Quick Coupling Division 8145 Lewis Road • Minneapolis, MN 55427 www.parker.com/quickcouplings B-57 Hydraulic Quick Couplings B Hydraulics High Flow Couplings WB Series Body Part Thread Overall Exposed Hex Largest Size (in.) Number Size Length Length Size Diameter D E F G 1/2 WB-502-8FP 1/2-14 NPTF 2.35 1.26 1.12 1.62 Features • Push-to-Connect allows for quick, easy connections by eliminating the need to retract the sleeve to couple • Locking collets in the coupler maintain 360 degree contact with nipple to evenly distribute load and reduce brinelling. • Zinc plating with yellow chromate finish resists corrosion. • Straight through design allows for excellent flow with low pressure drop. • Sleeve Lock design prevents accidental disconnects. • Two knurled bands on the sleeve provide good gripping for operation of sleeve to disconnect. • Stainless steel collets resist corrosion and provide smooth latching action. • Polymyte backup washer ensures sealing integrity at high pressure. • Heat treated components to reduce wear and brinelling. • Sleeve guard prevents accidental disconnect and protects the opening between the sleeve and the body from the environment. Pressure Drop in PSID Flow in USGPM 10 1 10 100 1 10 100 WB Series (1/2") Test Fluid: Oil - SUS 200 1/2" 100 Applications Parker’s WB Series couplings are designed for equipment used for cleaning applications such as paint removal or mill scale. The 10,000 psi operating pressure of the WB series makes it ideal for applications that require a high pressure coupling with minimal pressure drop. Performance Materials Of Construction Body: Steel Finish: Zinc plated with yellow chromate finish Valve: None–Straight through Seal: Buna-N (Nitrile) with backup washer (coupler only) A B C D E F G Coupler Nipple Specifications Body Size (in.) 1/2 Max Operating Pressure (PSI) 10,000 Rated Flow (GPM) 45 Temperature Range (std seals) -40° to +250°F Body Part Thread Overall Hex Largest Size (in.) Number Size Length Size Diameter A B C 1/2 WB-501-8FP 1/2-14 NPTF 2.20 1.25 1.62

High Flow Couplings Hydraulic Quick Couplings WB … Coupling Division 8145 Lewis Road • Minneapolis, MN 55427 B-57 Hydraulic Quick Couplings B Hydraulics High Flow Couplings WB

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Page 1: High Flow Couplings Hydraulic Quick Couplings WB … Coupling Division 8145 Lewis Road • Minneapolis, MN 55427 B-57 Hydraulic Quick Couplings B Hydraulics High Flow Couplings WB

Quick Coupling Division8145 Lewis Road • Minneapolis, MN 55427

www.parker.com/quickcouplingsB-57

Hydraulic Quick Couplings

ydra

ulic

High Flow CouplingsWB Series

Body Part Thread Overall Exposed Hex LargestSize (in.) Number Size Length Length Size Diameter

D E F G

1/2 WB-502-8FP 1/2-14 NPTF 2.35 1.26 1.12 1.62

Features

• Push-to-Connect allows for quick, easy connections byeliminating the need to retract the sleeve to couple

• Locking collets in the coupler maintain 360 degree contactwith nipple to evenly distribute load and reduce brinelling.

• Zinc plating with yellow chromate finish resists corrosion.

• Straight through design allows for excellent flow with lowpressure drop.

• Sleeve Lock design prevents accidental disconnects.

• Two knurled bands on the sleeve provide good gripping foroperation of sleeve to disconnect.

• Stainless steel collets resist corrosion and provide smoothlatching action.

• Polymyte backup washer ensures sealing integrity at highpressure.

• Heat treated components to reduce wear and brinelling.

• Sleeve guard prevents accidental disconnect and protectsthe opening between the sleeve and the body from theenvironment.

Pres

sure

Dro

p in

PSI

Flow in USGPM10

100

WB Series (1/2")Test Fluid: Oil - SUS 200

1/2"

100

Applications

Parker’s WB Series couplings are designed for equipmentused for cleaning applications such as paint removal or millscale. The 10,000 psi operating pressure of the WB seriesmakes it ideal for applications that require a high pressurecoupling with minimal pressure drop.

PerformanceMaterials Of Construction

Body: Steel

Finish: Zinc plated with yellow chromate finish

Valve: None–Straight through

Seal: Buna-N (Nitrile) with backup washer (coupler only)

Coupler

Nipple

Specifications

Body Size (in.) 1/2

Max Operating Pressure (PSI) 10,000

Rated Flow (GPM) 45

Temperature Range (std seals) -40° to +250°F