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020210_EPDB_08_e07.2018
1/ 8
Proportional pressure relief valve
Table of contents Contents Page
Characteristics � proportional pressure relief valve in spool design
� screw-in valve for cavity T-10A
� or slip-in valve for cavity C-10-2
� low vibration
� maintenance-free
� degressive version available
pilot operated, solenoid operatedoperating pressure max. 315 bar
volume flow max. 80 l/mincavity T-10A or C-10-2
EPDB 08
Characteristics 1Technical data 2Performance 3Dimensions 4Type code 7Accessories and additional information 8
1
2
2 / 8
020210_EPDB_08_e | ValveTech
Hydraulic Operating pressure max.: 315 bar (with free return flow in port 2) with aluminium manifolds 210 bar max. pressure at port 2: 35 bar
Flow rate: 80 l/minPressure setting range see type codeFlow direction: 1 (P) to 2 (T) (2 to 1 not allowed)Hydraulic fluid: mineral oil according to DIN 51524, others upon requestViscosity range: 10 - 350 cStFiltration: oil cleanliness according to ISO 4406 (1999)
18/16/13, filter with β 5(c) > 200Repeatability: < 3 % with optimized PWM-signal*Hysteresis: < 5 % with optimized PWM-signal** at 20 % to 100 % of the nominal valve current
Technical data
Mechanic Design: EEPDBS screw-in valve T-10A or EEPDBM screw-in valve C-10-2, EPDBSA screw-in valve in mounting plate NG 6, pilot operated
Size: 08Fluid temperature: -25 ° C to +70 ° CAmbient temperature: -25 ° C to +50 ° CStorage temperature: -30 ° C to +60 ° C (non-condensing)Installation position: anyWeight: EEPDBS 08 and EEPDBM 08: 0,7 kg, EPDBSA 08: 1,1 kgMaterial: valve parts: steel
seals: NBR, Viton optionalSurface protection: exterior parts: zinc coated steel, partially burnished
Electric Nominal voltage: 12 V DC, 24 V DCNominal valve current: 1,7 A (12 V), 0,7 A (24 V)Nominal resistance (R20): 4 Ω (12 V), 25 Ω (24 V)Power consumption: 16 W at nominal valve currentShifting time: 100 % EDControl command: PWM-signalPWM-frequency: typically 140 Hz (depending on application)Protection class: IP65 with correctly mounted and locked mating connectorElectric termination: Electric plug according to DIN EN 175301-803 (formerly
DIN 43650) shape A, AMP Junior Timer, unterminated wireElectronic controllers: see chapter 6 “electronics and sensors” as well as our
online catalogue at www.weber-hydraulik.com
NOTE The pressure on port 2 (T) adds directly to the set pressure. The total pressure of ports A and T must not exceed the maximum operating pressure.
Proportional pressure relief valve
3 / 8
ValveTech | 020210_EPDB_08_e
Performance
Pressure drop diagram (p/Q) EEPDB 08 at IN
Pressure drop diagram (Δp/Q) EEPDB 08 at I = 0 mA (currentless)
Pressure drop diagram (Δp/Q) EEPDB 08 degressive version at I = 100 % (full current)
Pressure drop diagram (p/I) EEPDB 08 degressive version at Q = 20 l/min
Pressure drop diagram (p/I) EEPDB 08 at Q = 20 l/min
Pressure drop diagram (p/Q) EEPDB 08 degressive version at IN
Test conditions Oil: HLP 32, temperature: 40 ° C (~32 cSt).Higher volume flow and viscosity lead to higher pressure at port 1. The higher the pressure setting range, the stronger this effect will be.
Proportional pressure relief valve
0 10 20 30 40 50 60 70 800
100
200
300 315
275
115
210175
p [b
ar]
Q [l/min]
254570
0 20 40 60 800
5
10
15
20
25
30
35 315
25-275
Δp
[bar
]
Q [l/min]0 20 40 60 800
5
10
15
20
25
30
35 315
25-275
Δp
[bar
]
Q [l/min]
0 10 20 30 40 50 60 70 800
100
200
300
315275
115
210175
p [b
ar]
Q [l/min]
254570
0 20 40 60 80 1000
50
100
150
200
250
300
350315
275
210
p [b
ar]
IN [%]
175
115
70
25
45
0 20 40 60 80 1000
50
100
150
200
250
300
350 315
275
210
p [b
ar]
IN [%]
175
115
70
2545
4 / 8
020210_EPDB_08_e | ValveTech
installation torque 3 Nm SW 3
electric plug acc. to DIN EN 175301-803 (formerly DIN 43650) shape A
DimensionsScrew-in valve
EEPDBS 08
locating shoulder T-10A
Cavity T-10A
installation torque 45 Nm SW 22
NOTE The valve is also available as EPDBSA (08/06) in a mounting plate NG 6. Please contact us for further information.
NOTE For a detailled drawing of the cavity please see chapter 11 „general information“ or our online catalogue at www.weber-hydraulik.com.
NOTE For appropriate manifolds see chapter 10 „connecting plates and manifolds“ as well as our online catalogue at www.weber-hydraulik.com.
Proportional pressure relief valve
1 2 3 4
A
B
C
D
E
DIE
SE
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RLA
GE
IST
GE
HE
IMZ
UH
ALT
EN
.FU
ER
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INE
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EN
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IGH
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EN
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TO
FA
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TE
NT
.
F
M.K.F.T.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V34
REPL. FOR
ART.-NR. / PART NO.
FORMATREVISIONREVISION
GEAEND.
HM4 / 94 14 04ERSATZ FUER
MODIF.
A4
GEPR.CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.AEND.-NR.
Lu. B.
SIZE
DATUM
DRAWING NO.ZEICHN.-NR.
OFVON
MASZSTAB
WEIGHT approx.GEWICHT ca.
BENENNUNG / TITLE
SCALE
EEPDBS 08
DATE
GEZ.
FLUID TEAM Automationstechnik GmbHD-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.RESP.NAV.NAV.
-
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
6,5:10
anzuwendende Fluid Team Norm:
TLV-003 (Sauberkeit)AA 05/04 (Expanderbohrung)
- Maße in eckigen Klammern sind Vorbearbeitungsmaße nachDIN 406 Teil 10 und Teil 11
- Maße mit E gekennzeichnetegilt Size ISO 14405
Katalogbereich hochkant
45,3
36o
89,5
11,7
39,5
12,7
>46>
M20x1,5
1
2
1
2
1 2 3 4
A
B
C
D
E
DIE
SE
VO
RLA
GE
IST
GE
HE
IMZ
UH
ALT
EN
.FU
ER
DE
NF
ALL
DE
RE
RT
EIL
UN
GE
INE
SS
CH
UT
ZR
EC
HT
ES
BE
HA
LTE
NW
IRU
NS
ALL
ER
EC
HT
EV
OR
.T
HIS
DO
CU
ME
NT
ISC
ON
FID
EN
TIA
L.A
LLR
IGH
TS
RE
SE
RV
ED
INT
HE
EV
EN
TO
FT
HE
GR
AN
TO
FA
PA
TE
NT
.
F
M.K.F.T.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V34
REPL. FOR
ART.-NR. / PART NO.
FORMATREVISIONREVISION
GEAEND.
HM4 / 94 14 04ERSATZ FUER
MODIF.
A4
GEPR.CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.AEND.-NR.
Lu. B.
SIZE
DATUM
DRAWING NO.ZEICHN.-NR.
OFVON
MASZSTAB
WEIGHT approx.GEWICHT ca.
BENENNUNG / TITLE
SCALE
EEPDBS 08
DATE
GEZ.
FLUID TEAM Automationstechnik GmbHD-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.RESP.NAV.NAV.
-
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
6,5:10
anzuwendende Fluid Team Norm:
TLV-003 (Sauberkeit)AA 05/04 (Expanderbohrung)
- Maße in eckigen Klammern sind Vorbearbeitungsmaße nachDIN 406 Teil 10 und Teil 11
- Maße mit E gekennzeichnetegilt Size ISO 14405
Katalogbereich hochkant
45,3
36o
89,5
11,7
39,5
12,7
>46>
M20x1,5
1
2
1
2
HM4/94 14 04
5 / 8
ValveTech | 020210_EPDB_08_e
installation torque 3 Nm SW 3
electric plug acc. to DIN EN 175301-803 (formerly DIN 43650) shape A
locating shoulder C-10-2
DimensionsSlip-in valve EEPDBM 08
H4/93 41 03
Cavity C-10-2
installation torque 45 Nm SW 22
NOTE The slip-in valve EEPDBM 08 is also available as degressive version.
NOTE We also provide a variety of suitable manifolds for C-10-2. Please contact us for further assistance.
Abmessungen
HINWEIS Passende Gehäuse zu C-10-2 erhalten Sie gerne auf Anfrage.
Einbauventil EEPDBM 08
Einschraubbohrung C-10-2
HINWEIS Das Ventil ist auch in degressiver Ausführung erhältlich.
HINWEIS Eine detaillierte Zeichnung der Stufenbohrung finden Sie in Kapitel 12 „Allgemeine Informationen“ unter der Rubrik „Ventil-Kavitäten und Lochbilder“ und in unserem Onlinekatalog unter www.weber-hydraulik.com.
Proportional pressure relief valve
NOTE For a detailled drawing of the cavity please see chapter 11 „general information“ or our online catalogue at www.weber-hydraulik.com.
1 2 3 4
A
B
C
D
E
DIE
SE V
OR
LAG
E IS
T G
EHEI
MZU
HAL
TEN
. FU
ER D
EN F
ALL
DER
ER
TEIL
UN
G E
INES
SC
HU
TZR
ECH
TES
BEH
ALTE
N W
IR U
NS
ALL
E R
ECH
TE V
OR
.TH
IS D
OC
UM
ENT
IS C
ON
FID
ENTI
AL. A
LL R
IGH
TS R
ESER
VED
IN T
HE
EVEN
T O
F TH
E G
RAN
T O
F A
PATE
NT.
F
M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V40
REPL. FOR
ART.-NR. / PART NO.
FORMATREVISIONREVISION
GEAEND.
HM4 / 93 41 03ERSATZ FUER
MODIF.
A4
GEPR.CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.AEND.-NR.18.06.2002
M.K.
SIZE
DATUM
DRAWING NO.ZEICHN.-NR.
OFVON
MASZSTAB
WEIGHT approx.GEWICHT ca.
BENENNUNG / TITLE
SCALE
EEPDBM 08-XX-1-24V
DATEGEZ.
WEBER-HYDRAULIK ValveTech GmbHD-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.RESP.NAV.NAV.
-
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
65:100
1 1
2
1
111,5
32,2
14,2
36o45,3
2
1
33,3
15,9
7/8"-14 UNF - 2B
n30,2
A.S. 2016.06.08
1 2 3 4
A
B
C
D
E
DIE
SE V
OR
LAG
E IS
T G
EHEI
MZU
HAL
TEN
. FU
ER D
EN F
ALL
DER
ER
TEIL
UN
G E
INES
SC
HU
TZR
ECH
TES
BEH
ALTE
N W
IR U
NS
ALL
E R
ECH
TE V
OR
.TH
IS D
OC
UM
ENT
IS C
ON
FID
ENTI
AL. A
LL R
IGH
TS R
ESER
VED
IN T
HE
EVEN
T O
F TH
E G
RAN
T O
F A
PATE
NT.
F
M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V40
REPL. FOR
ART.-NR. / PART NO.
FORMATREVISIONREVISION
GEAEND.
HM4 / 93 41 03ERSATZ FUER
MODIF.
A4
GEPR.CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.AEND.-NR.18.06.2002
M.K.
SIZE
DATUM
DRAWING NO.ZEICHN.-NR.
OFVON
MASZSTAB
WEIGHT approx.GEWICHT ca.
BENENNUNG / TITLE
SCALE
EEPDBM 08-XX-1-24V
DATEGEZ.
WEBER-HYDRAULIK ValveTech GmbHD-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.RESP.NAV.NAV.
-
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
65:100
1 1
2
1
111,5
32,2
14,2
36o45,3
2
1
33,3
15,9
7/8"-14 UNF - 2B
n30,2
A.S. 2016.06.08
6 / 8
020210_EPDB_08_e | ValveTech
installation torque 3 Nm SW 3
electric plug acc. to DIN EN 175301-803 (formerly DIN 43650) shape A
Screw-in valve EEPDBS 08 degressive
HM4/06 51 01
locating shoulder T-10A
installation torque 45 Nm SW 22
Dimensions
Cavity T-10A
Do not adjust!
NOTE For appropriate manifolds see chapter 10 „connecting plates and manifolds“ as well as our online catalogue at www.weber-hydraulik.com.
Proportional pressure relief valve
NOTE For a detailled drawing of the cavity please see chapter 11 „general information“ or our online catalogue at www.weber-hydraulik.com.
1 2 3 4
A
B
C
D
E
DIE
SE
VO
RLA
GE
IST
GE
HE
IMZ
UH
ALT
EN
.FU
ER
DE
NF
ALL
DE
RE
RT
EIL
UN
GE
INE
SS
CH
UT
ZR
EC
HT
ES
BE
HA
LTE
NW
IRU
NS
ALL
ER
EC
HT
EV
OR
.T
HIS
DO
CU
ME
NT
ISC
ON
FID
EN
TIA
L.A
LLR
IGH
TS
RE
SE
RV
ED
INT
HE
EV
EN
TO
FT
HE
GR
AN
TO
FA
PA
TE
NT
.
F
M.K.F.T.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V29
REPL. FOR
ART.-NR. / PART NO.
FORMAT
REVISIONREVISION
GEAEND.
HM4 / 06 51 01ERSATZ FUER
MODIF.
A4
GEPR.CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.AEND.-NR.29.01.2015
Lu. B.
SIZE
DATUM
DRAWING NO.ZEICHN.-NR.
OFVON
MASZSTAB
WEIGHT approx.GEWICHT ca.
BENENNUNG / TITLE
SCALE
EEPDBS 08-xx-2-xxV-AMP_DEG
DATE
GEZ.
FLUID TEAM Automationstechnik GmbHD-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.RESP.
NAV.NAV.
-
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
65:100
1 1
SAA 2016.06.16
39,6
11,7
45,3
36o
46>
12,7
>
M20x1,5
143
1
1
2
2
1 2 3 4
A
B
C
D
E
DIE
SE
VO
RLA
GE
IST
GE
HE
IMZ
UH
ALT
EN
.FU
ER
DE
NF
ALL
DE
RE
RT
EIL
UN
GE
INE
SS
CH
UT
ZR
EC
HT
ES
BE
HA
LTE
NW
IRU
NS
ALL
ER
EC
HT
EV
OR
.T
HIS
DO
CU
ME
NT
ISC
ON
FID
EN
TIA
L.A
LLR
IGH
TS
RE
SE
RV
ED
INT
HE
EV
EN
TO
FT
HE
GR
AN
TO
FA
PA
TE
NT
.
F
M.K.F.T.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V29
REPL. FOR
ART.-NR. / PART NO.
FORMAT
REVISIONREVISION
GEAEND.
HM4 / 06 51 01ERSATZ FUER
MODIF.
A4
GEPR.CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.AEND.-NR.29.01.2015
Lu. B.
SIZE
DATUM
DRAWING NO.ZEICHN.-NR.
OFVON
MASZSTAB
WEIGHT approx.GEWICHT ca.
BENENNUNG / TITLE
SCALE
EEPDBS 08-xx-2-xxV-AMP_DEG
DATE
GEZ.
FLUID TEAM Automationstechnik GmbHD-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.RESP.
NAV.NAV.
-
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
65:100
1 1
SAA 2016.06.16
39,6
11,7
45,3
36o
46>
12,7
>
M20x1,5
143
1
1
2
2
7 / 8
ValveTech | 020210_EPDB_08_e
Type code
NOTE FOR FNH The lockable manual override with hexagon socket and lock nut (FNH) could be used to override the pressure relief function of the valve. Be aware that the valve can not fulfil its pressure relief function if the FNH is screwed in and locked. This can lead to exces-sive pressure and cause breakage or failure of the components if no parallel pressure relief protection is present. The FNH should never be screwed in and locked when used in conjunction with a running system! The application as a pressure relief valve with extended throttle function is dangerous and not suggested. All liability for doing so lies with the operator!In case the manual override FNH is screwed in to achieve a throttle function (even though this is not suggested), the reduction of the nominal valve current has to be taken into consideration.
* for degressive version no additional manual override selectable** aluminium manifolds are only approved for max. operating pressure of 210 bar
Proportional pressure relief valve
Manual override*without
FNH(see note)
lockable manual override with hexagon socket and lock nut
DNH manual override with push knob
RevisionSize
- -- X08 - --
SealsNBRViton V
Pressure set-ting range
25 25 bar45 45 bar70 70 bar115 115 bar175 175 bar210 210 bar275 275 bar315 315 bar
-
Nominal voltage12V 12 V DC24V 24 V DC
DesignEEPDBS Screw-in valve T-10AEEPDBM Screw-in valve C-10-2
EPDBSAScrew-in valve EEPDBS in mounting plate NG 6**
Special designwithoutdegressive* DEG
Electric terminationDIN
AMP AMP Junior Timer (only 24 V version)
Kunterminated wire 500 mm (only 24 V version)
8 / 8
020210_EPDB_08_e | ValveTech
Accessories/ spare parts
Part: Article number:Socket connector DIN EN 175301-803, shape A, black 149.0007 Seal kit T-10A (NBR) 405.0013Seal kit T-10A (Viton) 405.0037Seal kit C-10-2 (NBR) 405.0079Seal kit C-10-2 (Viton) 405.0080
Accessories and additional information
NOTE For the appropriate electronic controllers, see chapter 6 „electronics and sensors“ as well as our online catalogue at www.weber-hydraulik.com.
Proportional pressure relief valve
All rights reserved
WEBER-HYDRAULIK ValveTech GmbHFelix-Wankel-Str. 4, 78467 KonstanzPhone: +49 7531 9748-0Fax: +49 7531 9748-44
Manual Information regarding installation, set-up and maintenance can be found in our catalogue in chapter 11 under the category „general operating manual“ or will be provided upon request.
