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85 www.westernfilter.com
Two bowl lengthoptions for designflexibility
T-Head style standard, alternative L-Head design
Compact, lightweight,ease of changing element (positive pin stop)
Wide range of indicator options
High density anodized aluminum head and bowl
Replacement elementavailable in C-Pak TM
media
High collapse H-PakTM
element available for usewith non-bypassapplications
W32250 gpm (189 l/min)
FEATURES
W322 duplex filters provide continuous,uninterrupted filtering of flows up to 50 gpm. The proprietary bowl check valves insure leak freemaintenance during replacement element cycle.The high density aluminum material provides for acompact and lightweight filter design. Five mediagrades are offered down to 5.1µ(c). WF elements corecollapse options range from 150 to 3000 PSI.The differential pressure indicator line is designed towork with the wide assortment of bypass valves. Thermal lockout and surge control are two keyfeatures incorporated in many of the valves.
Western Filter elements are compatible withpetroleum oils, water glycol, oil/water, HWCF andsynthetic fluids.
Technical Data:
Maximum Working Pressure 3000 psi (207 bar)
Fatigue Pressure Rating 2000 psi max (138 bar)
Typical Burst Pressure 7500 psi max (517 bar)
Temperature Range Operating Buna N -4ºF to + 225ºF
(-43ºC to + 107ºC)Viton -20ºF to + 250ºF
(-29ºC to + 121ºC)
Head and Bowl Material Aluminum
Weight (without elements)Assembly length 1 34 lbs. (15,5 kg.)Assembly length 2 36 lbs. (16,4 kg.)
ACCESSORIES
Seal Kit - Buna N
Seal Kit - E.P.R.
Seal Kit - Viton
P-236853-01
P-236853-02
P-236853-03
TMMEDIUM PRESSURE FILTERSSeries W322 3000 PSI
www.westernfilter.com 86
Housing and Filter ElementFlow versus Pressure Drop150 SUS (32 cSt.) oil with specific gravity < 0.9
TMMEDIUM PRESSURE FILTERSSeries W322 3000 PSI
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
0
10
30
40
0 10 20 30 40 50
GPM
PSID
Housing Only
20
Viscosity Correction Formula∆P Element = psid from catalog X New Viscosity (SUS) X New Specific Gravity
150 0.90∆P Housing = psid from catalog X New Specific Gravity
0.90∆P Assembly = ∆P Element + ∆P Housing
6
12
18
24
PSID
GPM
00
5 10 15 20 25
E601 - 4”
C05
C10
C03
6
12
18
24
PSID
GPM
00
10 20 30 40 50
E601 - 8”
C05
C03
C10
H03
E601 - 4”
PSID
0
6
12
18
24
30
50GPM
10 15 20 25
H10
10
20
30
40
PSID
GPM
00
10 20 30 40 50
E601 - 8”
H10
H03
0
50
100
0 10 20 30 40 50
GPM
PSID
Bypass Valve
50 PSID cracking
90 PSID cracking
87 www.westernfilter.com
Table 1Filter Assembly / Service Element
CODE DESCRIPTION
W322 AssemblyE601 Element
Table 2Element Collapse Options
CODE DESCRIPTION
1 150 psid for housing w/bypass valve
4 3000 psi for housing w/o bypass valve (H-PakTM only)
Table 3Port Size Options
CODE PORT SIZE
B 1-5/16” - 12 UN (SAE 16)
Table 4Bypass Setting Options
CODE BYPASS SETTING
1* Non-bypass
4 Bypass set 50 psid
6 90 psid
*Note: Use option 1 code only with3000 psid collapse filter element.
Table 5 (Primary)Upstream Pressure Gauge andSwitch Option
CODE ∆P INDICATOR STYLE & SETTING
A Visual indicator 70 psid w/TL and surge
B Electrical/visual 70 psid w/TL and surge
D Electrical/visual 35 psidE Electrical/visual 100 psidG Electrical/visual 35 psid w/TLI Visual indicator 70 psidJ ∆P indicator plugL Visual indicator 35 psidM Visual indicator 35 psid
w/TL and surgeN Electrical/visual 35 psid
w/12” 3-wire flying leadO Visual indicator 100 psidP Visual indicator 100 psid
w/TL and surgeR Electrical switch 35 psidS Electrical/visual 100 psid
w/12” 3-wire flying leadT Electrical switch 100 psidU Electrical switch 70 psidV Electrical/visual 70 psid w/TLW Electrical/visual 100 psid w/TLY Electrical/visual 35 psid
w/TL and surgeZ Electrical/visual 100 psid
w/TL and surge
TL (thermal lockout)
Table 5 (Secondary)Receptacle Options
CODE ELECTRICAL STYLE
B Brad Harrison (5-pin)
H Hirschmann (4-pin)
N None, for visual ∆P
Table 6Seal Options
CODE MATERIAL
B Buna N
E E.P.R.
V Viton
Table 7Assembly & Element Length
CODE (LGTH) ELEMENT LENGTH
1 (6.88”) 4.0”
2 (9.86”) 8.00”
Table 8Element Code
CODE DESCRIPTION
C (Glass) 03, 05, 10
H (Glass) 03, 10
Filter Assembly
Service Element
W322 1 B 4 D B B 2 C 10
E601 1 B 2 C 10
TABLE 1 TABLE 2 TABLE 3 TABLE 4 TABLE 5 TABLE 6 TABLE 7 TABLE 8 TABLE 9
TABLE 1 TABLE 2 TABLE 6 TABLE 7 TABLE 8 TABLE 9
Table 9Media Rating
CODE TARGET FLUID CLEANLINESS LEVEL
03 16/14/12 or better
05 18/16/14 or better
10 20/18/15 or better
MEDIUM PRESSURE FILTERSSeries W322 3000 PSI
Note: Information concerning fluidcleanliness codes is on page 6, the Media Grade Selection Guide.
Metric Porting AvailableChange W322 to G322Porting code B becomes 1” ISO 228 BSPP
TM
www.westernfilter.com 88
73.15(2.88)
SAE-12 Plug
SAE-24 Access Plug(Ball Valve)
Outlet Check ValveTyp 2 Plcs
69.85 Min.(2.75)
Clearance toRemove Element
and Bowl
97.54(3.84)
164.34(6.47)Max
Torque Bowl to Head20 N.M(15 Lbs-Ft)Max
Drain Plug9/16-18UNF
(SAE-6 Plug)
152.40(6.00)
243.84(9.60)
152.40(6.00)
7/16-14UNC-2B Thd.Mounting Holes, 4 Plcs
50.80(2.00)
12.70(.50)
218.40(8.60)
12.70(.50)
P Indicator
254.76(10.03)
Alternate Outlet Port(Plugged)
105.40(4.15)
292.61(11.52)
Bleed Plug7/16-20UNF(SAE-4 Plug)
Inlet Port(Outlet Port at Opposite Side.)
Refer ToModel Code
(Assembly Length)
indicates flow directionNote: Handle position
Indicator Switch Schematic Wiring Diagram
Differential Indicators:Indicators are designed to actuate at approximately80% of bypass valve cracking pressure. It isrecommended that an indicator with a bypass setting of 100 psid is used with a non-bypass housing.
Surge Control:This optional feature is used to dampen pressuresurges or spikes to avoid premature actuation of theindicator. Surge control delays the indicator response.
Thermal Lockout:The Thermal Lockout prevents premature signaling ofa bypass condition created by viscous fluid duringcold start-ups. Normal indicator actuation capabilityis resumed once the operating temperature of thefluid reaches approximately 80 Deg. F.
Aluminum Electrical Housings
Plastic Electrical Housings
Note: The female plug (connector)is to be furnished by customer.
Note: The female plug (connector)is to be furnished by customer.
Dimensions:millimeters/(inches)
MEDIUM PRESSURE FILTERSSeries W322 3000 PSI
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
TM
www.westernfilter.com
TMMEDIUM PRESSURE FILTERSSeries W331 3000 PSI
Positive sealingpoppet type bypassfor reliability andzero leakage
Wide range of indicator options
High collapse H-PakTM element available for usewith non-bypass applications
Compact, light-weightdesign for use with servoor proportional valve
W3316 gpm (23 l/min)
FEATURES
The in line pressure filter W331 is ideal for chargepump and pressure line applications. The allaluminum housing has a rated fatigue value of 1500psi. Western Filter’s proprietary BetaPoreTM 5 layermedia is offered in a variety of PakTM designs. Fourmedia grades are offered down to 5.1µ(c). Elementcore collapse options range from 150 to 3000 PSI.The differential pressure indicator line is designed to work with a wide assortment of bypass valves.Thermal lockout and surge control are two keyfeatures incorporated in many of the valves.
Western Filter elements are compatible withpetroleum oils, water glycol, oil/water, HWCF andsynthetic fluids.
Technical Data:
Maximum Working Pressure 3000 psi (210 bar)
Fatigue Pressure Rating 1500 psi max (100 bar)
Typical Burst Pressure 7500 psi max (517 bar)
Temperature Range Operating Buna N -45ºF to + 225ºF
(-43ºC to + 107ºC)Viton -20ºF to + 250ºF
(-29ºC to + 121ºC)
Head and Bowl Material Aluminum
Weight (without elements)Assembly length 1 4.25 lbs. (1,9 kg.)
ACCESSORIES
Seal Kit -Buna N
Seal Kit -E.P.R.
Seal Kit -Viton
P-427466-28
P-427466-29
P-427466-30
89
www.westernfilter.com 90
TMMEDIUM PRESSURE FILTERSSeries W331 3000 PSI
Housing and Filter ElementFlow versus Pressure Drop150 SUS (32 cSt.) oil with specific gravity < 0.9
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
Viscosity Correction Formula∆P Element = psid from catalog X New Viscosity (SUS) X New Specific Gravity
150 0.90∆P Housing = psid from catalog X New Specific Gravity
0.90∆P Assembly = ∆P Element + ∆P Housing
40
45
50
55
60
0 2 4 6
Bypass Valve
DISP
GPM
50 PSID cracking
0
2
4
8
0 1 2 3 4 5
GPM
PSID
Housing Only
6
6
0
3
9
0 1 2 3 4 5GPM
PSID
6
6
0
14
21
35
0 1 2 3 4 5GPM
PSID
6
28
E303
C03
C05
C10
H03
H05
E303
7
www.westernfilter.com
MEDIUM PRESSURE FILTERSSeries W331 3000 PSI
Table 1Filter Assembly / Service Element
CODE DESCRIPTION
W331 AssemblyE303 Element
Table 2Element Collapse Options
CODE DESCRIPTION
1 150 psid for housing w/bypass valve
4 3000 psid for housing withoutbypass valve (H-PakTM only)
Table 3Port Size Options
CODE PORT SIZE
O 3/4” - 16 UN (SAE 8)
Table 4Bypass Setting Options
CODE BYPASS SETTING
1 Non-bypass
4 50 psid
Table 5 (Primary)Upstream Pressure Gauge andSwitch Option
CODE ∆P INDICATOR STYLE & SETTING
D Electrical/visual 35 psidE Electrical/visual 100 psidG Electrical/visual 35 psid w/TLJ ∆P indicator plugL Visual indicator 35 psidM Visual indicator 35 psid
w/ TL and surgeN Electrical/visual 35 psid
w/12” 3 wire flying leadO Visual indicator 100 psidP Visual indicator 100 psid
w/ TL and surgeR Electrical switch 35 psidS Electrical/visual 100 psid
w/12” 3 wire flying leadT Electrical switch 100 psidW Electrical/visual 100 psid
w/TLY Electrical/visual 35 psid
w/TL and surgeZ Electrical/visual 100 psid
w/TL and surgeTL (thermal lockout)
Table 5 (Secondary)Receptacle Options
CODE ELECTRICAL STYLE
B Brad Harrison (5-pin)
H Hirschmann (4-pin)
N None
Table 6Seal Options
CODE MATERIAL
B Buna
E E.P.R.
V Viton A
Table 7Element Code
CODE DESCRIPTION
C (Glass) 03, 05, 10
H (Glass) 03, 10
Filter Assembly
Service Element
W331 1 O 4 L N B C 10
E303 1 B
TABLE 1 TABLE 2 TABLE 3 TABLE 4 TABLE 5 TABLE 6 TABLE 7 TABLE 8
TABLE 1 TABLE 2 TABLE 6
Table 8Media Rating
CODE TARGET FLUID CLEANLINESS LEVEL
03 16/14/12 or better
05 18/16/14 or better
10 20/18/15 or better
Note: Use option code 1 only with3000 psid collapse filter element.
Note: Information concerning fluidcleanliness codes is on page 6, the Media Grade Selection Guide.
Metric Porting AvailableChange W331 to G331Porting code O becomes 1/2” ISO 228 BSPP
TM
91
1 C 10TABLE 7 TABLE 8
www.westernfilter.com 92
IN OUT
92.08(3.63)
76.20(3.00)
38.10(1.50)
∆P Indicator
Access Plug for Bypass Valve(SAE-6 Socket Plug)
175.51(6.91)Max
124.71(4.91)Max
19.05(.75)
Inlet Port
Ø6.75 (17/64) Thru.2 Plcs.
Ø56.64(2.23)
76.20(3.00)
19.05(.75)Square
69.85 (2.75) Requiredfor Element & BowlRemoval
Torque Bowl to 20 N.M. (15 lbs-ft) Max.
Outlet Port
4.06(.16)
Indicator38.10 (1.50) Max. Visual
49.53 (1.95) Max Electrical
Indicator Switch Schematic Wiring Diagram
Differential Indicators:Indicators are designed to actuate at approximately 80% of bypassvalve cracking pressure. It is recommended that an indicator with abypass setting of 100 psid is used with a non-bypass housing.
Surge Control:This optional feature is used to dampen pressure surges or spikes toavoid premature actuation of the indicator. Surge control delays theindicator response.
Thermal Lockout:The Thermal Lockout prevents premature signaling of a bypasscondition created by viscous fluid during cold start-ups. Normalindicator actuation capability is resumed once the operatingtemperature of the fluid reaches approximately 80 Deg. F.
Aluminum Electrical Housings
Plastic Electrical Housings
Note: The female plug (connector)is to be furnished by customer.
Note: The female plug (connector)is to be furnished by customer.
Dimensions:millimeters/(inches)
MEDIUM PRESSURE FILTERSSeries W331 3000 PSI
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
TM
93 www.westernfilter.com
TM
Positive sealingpoppet type bypassfor reliability andzero leakage
Wide range of indicator options
High collapse H-PakTM element available for usewith non-bypass applications
W34120 gpm (76 l/min)
FEATURES
The in line pressure filter W341 is ideal for chargepump and pressure line applications. The allaluminum housing has a rated fatigue value of 1500psi. Western Filter’s proprietary BetaPoreTM 5 layermedia is offered in a variety of PakTM designs. Fourmedia grades are offered down to 5.1µ(c). Elementcore collapse options range from 150 to 3000 PSI.The differential pressure indicator line is designed to work with a wide assortment of bypass valves.Thermal lockout and surge control are two keyfeatures incorporated in many of the valves.
The W341 Western Filter elements (W305 series) are compatible with petroleum oils, water glycol,oil/water, HWCF, synthetic fluids and are inter-changeable with Schroeder N and NN serieselements.
Technical Data:
Maximum Working Pressure 3000 psi (207 bar)
Fatigue Pressure Rating 1500 psi max (103 bar)
Typical Burst Pressure 7500 psi max (517 bar)
Temperature Range Operating Buna N -45ºF to + 225ºF
(-43ºC to + 107ºC)Viton -20ºF to + 250ºF
(-29ºC to + 121ºC)
Head and Bowl Material Aluminum
Weight (without elements)Assembly length 1 5.3 lbs. (2,4 kg.)Assembly length 2 5.7 lbs. (2,6 kg.)
ACCESSORIES
Seal Kit -Buna N
Seal Kit -E.P.R.
Seal Kit -Viton
P-238968-01
P-238968-02
P-238968-03
MEDIUM PRESSURE FILTERSSeries W341 3000 PSI
www.westernfilter.com 94
TM
Housing and Filter ElementFlow versus Pressure Drop150 SUS (32 cSt.) oil with specific gravity < 0.9
MEDIUM PRESSURE FILTERSSeries W341 3000 PSI
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
Viscosity Correction Formula∆P Element = psid from catalog X New Viscosity (SUS) X New Specific Gravity
150 0.90∆P Housing = psid from catalog X New Specific Gravity
0.90∆P Assembly = ∆P Element + ∆P Housing
0
4
8
12
0 4 8 12 16 20
GPM
PSID
Housing Only
2
4
6
8
10
12
PSID
GPM
00
2 4 6 8 10
C03
C05
E305 - 5”
C10
C20 4
8
12
16
PSID
GPM
00
2 4 6 8 10
E305 - 5”
H10
H03
H03
E305 - 8”
PSID
0
4
8
12
16
20
40GPM
8 12 16 20
H10
4
8
12
16
PSID
GPM
00
4 8 12 16 20
E305 - 8”
C03
C10
C05
C20
0
20
40
60
80
100
0 4 8GPM
PSID
Bypass Valve
12 16 20
95 www.westernfilter.com
TM
Table 1Filter Assembly / Service Element
CODE DESCRIPTION
W341 AssemblyE305 Element
Table 2Element Collapse Options
CODE DESCRIPTION
1 150 psid for housing w/bypass valve
4 3000 psid for housing withoutbypass valve (H-PakTM only)
Table 3Port Size Options
CODE PORT SIZE
A 1-1/16” - 12 UN (SAE 12)
Table 4Bypass Setting Options
CODE BYPASS SETTING
1 Non-bypass
4 50 psid
Table 5 (Primary)Upstream Pressure Gauge andSwitch Option
CODE ∆P INDICATOR STYLE & SETTING
D Electrical/visual 35 + 5 psidE Electrical/visual 100 + 12 psidG Electrical/visual 35 + 5 psid w/TLJ No indicatorL Visual indicator 35 + 5 psidM Visual indicator 35 + 5 psid
w/ TL and surgeN Electrical/visual 35 + 5 psid
w/12” 3 wire flying leadO Visual indicator 100 + 12 psidP Visual indicator 100 + 12 psid
w/ TL and surgeR Electrical switch 35 + 5 psidS Electrical/visual 100 + 12 psid
w/12” 3 wire flying leadT Electrical switch 100 + 12 psidW Electrical/visual 100 + 12 psid
w/TLY Electrical/visual 35 + 5 psid
w/TL and surgeZ Electrical/visual 100 + 12 psid
w/TL and surgeTL (thermal lockout)
Table 5 (Secondary)Receptacle Options
CODE ELECTRICAL STYLE
B Brad Harrison (5-pin)
H Hirschmann (4-pin)
N None, for visual ∆P
Table 6Seal Options
CODE MATERIAL
B Buna N
E E.P.R.
V Viton
Table 7Assembly & Element Length
CODE (LGTH) ELEMENT LENGTH
1 (7.28”) 5.25”
2 (10.03”) 8.00”
Table 8Element Code
CODE DESCRIPTION
C (Glass) 03, 05, 10, 20
H (Glass) 03, 10
Filter Assembly
Service Element
W341 1 A 4 M N B 1 C 10
E305 1 B 1 C 10
TABLE 1 TABLE 2 TABLE 3 TABLE 4 TABLE 5 TABLE 6 TABLE 7 TABLE 8 TABLE 9
TABLE 1 TABLE 2 TABLE 6 TABLE 7 TABLE 8 TABLE 9
Table 9Media Rating
CODE TARGET FLUID CLEANLINESS LEVEL
03 16/14/12 or better
05 18/16/14 or better
10 20/18/15 or better
20 22/19/16 or better
MEDIUM PRESSURE FILTERSSeries W341 3000 PSI
Note: Information concerning fluidcleanliness codes is on page 6, the Media Grade Selection Guide.
Metric Porting AvailableChange W341 to G341Porting code A becomes G-3/4” ISO 228 BSPP
Order model code W3411A4LNB2C10 for same day shipment.
www.westernfilter.com 96
TM
Inlet Port
54.9(2.16)
Outlet Port
63.5 (2.50) Min. RequiredFor Bowl and Element
Removal
Refer to Model Code(Assembly Length)
63.5(2.50)
IN OUT
.250-20UNC-2B ThdX 12.7 (.50) Min. Thd Depth2 Plcs
101.6(4.00)
19.1(.75)
76.2(3.00)
Visual- 38.1 Max. (1.50)Electrical- 49.53 Max. (1.95)
P Indicator
30.2(1.19)
24.4(.96)
Indicator Switch Schematic Wiring Diagram
Differential Indicators:Indicators are designed to actuate at approximately 80% of bypassvalve cracking pressure. It is recommended that an indicator with abypass setting of 100 psid is used with a non-bypass housing.
Surge Control:This optional feature is used to dampen pressure surges or spikes toavoid premature actuation of the indicator. Surge control delays theindicator response.
Thermal Lockout:The Thermal Lockout prevents premature signaling of a bypasscondition created by viscous fluid during cold start-ups. Normalindicator actuation capability is resumed once the operatingtemperature of the fluid reaches approximately 80 Deg. F.
Aluminum Electrical Housings
Plastic Electrical Housings
Note: The female plug (connector)is to be furnished by customer.
Note: The female plug (connector)is to be furnished by customer.
Dimensions:millimeters/(inches)
MEDIUM PRESSURE FILTERSSeries W341 3000 PSI
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
97 www.westernfilter.com
TM
Conforms to HF3specifications
Accepts corelesselements withremovable coretube
Wide range of indicator options
High collapse H-PakTM element available for usein non-bypass applications
W35050 gpm (189 l/min)
FEATURES
The W350 T-type ported series offers flows to 50gpm with 4 bypass options and conforms to the HF3automotive standard. Our standard bowl drain plughelps relieve system pressure during filter changeouts. Western Filter’s proprietary BetaPoreTM 5 layermedia is offered in a variety of PakTM designs. Fivedifferent media grades are offered down to 4.0µ(c)and Z-PakTM stainless steel media is optional. Element core collapse options range from 150 to3000 PSI. The differential pressure indicator line isdesigned to work with the wide assortment of bypassvalves. Thermal lockout and surge control are twokey features incorporated in many of the valves.
Western Filter elements are compatible withpetroleum oils, water glycol, oil/water, HWCF andsynthetic fluids.
Technical Data:
Maximum Working Pressure 3000 psi (210 bar)
Fatigue Pressure Rating 1500 psi max (100 bar)
Typical Burst Pressure 7500 psi max (517 bar)
Temperature Range Operating Buna N -45ºF to + 225ºF
(-43ºC to + 107ºC)Viton -20ºF to + 250ºF
(-29ºC to + 121ºC)
Head Material Cast Iron
Bowl Material Steel
Weight (without elements)Assembly length 1 13 lbs. (5,9 kg.)Assembly length 2 15 lbs. (6,8 kg.)
ACCESSORIES
Seal Kit -Buna N
Seal Kit -E.P.R.
Seal Kit -Viton
P-427466-1B
P-427466-2B
P-427466-3B
MEDIUM PRESSURE FILTERSSeries W350 3000 PSI
www.westernfilter.com 98
TM
Housing and Filter ElementFlow versus Pressure Drop150 SUS (32 cSt.) oil with specific gravity < 0.9
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
Viscosity Correction Formula∆P Element = psid from catalog X New Viscosity (SUS) X New Specific Gravity
150 0.90∆P Housing = psid from catalog X New Specific Gravity
0.90∆P Assembly = ∆P Element + ∆P Housing
100
GPM
20 30 40
PSID
0
1
2
3
4Housing Only
50 60
5
100
GPM
20 30 40
PSID
0
6
12
24
18
E602 - 4”
C/E03
C/E05C/E10
C20
100
GPM
20 30 40
PSID
0
10
20
40
30
E602 - 4”
H0350
H10
150
C/E03
C/E05
GPM
E602 - 8”
PSID
30 45 600
5
10
15
20
25
75
C/E10
C20
0
50
100
0 10 20 30 40 50
GPM
PSID
Bypass Valve
50 PSID cracking
90 PSID cracking
25 PSID cracking
150
H03
GPM
E602 - 8”
PSID
30 45 600
10
20
30
40
50
75
H10
MEDIUM PRESSURE FILTERSSeries W350 3000 PSI
99 www.westernfilter.com
TM
Table 1Filter Assembly / Service Element
CODE DESCRIPTION
W350 AssemblyE602 Element
Table 2Element Collapse Options
CODE DESCRIPTION
1 150 psid for housing w/bypass valve
4 3000 psi for housing w/o bypass valve (H-PakTM only)
Note: E-PakTM elements rated at 100psid collapse. If used in non-bypasshousing, a differential pressure indicator(70 psid max.) should be used.
Table 3Port Size Options
CODE PORT SIZE
A 1-1/16” - 12 UN (SAE 12)B 1-5/16” - 12 UN (SAE 16)
Table 4Bypass Setting Options
CODE BYPASS SETTING
1 Non-bypass3 25 psid
4 50 psid
6 90 psid
Note: Use option 1 code only with3000 psid collapse filter element.
Table 5 (Secondary)Receptacle Options
CODE ELECTRICAL STYLE
B Brad Harrison (5-pin)
H Hirschmann (4-pin)
N None, for visual ∆P
Table 7Assembly & Element Length
CODE (LGTH) ELEMENT LENGTH
1 (8.5”) 4.0”
2 (12.0”) 8.0”
Table 8Element Code
CODE DESCRIPTION
C (Glass) 01, 03, 05, 10, 20
E (Coreless) 01, 03, 05, 10
H (Glass) 03, 10
Z (Stainless steel)* 60,125,260
Filter Assembly
Service Element
W350 1 B 1 J N B 1 C 10
E602 1 B 1 C 10
TABLE 1 TABLE 2 TABLE 3 TABLE 4 TABLE 5 TABLE 6 TABLE 7 TABLE 8 TABLE 9
TABLE 1 TABLE 2 TABLE 6 TABLE 7 TABLE 8 TABLE 9
Table 5 (Primary)Indicator Style and SettingCODE ∆P INDICATOR STYLE & SETTING
A Visual indicator 70 psid w/TL & surgeB Electrical/visual 70 psid w/TL
and surgeC Electrical/visual 15 psidD Electrical/visual 35 psidE Electrical/visual 100 psidF Electrical/visual 15 psid w/TLG Electrical/visual 35 psid w/TLH Electrical/visual 15 psid
w/12” 3-wire flying leadI Visual indicator 70 psidJ ∆P indicator plugK Visual indicator 15 psidL Visual indicator 35 psidM Visual indicator 35 psid
w/ TL and surgeN Electrical/visual 35 psid
w/12” 3-wire flying leadO Visual indicator 100 psidP Visual indicator 100 psid
w/TL and surgeQ Electrical switch 15 psidR Electrical switch 35 psidS Electrical/visual 100 psid
w/12” 3-wire flying leadT Electrical switch 100 psidU Electrical switch 70 psidV Electrical/visual 70 psid w/TLW Electrical/visual 100 psid w/TLX Electrical/visual 15 psid
w/TL and surgeY Electrical/visual 35 psid
w/TL and surgeZ Electrical/visual 100 psid
w/TL and surgeTL (thermal lockout)
Table 9Media Rating
CODE TARGET FLUID CLEANLINESS LEVEL
01 Flushing only
03 16/14/12 or better
05 18/16/14 or better
10 20/18/15 or better
20 22/19/16 or better
MEDIUM PRESSURE FILTERSSeries W350 3000 PSI
*Available in code length 2 only
Note: Information concerning fluidcleanliness codes is on page 6, the Media Grade Selection Guide.
Metric Porting AvailableChange W350 to G350Porting code A becomes G-3/4” ISO 228 BSPPPorting code B becomes G-1” ISO 228 BSPP
Order model code W3501B4LNB2C10 for same day shipment.
Table 6Seal Options
CODE MATERIAL
B Buna N
E E.P.R.
V Viton
www.westernfilter.com 100
TM
P Indicator
Torque Bowl to20 N.M (15 Lbs-Ft) Max
Refer ToModel Code
(Assembly Length)
26.92(1.06)
Visual 54.10(2.13) Max
Elect. 65.53(2.58) Max 123.19
(4.85)
35.05(1.38)Max
34.80(1.37)
33.53(1.32)
28.45(1.12)
57.15(2.25)
31.75(1.25)
29.97(1.18)
63.50(2.50)
105.66(4.16)
29.36 Hex
(1-5/32)
Bleed Plug7/16-20UNFSAE-4 Straight Thd.
Inlet Port
Outlet Port
Mounting Holes 2 Plcs.5/16-18UNC-3B Thd.
SAE 6 Straight Thd.9/16-18UNFDrain Plug
50.80 min. (2.00) Req'd ForElement and Bowl Removal
INOUT
Indicator Switch Schematic Wiring Diagram
Differential Indicators:Indicators are designed to actuate at approximately 80% of bypassvalve cracking pressure. It is recommended that an indicator with abypass setting of 100 psid is used with a non-bypass housing.
Surge Control:This optional feature is used to dampen pressure surges or spikes toavoid premature actuation of the indicator. Surge control delays theindicator response.
Thermal Lockout:The Thermal Lockout prevents premature signaling of a bypasscondition created by viscous fluid during cold start-ups. Normalindicator actuation capability is resumed once the operatingtemperature of the fluid reaches approximately 80 Deg. F.
Aluminum Electrical Housings
Plastic Electrical Housings
Note: The female plug (connector)is to be furnished by customer.
Note: The female plug (connector)is to be furnished by customer.
Dimensions:millimeters/(inches)
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
MEDIUM PRESSURE FILTERSSeries W350 3000 PSI
101 www.westernfilter.com
TM
Conforms to HF2specifications
Positive sealing poppet bypass forreliability and zero leakage
Wide range of indicator options
Compact design for use with servo orproportionalvalve
Two bowl length options for designflexibility
W44020 gpm (91 l/min)
FEATURES
The W440 Series filter assembly can be manifoldmounted to the hydraulic system. The size andmaterial configuration are well suited for today’s demanding proportional and servo applications.Our standard bowl drain plug helps relieve systempressure during filter change outs. Western Filter’sproprietary BetaPoreTM 5 layer media is offered in a variety of PakTM designs. Three different media gradesare offered down to 5.1µ(c). Element core collapseoptions range from 150 to 3000 PSI. The differentialpressure indicator line is designed to work with thewide assortment of bypass valves. Thermal lockoutand surge control are two key features incorporated in many of the valves.
Western Filter elements are compatible with petroleumoils, water glycol, oil/water, HWCF and syntheticfluids.
Technical Data:
Maximum Working Pressure 4000 psi (276 bar)
Fatigue Pressure Rating 2450 psi max (169 bar)
Typical Burst Pressure 10000 psi max (690 bar)
Temperature Range Operating Buna N -45ºF to + 225ºF
(-43ºC to + 107ºC)Viton -20ºF to + 250ºF
(-29ºC to + 121ºC)
Head Material Cast Iron
Bowl Material Steel
Weight (without elements)Assembly length 1 8.4 lbs. (3,8 kg.)Assembly length 2 10.6 lbs. (4,8 kg.)
ACCESSORIES
Seal Kit -Buna N
Seal Kit -E.P.R.
Seal Kit -Viton
P-427466-22
P-427466-24
P-427466-23
MEDIUM PRESSURE FILTERSSeries W440 4000 PSI
www.westernfilter.com 102
TM
Housing and Filter ElementFlow versus Pressure Drop150 SUS (32 cSt.) oil with specific gravity < 0.9
Viscosity Correction Formula∆P Element = psid from catalog X New Viscosity (SUS) X New Specific Gravity
150 0.90∆P Housing = psid from catalog X New Specific Gravity
0.90∆P Assembly = ∆P Element + ∆P Housing
40
GPM
8 12 16
PSID
0
6
12
18
24Housing Only
20 24
30
GPM
6 9 12
PSID
0
4
8
18
12
E304 - 4”
C03
C05
C10
4
8
12
16
PSID
GPM
00
5 10 15 20 25
E304 - 8”
C10
C03
C05
30
GPM
6 9 12
PSID
0
10
20
40
30
E304 - 4”
H03
H10
60
GPM
12 18 24
PSID
0
10
20
40
30
E304 - 8”
H03
H10
0
30
60
0 6GPM
PSID
Bypass Valve
12 24
90 PSID cracking
50 PSID cracking
90
100
18
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
MEDIUM PRESSURE FILTERSSeries W440 4000 PSI
103 www.westernfilter.com
TM
Table 1Filter Assembly / Service Element
CODE DESCRIPTION
W440 AssemblyE304 Element
Table 2Element Collapse Options
CODE DESCRIPTION
1 150 psid for housing w/bypass valve
4 3000 psi for housing w/o bypass valve (H-PakTM only)
Table 3Port Size Options
CODE PORT SIZE
A 1-1/16” - 12 UN (SAE 12)S Manifold mounting
Table 4Bypass Setting Options
CODE BYPASS SETTING
1 Non-bypass
4 50 psid
6 90 psid
Note: Use option 1 code only with3000 psid collapse filter element.
Table 5 (Secondary)Receptacle Options
CODE ELECTRICAL STYLE
B Brad Harrison (5-pin)
H Hirschmann (4-pin)
N None, for visual ∆P
Table 7Assembly & Element Length
CODE (LGTH) ELEMENT LENGTH
1 (7.18”) 4.0”
2 (10.8”) 8.0”*
*HF2
Table 8Element Code
CODE DESCRIPTION
C (Glass) 03, 05, 10
H (Glass) 03, 10
Filter Assembly
Service Element
W440 1 S 1 J N B 1 C 10
E304 1 B 1 C 10
TABLE 1 TABLE 2 TABLE 3 TABLE 4 TABLE 5 TABLE 6 TABLE 7 TABLE 8 TABLE 9
TABLE 1 TABLE 2 TABLE 6 TABLE 7 TABLE 8 TABLE 9
Table 5 (Primary)Indicator Style and Setting
CODE ∆P INDICATOR STYLE & SETTING
A Visual indicator 70 psid w/TL & surgeB Electrical/visual 70 psid w/TL
and surgeD Electrical/visual 35 psidE Electrical/visual 100 psidG Electrical/visual 35 psid w/TLI Visual indicator 70 psidJ ∆P indicator plugL Visual indicator 35 psidM Visual indicator 35 psid
w/ TL and surgeN Electrical/visual 35 psid
w/12” 3-wire flying leadO Visual indicator 100 psidP Visual indicator 100 psid
w/TL and surgeR Electrical switch 35 psidS Electrical/visual 100 psid
w/12” 3-wire flying leadT Electrical switch 100 psidU Electrical switch 70 psidV Electrical/visual 70 psid w/TLW Electrical/visual 100 psid w/TLY Electrical/visual 35 psid
w/TL and surgeZ Electrical/visual 100 psid
w/TL and surge
TL (thermal lockout)
Table 9Media Rating
CODE TARGET FLUID CLEANLINESS LEVEL
03 16/14/12 or better
05 18/16/14 or better
10 20/18/15 or better
15 21/19/16 or better
20 22/19/16 or better
MEDIUM PRESSURE FILTERSSeries W440 4000 PSI
Note: Information concerning fluidcleanliness codes is on page 6, the Media Grade Selection Guide.
Metric Porting AvailableChange W440 to G440Porting code A becomes G-3/4” ISO 228 BSPP
Order model code W4401A4LNB2C10 for same day shipment.
Table 6Seal Options
CODE MATERIAL
B Buna N
E E.P.R.
V Viton
www.westernfilter.com 104
TM
Manifold Mounting
Bypass Valve (Subplate Only)
Inlet and Outlet Port O-rings (-117) supplied
6.73 (.265) Drill Hole Thru.
Mounting Holes, 2 Plcs.
Required For Element and
63.50(2.50) Min.
Drain Plug9/16-18UNF
Thread SAE-6 Straight
69.34 (2.73)
Inlet Port
101.60(4.00)
50.80(2.00)
81.28(3.20)
79.37(3.125)
P Indicator
25.40(1.00)
46.23(1.82)
17.02(.67)
31.75(1.25)
Drill 8.89 (.350) Hole Thru
25.40 (1.00) C'Bore 17.53 (.69) Hole
4 Plcs.
110.74(4.36)
44.45(1.75)
31.75 (1.25)
88.90(3.50)
104.65(4.12)
52.32(2.06)
15.75(.62)
Visual-86.61 Max. (3.41)
Elec.-98.04 Max. (3.86)
Visual-92.71 Max.(3.65)
Electrical-104.14 Max.(4.10)
Refer ToModel Code
(Assembly Length)
Torque Bowl To20 N.M(15 Lbs-Ft)Max
OutletPort
P Indicator
Bowl Removal.
2 Plcs
IN
OU
T
INLET
OU
TLET
Indicator Switch Schematic Wiring Diagram
Differential Indicators: Indicators are designed to actuate at approximately80% of bypass valve cracking pressure. It is recommended that an indicatorwith a bypass setting of 100 psid is used with a non-bypass housing.
Surge Control: This optional feature is used to dampen pressure surges orspikes to avoid premature actuation of the indicator. Surge control delays theindicator response.
Thermal Lockout: The Thermal Lockout prevents premature signaling of abypass condition created by viscous fluid during cold start-ups. Normalindicator actuation capability is resumed once the operating temperature of thefluid reaches approximately 80 Deg. F.
Aluminum Electrical Housings
Plastic Electrical Housings
Note: The female plug (connector)is to be furnished by customer.
Note: The female plug (connector)is to be furnished by customer.
Dimensions:millimeters/(inches)
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
MEDIUM PRESSURE FILTERSSeries W440 4000 PSI
105 www.westernfilter.com
Conforms to HF4 automotive specifications
High collapse H-PakTM
element available for use with non-bypassapplications
Accepts corelesselements with removable core tube
Four bowl length options for designflexibility
Wide range of visual or electrical/visual indicators
Diagnostic port inhead for easy system analysis
Drain port in base
W451150 gpm (568 l/min)
FEATURES
The W451 base mounted filter series provide for easy servicing featuring top cover access for elementchange out. The ductile iron filter head designprovides for SAE ports along with a space savingmanifold mounting pattern that is interchangablewith many competitive models. This product featuresthe popular HF4 automotive standard. WesternFilter’s proprietary BetaPoreTM 5 layer media isoffered in a variety of PakTM designs. Five mediagrades are offered down to 4.0µ(c) and Z-PakTM
stainless steel media is optional. Element corecollapse options range from 150 to 3000 PSI. Thedifferential pressure indicator line is designed to work with the wide assortment of bypass valves.Thermal lockout and surge control are two keyfeatures incorporated in many of the valves.
Western Filter elements are compatible withpetroleum oils, water glycol, oil/water, HWCF andsynthetic fluids.
Technical Data:
Maximum Working Pressure 4500 psi (310 bar)
Fatigue Pressure Rating 3000 psi max (207 bar)
Typical Burst Pressure 13,500 psi max (931 bar)
Temperature Range Operating -45ºF to + 250ºF(-43ºC to + 121ºC)
Head and Cap Material Cast Iron
Bowl and Cap Material Steel
Weight (without elements)Assembly length 3 57.7 lbs. (26,2 kg.)Assembly length 6 78.1 lbs. (35,4 kg.)Assembly length 7 98.5 lbs. (44,7 kg.)Assembly length 8 119.9 lbs. (54,4 kg.)
ACCESSORIES
Seal Kit -Buna N
Seal Kit -E.P.R.
Seal Kit -Viton
Element Connector
Core Tube Assembly-Code Length-3
Core Tube Assembly-Code Length-6
Core Tube Assembly-Code Length-7
Core Tube Assembly-Code Length-8
P-427466-46
P-427466-47
P-427466-48
P-227567-01
PW451R3BN
PW451R6BN
PW451R7BN
PW451R8BN
MEDIUM PRESSURE FILTERSSeries W451 4500 PSI
TM
www.westernfilter.com 106
Housing and Filter ElementFlow versus Pressure Drop150 SUS (32 cSt.) oil with specific gravity < 0.9
MEDIUM PRESSURE FILTERSSeries W451 4500 PSI
Viscosity Correction Formula∆P Element = psid from catalog X New Viscosity (SUS) X New Specific Gravity
150 0.90∆P Housing = psid from catalog X New Specific Gravity
0.90∆P Assembly = ∆P Element + ∆P Housing
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
0
3
6
9
0 35 70 105 150
GPM
PSID
Housing OnlySAE 24
1-1/2” Flg. Mt.
4
8
12
16
PSID
GPM
00
10 20 30 40 50
E405 - 9”
C/E03
C/E10C/E05
C/E01
C205
10
15
20
PSID
GPM
00
10 20 30 40 50
E405 - 9”
H10
H03
4
8
12
16
PSID
GPM
00
20 40 60 80 100
H03
H10
E405 - 18”
4
8
12
16
PSID
GPM
00
20 40 60 80 100
C/E03
C/E10C/E05
C/E01
C20
E405 - 18”
4
8
12
16
PSID
GPM
00
25 50 75 100 125
H03
H10
E405 - 27”
150
4
8
12
16
PSID
GPM
00
25 50 75 100 125
H03
H10
E405 - 36”
150
3
6
9
12
15
PSID
GPM
00
25 50 75 100 125
E405 - 27”
150
C/E03
C/E10C/E05
C/E01
C20
3
6
9
12
15
PSID
GPM
00
25 50 75 100 125
E405 - 36”
150
C/E03
C/E10C/E05
C/E01
C20
0
50
100
150
0 50 100 150
GPM
PSID 90 PSID cracking
50 PSID cracking
Bypass Valve
TM
107 www.westernfilter.com
Table 1Filter Assembly / Service Element
CODE DESCRIPTION
W451 AssemblyE405 Element
Table 2Element Collapse Options
CODE DESCRIPTION
1 150 psid for housing w/bypass valve
4 3000 psi for housing w/o bypass valve (H-PakTM only)
Note: E-PakTM elements rated at 100psid collapse. If used in non-bypasshousing, a differential pressure indicator(70 psid max.) should be used.
Table 3Port Size Options
CODE PORT SIZE
D 1-7/8” - 12 UN (SAE 24)
E 1-1/2” 4 Bolt Flange Code 61
R 1-1/2” 4 Bolt Flange Code 62
S Manifold Mounting
U 1-1/2” NPT
Table 4Bypass Setting Options
CODE BYPASS SETTING
1 Non-bypass
4 50 psid
6 90 psid
Note: Use option 1 code only with3000 psid collapse filter element.
Table 5 (Primary)Indicator Style and Setting
CODE ∆P INDICATOR STYLE & SETTING
A Visual indicator 70 psid w/TL and surge
B Electrical/visual 70 psid w/TL and surge
D Electrical/visual 35 psidE Electrical/visual 100 psidG Electrical/visual 35 psid w/TLI Visual indicator 70 psidJ ∆P indicator plugL Visual indicator 35 psidM Visual indicator 35 psid
w/ TL and surgeN Electrical/visual 35 psid
w/12” 3-wire flying leadO Visual indicator 100 psidP Visual indicator 100 psid
w/TL and surgeR Electrical switch 35 psidS Electrical/visual 100 psid
w/12” 3-wire flying leadT Electrical switch 100 psidU Electrical switch 70 psidV Electrical/visual 70 psid w/TLW Electrical/visual 100 psid w/TLY Electrical/visual 35 psid
w/TL and surgeZ Electrical/visual 100 psid
w/TL and surge
TL (thermal lockout)
Table 5 (Secondary)Receptacle Options
CODE ELECTRICAL STYLE
B Brad Harrison (5-pin)
H Hirschmann (4-pin)
N None, for visual ∆P
Table 6Seal Options
CODE MATERIAL
B Buna N
E E.P.R.
V Viton
Table 7Assembly & Element Length
CODE (LGTH) ELEMENT LENGTH
3 (15.31”) 9.0”
6 (24.70”) 18.0”*
7 (34.00”) 27.0”
8 (37.56”) 36.0”
Table 8Element Code
CODE DESCRIPTION
C (Glass) 01, 03, 05, 10, 20
E (Coreless) 01, 03, 05, 10
H (Glass) 03, 10
Table 9Media Rating
CODE TARGET FLUID CLEANLINESS LEVEL
01 Flushing only
03 16/14/12 or better
05 18/16/14 or better
10 20/18/15 or better
20 22/19/16 or better
Filter Assembly
Service Element
W451 1 D 4 J N B 3 C 10
E405 1 B 3 C 10
TABLE 1 TABLE 2 TABLE 3 TABLE 4 TABLE 5 TABLE 6 TABLE 7 TABLE 8 TABLE 9
TABLE 1 TABLE 2 TABLE 6 TABLE 7 TABLE 8 TABLE 9
MEDIUM PRESSURE FILTERSSeries W451 4500 PSI
Note: Information concerning fluidcleanliness codes is on page 6, the Media Grade Selection Guide.
Metric Porting AvailableChange W451 to G451Porting code D becomes 1-1/2” ISO 228 BSPP Porting code E becomes 1-1/2” SAE 4 bolt flange with M12 mounting threads Porting code R becomes 1-1/2” SAE 4 bolt flange with M16 mounting threads
TM
Note: Code lengths 6, 7 & 8 media elementsmay be stacked using connector part #P-227567-01 and code length 3 elements.
www.westernfilter.com 108
OU
TIN
Manifold Mounting Inlet and Outlet PortO-rings(-130) supplied.
Fill Plug7/16-20UNFSAE-4 Straight Thread
139.70(5.50)
Drain Plug9/16-18UNF
SAE-6 Straight Thread
Inlet Port (Outlet PortOn Opposite Side)
80.77(3.18)
22.35(.88)
161.80(6.37)
57.15(2.25)
114.30(4.50)
38.10 (1.50) Flow Port Dia.C'Bore 45.97 (1.81) Dia.
Inlet and Outlet Port
146.05(5.75)
127.00(5.00)
63.50(2.50)
50.80(2.00)
7.87(.31)
38.10(1.50) Hex
19.05(.75)
Refer ToModel Code
(Assembly Length)35.81(1.41)
Torque Cover To Cylinder
73 N.M (55 Lbs-Ft)
P Indicator
194.06 Max(7.64)
205.49 Max(8.09)
14.30(.563)
Thru 4 plcs
Min Element RemovalClearance
Refer To Model Code(Element Length)
8.64(.34)
For Electrical P Indicator
For Visual P Indicator
Indicator Switch Schematic Wiring Diagram
Differential Indicators: Indicators are designed to actuate at approximately80% of bypass valve cracking pressure. It is recommended that an indicator witha bypass setting of 100 psid is used with a non-bypass housing.
Surge Control: This optional feature is used to dampen pressure surges orspikes to avoid premature actuation of the indicator. Surge control delays theindicator response.
Thermal Lockout: The Thermal Lockout prevents premature signaling of abypass condition created by viscous fluid during cold start-ups. Normal indicatoractuation capability is resumed once the operating temperature of the fluidreaches approximately 80 Deg. F.
Aluminum Electrical Housings
Plastic Electrical Housings
Note: The female plug (connector)is to be furnished by customer.
Note: The female plug (connector)is to be furnished by customer.
Dimensions:millimeters/(inches)
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
MEDIUM PRESSURE FILTERSSeries W451 4500 PSI
TM
TM
109 www.westernfilter.com
Conforms to HF4 automotive specifications
Four bowl length optionsfor design flexibility
Accepts corelesselements with removable core tube
High collapse H-PakTM
element available for use with non-bypassapplications
Wide range of visual or electrical/visual indicators
Diagnostic port inhead for easy system analysis
Drain port in base
W551FEATURES
The W551 base mounted filter series provide for easyservicing featuring top cover access for elementchange out. Similar to other HF4 series, the W551exceeds the operating, fatigue, and burst pressure ofmost competitive models and makes it the idealchoice for higher cyclic and heavy-duty applicationswithout the higher cost of going to a full 6,000 PSIrated filter. This product features the popular HF4automotive standard. Western Filter’s proprietaryBetaPoreTM 5 layer media is offered in a variety ofPakTM designs. Five media grades are offered down to4.0µ(c) and Z-PakTM stainless steel media is optional.Element core collapse options range from 150 to3000 PSI. The differential pressure indicator line isdesigned to work with the wide assortment of bypassvalves. Thermal lockout and surge control are twokey features incorporated in many of the indicators.
Western Filter elements are compatible withpetroleum oils, water glycol, oil/water, HWCF andsynthetic fluids.
Technical Data:
Maximum Working Pressure 5250 psi
Fatigue Pressure Rating 3750 psi
Typical Burst Pressure 15750 psi
Temperature Range Operating -45ºF to + 250ºF(-43ºC to + 121ºC)
Head and Cap Material Cast Iron
Bowl and Cap Material Steel
Weight (without elements)Assembly length 3 71 lbs. (32,2 kg.)Assembly length 6 91.45 lbs. (41,6 kg.)Assembly length 7 111.8 lbs. (50,7 kg.)Assembly length 8 132.4 lbs. (60,1 kg.)
ACCESSORIES
Seal Kit -Buna N
Seal Kit -E.P.R.
Seal Kit -Viton
Element Connector
Core Tube Assembly-Code Length-3
Core Tube Assembly-Code Length-6
Core Tube Assembly-Code Length-7
Core Tube Assembly-Code Length-8
P-239935-01
P-239935-02
P-239935-03
P-227567-01
PW451R3BN
PW451R6BN
PW451R7BN
PW451R8BN
MEDIUM PRESSURE FILTERSSeries W551 4500 PSI
TM
www.westernfilter.com 110
MEDIUM PRESSURE FILTERSSeries W551 4500 PSI
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
Housing and Filter ElementFlow versus Pressure Drop150 SUS (32 cSt.) oil with specific gravity < 0.9
Viscosity Correction Formula∆P Element = psid from catalog X New Viscosity (SUS) X New Specific Gravity
150 0.90∆P Housing = psid from catalog X New Specific Gravity
0.90∆P Assembly = ∆P Element + ∆P Housing0
3
6
9
0 35 70 105 150
GPM
PSID
Housing OnlySAE 24
1-1/2” Flg. Mt.
4
8
12
16
PSID
GPM
00
10 20 30 40 50
E405 - 9”
C/E03
C/E10C/E05
C/E01
C205
10
15
20
PSID
GPM
00
10 20 30 40 50
E405 - 9”
H10
H03
4
8
12
16
PSID
GPM
00
20 40 60 80 100
H03
H10
E405 - 18”
4
8
12
16
PSID
GPM
00
20 40 60 80 100
C/E03
C/E10C/E05
C/E01
C20
E405 - 18”
4
8
12
16
PSID
GPM
00
25 50 75 100 125
H03
H10
E405 - 27”
150
4
8
12
16
PSID
GPM
00
25 50 75 100 125
H03
H10
E405 - 36”
150
3
6
9
12
15
PSID
GPM
00
25 50 75 100 125
E405 - 27”
150
C/E03
C/E10C/E05
C/E01
C20
3
6
9
12
15
PSID
GPM
00
25 50 75 100 125
E405 - 36”
150
C/E03
C/E10C/E05
C/E01
C20
0
50
100
150
0 50 100 150
GPM
PSID 90 PSID cracking
50 PSID cracking
Bypass Valve
TM
Note: Information concerning fluidcleanliness codes is on page 6, the Media Grade Selection Guide.
Metric Porting AvailableChange W451 to G451Porting code D becomes 1-1/2” ISO 228 BSPPPorting code E becomes 1-1/2” SAE 4 bolt flange with M12 mounting threads Porting code R becomes 1-1/2” SAE 4 bolt flange with M16 mounting threads
111 www.westernfilter.com
Table 1Filter Assembly / Service Element
CODE DESCRIPTION
W551 AssemblyE405 Element
Table 2Element Collapse Options
CODE DESCRIPTION
1 150 psid for housing w/bypass valve
4 3000 psi for housing w/o bypass valve (H-PakTM only)
Note: E-PakTM elements rated at 100psid collapse. If used in non-bypasshousing, a differential pressure indicator(70 psid max.) should be used.
Table 3Port Size Options
CODE PORT SIZE
D 1-7/8” - 12 UN (SAE 24)
R 1-1/2” 4 Bolt Flange Code 62
S Manifold Mounting
U 1-1/2” NPT
Table 4Bypass Setting Options
CODE BYPASS SETTING
1 Non-bypass
4 50 psid
6 90 psid
Note: Use option 1 code only with3000 psid collapse filter element.
Table 5 (Primary)Indicator Style and Setting
CODE ∆P INDICATOR STYLE & SETTING
A Visual indicator 70 psid w/TL and surge
B Electrical/visual 70 psid w/TL and surge
D Electrical/visual 35 psidE Electrical/visual 100 psidG Electrical/visual 35 psid w/TLI Visual indicator 70 psidJ ∆P indicator plugL Visual indicator 35 psidM Visual indicator 35 psid
w/ TL and surgeN Electrical/visual 35 psid
w/12” 3-wire flying leadO Visual indicator 100 psidP Visual indicator 100 psid
w/TL and surgeR Electrical switch 35 psidS Electrical/visual 100 psid
w/12” 3-wire flying leadT Electrical switch 100 psidU Electrical switch 70 psidV Electrical/visual 70 psid w/TLW Electrical/visual 100 psid w/TLY Electrical/visual 35 psid
w/TL and surgeZ Electrical/visual 100 psid
w/TL and surge
TL (thermal lockout)
Table 5 (Secondary)Receptacle Options
CODE ELECTRICAL STYLE
B Brad Harrison (5-pin)
H Hirschmann (4-pin)
N None, for visual ∆P
Table 6Seal Options
CODE MATERIAL
B Buna N
E E.P.R.
V Viton
Table 7Assembly & Element Length
CODE (LGTH) ELEMENT LENGTH
3 (15.31”) 9.0”
6 (24.70”) 18.0”*
7 (34.00”) 27.0”
8 (43.39”) 36.0”
Table 8Element Code
CODE DESCRIPTION
C (Glass) 01, 03, 05, 10, 20
E (Coreless) 01, 03, 05, 10
H (Glass) 03, 10
Table 9Media Rating
CODE TARGET FLUID CLEANLINESS LEVEL
01 Flushing only
03 16/14/12 or better
05 18/16/14 or better
10 20/18/15 or better
20 22/19/16 or better
Filter Assembly
Service Element
W551 1 D 4 J N B 3 C 10
E405 1 B 3 C 10
TABLE 1 TABLE 2 TABLE 3 TABLE 4 TABLE 5 TABLE 6 TABLE 7 TABLE 8 TABLE 9
TABLE 1 TABLE 2 TABLE 6 TABLE 7 TABLE 8 TABLE 9
MEDIUM PRESSURE FILTERSSeries W551 4500 PSI
Order model code W5511E4LNB3C10 orW5511E4LNB6C10for same day shipment.
Note: Code lengths 6, 7 & 9 media elementsmay be stacked using connector part #P-227567-9 and code length 3 elements.
TM
www.westernfilter.com 112
Indicator Switch Schematic Wiring Diagram
Differential Indicators: Indicators are designed to actuate at approximately80% of bypass valve cracking pressure. It is recommended that an indicator witha bypass setting of 100 psid is used with a non-bypass housing.
Surge Control: This optional feature is used to dampen pressure surges orspikes to avoid premature actuation of the indicator. Surge control delays theindicator response.
Thermal Lockout: The Thermal Lockout prevents premature signaling of abypass condition created by viscous fluid during cold start-ups. Normal indicatoractuation capability is resumed once the operating temperature of the fluidreaches approximately 80 Deg. F.
Aluminum Electrical Housings
Plastic Electrical Housings
Note: The female plug (connector)is to be furnished by customer.
Note: The female plug (connector)is to be furnished by customer.
Dimensions:millimeters/(inches)
MED
IUM
PRES
SUR
ESP
IN-O
NFI
LTER
SLO
WPR
ESSU
RE
SPIN
-ON
FILT
ERS
IN-T
AN
KFI
LTER
SLO
WPR
ESSU
REFI
LTER
SM
EDIU
MPR
ESSU
REFI
LTER
SH
IGH
PRES
SURE
FILT
ERS
MEDIUM PRESSURE FILTERSSeries W551 4500 PSI
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