DREPE 6Accessories (not included in scope of delivery) 7Characteristic curves (measured with HLP 46, ϑoil = 40 °C ± 5 °C and p = 100 bar) 8Unit dimensions: Type 3DREP (dimensions in mm) 9Unit dimensions: Type 3DREP...J - sea water-resistant (dimen-sions in mm) 10Unit dimensions: Type 3DREPE and 3DREPE...J - sea water-resistant (dimensions in mm) 11Throttle insert 12

2/12 Bosch Rexroth AG Hydraulics 3DREP; 3DREPE RE 29184/06.11

Ordering code

For external control electronics = No codeWith integrated control electronics = E

SizeSize 6 = 6Symbols (simplified)

= A

= B

= C

Component series 20 to 29 = 2X(20 to 29: Unchanged installation and connection dimensions)Pressure rating 16 bar = 1625 bar = 2545 bar = 45

Further details in the plain text

Seal material M = NBR seals V = FKM seals

No code = For DREPFor DREPE

A1 = Command value/ actualvalue±10V

F1 = Command value/ actual value 4 to 20 mA

Electrical connection for DREPK4 = 1) Without mating connectors,

with connector according to DIN EN 175 301-803

Mating connectors - separate order see page 7

For DREPE K31 = 1) Without mating connectors,

with connector according to DIN EN 175 301-804

Mating connectors - separate order see page 7

No code = Without special type of protection

J = 2) Sea water-resistantNo code = Without manual overrideN9 = 3) With concealed manual override

Supply voltageG24 = +24Vdirectvoltage

E = Proportional solenoid with detachable coil

3DREP 6 2X E G24 *

P T

A

b

PT

B

a

P T

A

bPT

B

a

1) With version "J" = sea water-resistant only specify "K31"2) Only with version 3DREP63) With version "J" = "N" instead of "N9"Electric special types of protection on request!

SymbolsType 3DREP..6 A 2X/..E (detailed)

TP A

PTa

B

Type 3DREP..6 C 2X/..E (detailed)

Type 3DREP..6 B 2X/..E (detailed)Example of valve with integrated control electronics

Type 3DREPE..6 C 2X/..E (simplified)

TP A

P Tb

BTP

P T

A

aPT

B

b

P T

A

bPT

B

a

Hydraulics Bosch Rexroth AGRE 29184/06.11 3DREP; 3DREPE 3/12

Function, sectionThe 3-way pressure reducing valve type 3 DREP 6.. is direct operated by proportional solenoids. It is used to convert an electric input signal into a proportional pressure output signal. The proportional solenoids are controllable wet-pin DC so-lenoids with central thread and detachable coil. The so-lenoids are optionally actuated by external control elec-tronics (type 3DREP) or by the internal control electronics (type 3DREPE).Set-up:The valve basically consists of:– Housing (1) with connection surface– Control spool (2) with pressure measuring spool (3, 4)– Solenoids (5, 6) with central thread– Optionally integrated control electronics (7)Function:The pressure in A or B is set by means of the proportional solenoids. The amount of the pressure depends on the cur-rent. With de-energized solenoids (5, 6), the control spool (2) is held in the central position by means of the pressure springs (8). Ports A and B are connected with T so that the hydraulic fluid can flow off to the tank without obstructions.

By energizing a proportional solenoid e.g. solenoid "a" (5), the pressure measuring spool (3) and with it the control spool (2) are moved to the right. This opens the connection from P to B and A to T via orifice-type cross-sections with progressive flow characteristic. The pressure that builds up in channel B acts with the surface of the pressure measuring spool (4) on the control spool and against the solenoid force. The pres-sure measuring spool (4) is supported by the solenoid "b". If the pressure exceeds the value set at solenoid "a", the control spool (2) is pushed back against the solenoid force and con-nects B with T until the set pressure is achieved again. The pressure is proportional to the solenoid current.After shut-down of the solenoid, the control spool (2) is re-turned into the central position by the compression springs (8). An optional hand override (9, 10) allows for the displacement of the control spool (2) without solenoid energization.

Note:The unwanted activation of the hand override may lead to un-controlled machine movements!

5 2 4 61

"a" "b"

8 8

3

109P

BTA

BA

11 11

"a" "b"

7

P

BTA

Type 3DREP 6..

Type 3DREPE 6..

Valve with 2 spool positions: (type 3DREP..A.. or 3DREP..B..) The function of this valve design corresponds basically to the valve with 3 spool positions. The 2 spool position valves are, however, only equipped with solenoid "a" (5) or sole-noid "b" (6). Instead of the 2nd proportional solenoid, there is a plug screw (11).

Note:The tank line must not be allowed to run empty. With corresponding installation conditions, a pre-charge valve (pre-charging pressure approx. 2 bar) must be installed.


Technical data (For applications outside these parameters, please consult us!)

generalValvetype 3DREP 3DREPEWeight kg 2.0 2.2Installation position Any, preferably horizontalStorage temperature range °C –20 to +80Ambient temperature range °C –20 to +70 –20 to +50

hydraulic (measured with HLP 32, ϑoil = 40 °C ± 5 °C)Operating pressure range Port P bar 20 to 100 for pressure rating 16

bar 30 to 100 for pressure rating 25bar 50 to 100 for pressure rating 45

Port T bar 0 to 30Maximum flow l/min 15 (∆p = 50 bar)Hydraulic fluid See table belowHydraulic fluid temperature range (at the valve working ports)

°C –20 to +80, preferably +40 to +50

Viscosityrange mm2/s 20 to 380, preferably 30 to 46Maximum admissible degree of contamination of the hydraulic fluid cleanliness class according to ISO 4406 (c)

Class 17/15/12 1)

Hysteresis % ≤5Repeatability % ≤1Response sensitivity % ≤0.5Range of inversion % ≤1

1) The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration pre-vents faults and at the same time increases the service life of the components.

For the selection of the filters see www.boschrexroth.com/filter

Hydraulic fluid Classification Suitable sealing materials StandardsMineral oils and related hydrocarbons HL, HLP NBR, FKM DIN 51524Flame-resistant – Water-containing HFC NBR ISO 12922

Important information on hydraulic fluids!– For more information and data on the use of other hydrau-

lic fluids refer to data sheet 90220 or contact us!– There may be limitations regarding the technical valve

data (temperature, pressure range, service life, mainte-nance intervals, etc.)!

– The flash point of the process and operating medium used must be 40 K higher than the maximum solenoid sur-face temperature.

– Flame-resistant – water-containing: Maximum pressure differential per control edge 175 bar, otherwise, increased cavitation erosion! Tank pre-loading < 1 bar or > 20 % of the pressure differ-ential. The pressure peaks should not exceed the maxi-mum operating pressures!


Technical data (For applications outside these parameters, please consult us!)electricValvetype 3DREP 3DREPEVoltagetype Direct voltageType of signal AnalogCommand value signal Voltageinput"A1"

Current input "F1"V

mA- ±10

4 to 20Maximum current per solenoid A 1.5 2.5Solenoid coil resistance Cold value at 20 °C Ω 5.2 2.15

Maximum hot value Ω 7.6 3.3Duty cycle % 100Maximum coil temperature 1) °C up to 150ProtectionclassaccordingDINEN60529/VDE0470part1 IP 65 with mating connector mounted and locked

1) Due to the temperatures occurring at the surfaces of the solenoid coils, the European standards ISO 13732-1 and EN 982 need to be adhered to!

Control electronicsFor 3DREP Digital amplifier in Eurocard format 1) VT-VSPD-1-2X/...accordingtodatasheet30523

Analog amplifier in Eurocard format 1) VT-VSPA2-1-2X/…accordingtodatasheet30110Analog module amplifier 1) VT11118-1X/...accordingtodatasheet30218

For 3DREPE Integrated in the valve, see page 8Analog command value module VT-SWMA-1-1X/...accordingtodatasheet29902Analog command value module VT-SWMKA-1-1X/...accordingtodatasheet29903Digital command value card VT-HACD-1-1X/…accordingtodatasheet30143Analog command value card VT-SWKA-1-1X/...accordingtodatasheet30255

Supply voltage Nominal voltage VDC 243DREPE, 3DREP 2) Lower limit value V 19

Upper limit value V 35Current consumption Imax A 1.8of the amplifier Maximum impulse current A 3

1) Separate order2) With Bosch Rexroth AG control electronics

Note: Information on the environment simulation testing for the areas EMC (electromagnetic compatibility), climate and mechanical load see RE 29055-U (declaration on environmental compatibility).


Block diagram of the integrated electronics (OBE) for type 3DREPE

PE

B

A

E

D

U

UI

UI2

1

+ Ui0 V– Ui

UU

•

U/I

Interface Integrated control electronics Valve

Command value

Reference potential

GND

Protective earth-ing conductor

Supply voltage:

24 V

Summing deviceRamp generatorDifferential amplifier

Output stage 1)

Lock

Undervoltage detection

Power supply

Step function generator

Output stage 1)

1 Protective earthing conductor screwed to valve housing and cover2 Ramp can be set from 0 to 5 s from the outside (T up ≙ T down)

1) Output stages current-controlled

Device connector allocation Contact Signal with A1 Signal with F1Supply voltage A 24VDC(u(t)=19.4to35V);Imax = 2 A

B 0VReference (actual value) C Cannot be used 1)

Differential amplifier input D ±10V;Re>50kΩ 4to20mA;Re>100Ω(command value) E Reference potential command value

F Cannot be used 1)

PE Connected to cooling element and valve housing

1) Slots C and F must not be connected!

Command value: Reference potential at E and positive command value (or 12 to 20 mA) at D result in pressure in A. Reference potential at E and negative command value (or 12 to 4 mA) at D result in pressure in B.With valves with 1 solenoid on side b (design A): Reference potential at E and positive command value at D (4 to 20 mA) result in pressure in A.With valves with 1 solenoid on side a (design B): Reference potential at E and positive command value at D (4 to 20 mA) result in pressure in B.

Connection cable: Recommendation: – Up to 25 m line length: Type LiYCY 5 x 0.75 mm2 – Up to 50 m line length: Type LiYCY 5 x 1.0 mm2

External diameter 6.5 to 11 mm Connect shield on PE only on the supply side.


Accessories (not included in scope of delivery)

Subplates Data sheetSize 6 45052

Mating connectors Material numberMating connector for Solenoid a, color gray R9000746833DREP DIN EN 175301-803 Solenoid b, color black R900074684Mating connector for e.g. R900021267 (plastic)3DREPE and 3DREPE...J... DIN EN 175201-804 e.g. R900223890 (metal)

e.g. R900217845 (plastic 90°)Mating connector for3DREP...J... DIN EN 175201-804 R900021267 (plastic)

RD 29087_003_004

Hexagon socket head cap screws

RD 29087_003_001

Material numberSize 6 4 x ISO 4762 - M5 x 50 - 10.9

Tightening torque MA = 8.9 Nm ±10 %


Characteristic curves (measured with HLP 46, ϑoil = 40 °C ± 5 °C and p = 100 bar)

0 10

20

20 30 40 50 60 70 80 90 100

40

60

80

100

16

15

020 15 10 5 0 5 10 1525

20

40

60

80

100

120

140

0 10 20 30 40 50

10

20

30

40

50

60

Pressure rating 16, 25 and 45 bar

Pressure rating 16, 25 and 45 bar

Pressure/flow dependency


Pressure differential in bar →

Flow in l/min →A(B) →T

Rate

d pr

essu

re in

% →

Flow

in l/

min

→

Out

put p

ress

ure

in %

→

P →A(B)

P →Aor P →B

A →Tor B →T

0,01/100mm

Rmax 4 4772

8

15

T

PA

F4 F3

BF1 F2

G

11

8,4 79

94

156,5

227

47"a"

3 425 61 7 9 8

15

10

42

9

"b"

B

23,5

A

Ø 45,569,2

Subplates and valve mounting screws see page 7.


Unit dimensions: Type 3DREP (dimensions in mm)

1 Valvehousing2 Name plate3 Proportional solenoid "a"4 Proportional solenoid "b"5 Mating connector "A", color gray

(order separately, see page 5)6 Mating connector "B", color black

(order separately, see page 5)7 Identical seal rings for ports A, B, P, and T8 Concealed manual override "N9"9 Plug screw for valves with 1 solenoid (version "A" or "B")

10 Space required for removing the mating connector11 Machined valve mounting face, porting pattern according

to ISO 4401-03-02-0-05

General tolerances according to ISO 2768-mK

Required surface quality of the valve mounting face

0,01/100mm

Rmax 4

47

72

8

15

T

PA

F4 F3

BF1 F2

G

11

1 Valvehousing2 Name plate3 Proportional solenoid "a"4 Proportional solenoid "b"5 Mating connector

(order separately, see page 5)7 Identical seal rings for ports A, B, P, and T8 Concealed manual override "N"9 Plug screw for valves with 1 solenoid (version "A" or "B")

10 Space required for removing the mating connector11 Machined valve mounting face, porting pattern according

to ISO 4401-03-02-0-0512 Dimension for version "N"

Subplates and valve mounting screws see page 7General tolerances according to ISO 2768-mK



Unit dimensions: Type 3DREP...J - sea water-resistant (dimensions in mm)

31

8,4 69,2

226

156

78

23,5

4791

,5

15

42

3 9 7 9 41

10

"a" "b"

5

40,513,5

AT

P

B

24832

,5

2

292

8

Ø 45,5

(292)

12

0,01/100mm

Rmax 4

47

72

8

15

T

PA

F4 F3

BF1 F2

G

111 Valvehousing2 Name plate3 Proportional solenoid "a"4 Proportional solenoid "b"5 Mating connector

(order separately, see page 5)7 Identical seal rings for ports A, B, P, and T8.1 Concealed manual override "N9"8.2 Manual override "N" for sea water-resistant version "J"9 Plug screw for valves with 1 solenoid (version "A" or "B")10 Space required for removing the mating connector11 Machined valve mounting face, porting pattern according

to ISO 4401-03-02-0-0512 Integrated control electronics13 Dimension ( ) for sea water-resistant version "J"

Subplates and valve mounting screws see page 7

General tolerances according to ISO 2768-mK



Unit dimensions: Type 3DREPE and 3DREPE...J - sea water-resistant (dimensions in mm)12 8.1

3 9 7 9 41

10

"a" "b"

8,4

156 (188)

226 (291)

78

116

15

42

23,5

5

31

32,5

40,513,5

A BT

P

265 (298)

47

2

29813 8.2

69,2Ø 45,5

When using a proportional directional valve type 4WRZ..., the following throttle inserts are to be used in channel A and B:

Size 10 16 25 32 52Ø in mm 1.8 2.0 2.8

Material no. R900158510 R900158547 R900158548

Bosch Rexroth AG HydraulicsZum Eisengießer 197816 Lohr am Main, Germany Phone +49 (0) 93 52 / 18-0 Fax +49 (0) 93 52 / 18-23 [email protected] www.boschrexroth.de

© This document, as well as the data, specifications and other informa-tion set forth in it, are the exclusive property of Bosch Rexroth AG. It may not be reproduced or given to third parties without its consent.The data specified above only serve to describe the product. No state-ments concerning a certain condition or suitability for a certain applica-tion can be derived from our information. The information given does not release the user from the obligation of own judgment and verification. It must be remembered that our products are subject to a natural process of wear and aging.


Throttle insert

Documents

Industrial Hydraulics FAQs - dc-us.resource.bosch.comdc-us.resource.bosch.com/media/us/products_13/product_groups_1/...(610)694-8300 2 • “W” spool ... – Manual override, optional