Baldwin - Hydraulic Filter Bases | Product Series

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Baldwin - Hydraulic Filter Bases

Baldwin - Hydraulic Filter Bases

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Baldwin hydraulic filter bases are used to add a filter to an unfiltered system, or to transform a canister system to a spin-on filter style.

Technical Specifications

  • Brand: Baldwin
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Full Product Description

Baldwin hydraulic filter bases are used to add a filter to an unfiltered system, or to transform a canister system to a spin-on filter style. Baldwin designed a two-piece base featuring die cast aluminum construction with an integral threaded steel stud, which is stronger than aluminum studs used by the leading competitor. Baldwin hydraulic bases are available with or without 25 and 50 psi integral by-pass valves and feature the unique capability to accommodate indicators on either side to facilitate mounting versatility.

Related Documents

Literature and Reference Materials
Baldwin--Baldwin Filter Size Charts
Baldwin--Hydraulic Bases Guide--Form 455
Baldwin--Product Guide Catalog--Form 562
Baldwin--Product Investigation Form--Form 387
Baldwin--Warranty Certificate
Product Demos & Tutorials
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Products Product Type Outside Diameter Length Inlet Connection Size Outlet Connection Size For Use With Contains Notes Compatible Competitor Part Number
OB8732 Hydraulic Filter Base with Indicator 3 31/32 (100.8) 4 (101.6) 1 In. NPT 1 In. NPT 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports; Visual Indicator Mounted on Left Side OBSOLETE. Availability Limited to Dealer Stock. Donaldson P166416
OB8741 Hydraulic Filter Base 3 31/32 (100.8) 4 (101.6) 1 In. SAE O-Ring 1 In. SAE O-Ring 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports with Plugs Donaldson P163681
OB8742 Hydraulic Filter Base with Indicator 3 31/32 (100.8) 4 (101.6) 1 In. SAE O-Ring 1 In. SAE O-Ring 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports; Visual Indicator Mounted on Left Side OBSOLETE. Availability Limited to Dealer Stock. Donaldson P166417
OB8744 Hydraulic Filter Base 3 3/8 (85.7) 4 (101.6) 1 In. SAE O-Ring 1 In. SAE O-Ring 4 Inch O.D. PureForce Filters 50 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports with Plugs Donaldson P167201
OB8745 Hydraulic Filter Base with Indicator 3 31/32 (100.8) 4 (101.6) 1 In. SAE O-Ring 1 In. SAE O-Ring 4 Inch O.D. PureForce Filters 50 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports; Visual Indicator Mounted on Left Side
OB8771 Hydraulic Filter Base 4 1/2 (114.3) 5 (127.0) 1 1/4 In. NPT 1 1/4 In. NPT 5 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/4-12; [2] Indicator Ports with Plugs
OB8772 Hydraulic Filter Base 4 1/2 (114.3) 5 (127.0) 1 1/4 In. NPT 1 1/4 In. NPT 5 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/4-12; [2] Indicator Ports; Visual Indicator Mounted on Left Side
OB8743 Hydraulic Filter Base with Indicator 3 31/32 (100.8) 4 (101.6) 1 In. SAE O-Ring 1 In. SAE O-Ring 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports; Single Post Indicator Mounted on Left Side OBSOLETE. Availability Limited to Dealer Stock.; Normally Open Donaldson P165537
OB8711 Hydraulic Filter Base 3 31/32 (100.8) 4 (101.6) 3/4 In. NPT 3/4 In. NPT 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports with Plugs OBSOLETE. Availability Limited to Dealer Stock. Donaldson P169317
OB8712 Hydraulic Filter Base with Indicator 3 31/32 (100.8) 4 (101.6) 3/4 In. NPT 3/4 In. NPT 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports; Visual Indicator Mounted on Left Side OBSOLETE. Availability Limited to Dealer Stock. Donaldson P169310
OB8720 Hydraulic Filter Base 3 31/32 (100.8) 4 (101.6) 3/4 In. SAE O-Ring 3/4 In. SAE O-Ring 4 Inch O.D. PureForce Filters Threaded Stud: 1 3/8-12 Donaldson P165434
OB8721 Hydraulic Filter Base 3 31/32 (100.8) 4 (101.6) 3/4 In. SAE O-Ring 3/4 In. SAE O-Ring 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports with Plugs OBSOLETE. Availability Limited to Dealer Stock. Donaldson P167473
OB8722 Hydraulic Filter Base with Indicator 3 31/32 (100.8) 4 (101.6) 3/4 In. SAE O-Ring 3/4 In. SAE O-Ring 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports; Visual Indicator Mounted on Left Side OBSOLETE. Availability Limited to Dealer Stock. Donaldson P166387
OB8724 Hydraulic Filter Base 3 3/8 (85.7) 4 (101.6) 3/4 In. SAE O-Ring 3/4 In. SAE O-Ring 4 Inch O.D. PureForce Filters 50 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports
OB8731 Hydraulic Filter Base 3 31/32 (100.8) 4 (101.6) 1 In. NPT 1 In. NPT 4 Inch O.D. PureForce Filters 25 PSID By-Pass Valve; Threaded Stud: 1 3/8-12; [2] Indicator Ports with Plugs OBSOLETE. Availability Limited to Dealer Stock.
OB1313 Hydraulic Filter Base 5 1/2 (139.7) 5 5/16 (134.9) 1 1/4-11 1/2 NPT 1 1/4-11 1/2 NPT BT287, BT287-10, BT287-3, BT351, BT387, BT387-10, BT388, BT388-10, BT389, BT389-10, BT8368, BT8423 3 PSID By-Pass valve; Threaded Stud: 1 1/2-16; Threaded Stud: 1 1/4-11 BSP This base requires the use of the G286-C gasket (furnished with BT387, BT387-10, BT388, BT388-10 and BT8424-MPG, optional on others) for installation of the filters listed below.; For use on the suction side.
OB1314 Hydraulic Filter Base 5 1/2 (139.7) 5 5/16 (134.9) 1 1/4 In. NPT 1 1/4 In. NPT BT287, BT287-10, BT287-3, BT351, BT387, BT387-10, BT388, BT388-10, BT389, BT389-10, B7011, BT8307-MPG, BT8308-MPG, BT8308-MPG KIT, BT8309-MPG, BT8310-MPG, BT8368, BT8421-MPG, BT8422-MPG, BT8423 25 PSID By-Pass Valve; Threaded Stud: 1 1/2-16; Threaded Stud: 1 1/4-11 BSP This base requires the use of the G286-C gasket (furnished with BT387, BT387-10, BT388 and BT388-10, optional on others) for installation of the filters listed below.; For use on the return side.
OB1315 Hydraulic Filter Base 5 13/32 (137.30 5 5/16 (134.9) 1 5/8-12 In. SAE 1 5/8-12 In. SAE BT287, BT287-10, BT287-3, BT351, BT387, BT387-10, BT388, BT388-10, BT389, BT389-10, B7011, BT8368, BT8423 5 PSID By-Pass Valve; Threaded Stud: 1 1/2-16; Threaded Stud: 1 1/4-11 BSP This base requires the use of the G286-C gasket (furnished with BT387, BT387-10, BT388, BT388-10 and BT8424-MPG, optional on others) for installation of the filters listed below.; For use on the suction side.
OB1316 Hydraulic Filter Base 5 13/32 (137.30 5 5/16 (134.9) 1 5/8-12 In. SAE 1 5/8-12 In. SAE BT287, BT287-10, BT287-3, BT351, BT387, BT387-10, BT388, BT388-10, BT389, BT389-10, B7011, BT8307-MPG, BT8308-MPG, BT8308-MPG KIT, BT8309-MPG, BT8310-MPG, BT8368, BT8421-MPG, BT8422-MPG, BT8423, BT842 25 PSID By-Pass Valve; Threaded Stud: 1 1/2-16; Threaded Stud: 1 1/4-11 BSP This base requires the use of the G286-C gasket (furnished with BT387, BT387-10, BT388, BT388-10 and BT8424-MPG, optional on others) for installation of the filters listed below.; For use on the return side.
OB1317 Hydraulic Filter Base 3 3/4 (95.3) 3 (76.2) 3/4-14 NPT 3/4-14 NPT BT839, BT839-10, BT8420 5 PSID By-Pass Valve; Threaded Stud: 1-12 Has [2] 1/8 In. NPT indicator ports that are designed to accept the VG1325 vacuum gauge.; Top-mount bracket holes can be used for easy installation.; For use on suction side.
OB1318 Hydraulic Filter Base 3 (76.2) 3 3/4 (95.3) 3/4 In. NPT 3/4 In. NPT BT839, BT839-10, BT8420, BT8428-MPG, BT8443 25 PSID By-Pass Valve; Threaded Stud: 1-12 Has [2] 1/8 In. NPT indicator ports that are designed to accept the PG1326 pressure gauge.; Top-mount bracket holes can be used for easy installation. For use on return side.
OB1319 Hydraulic Filter Base 3 3/4 (95.3) 3 (76.2) 1 1/16-12 ORB 1 1/16-12 ORB BT839, BT839-10, BT8420 5 PSID By-Pass Valve; Threaded Stud: 1-12 Has [2] 1/8 In. NPT indicator ports that are designed to accept the VG1325 vacuum gauge.; Top-mount bracket holes can be used for easy installation.; For use on return side.
OB1320 Hydraulic Filter Base 3 3/4 (95.3) 3 (76.2) 1 1/16-12 ORB 1 1/16-12 ORB BT839, BT839-10, BT8420, BT8428-MPG, BT8443 25 PSID By-Pass Valve; Threaded Stud: 1-12 Has [2] 1/8 In. NPT indicator ports that are designed to accept the PG1326 pressure gauge.; Top-mount bracket holes can be used for easy installation. For use on return side.
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