JW WINCOPressure-Relief Breather Vents

JW WINCO Breather Valve: 1/2", SAE, Low Design w/o Breather Cap Design, 20 mbar Min. Opening

The JW WINCO Breather Valve (SKU 912HV1) is a 1/2" SAE pressure-relief breather vent with a low design without breather cap, constructed in brass. It features a minimum opening pressure of 20 mbar (MPN 883-G1/2-20-A-MS).

SKU 3G-OTH-591699

Brand

JW WINCO

Item

Breather Valve: 1/2", SAE, Low Design w/o Breather Cap Design, 20 mbar Min. Opening

Technical Specifications

JW WINCO

Manufacturer Part Number

883-G1/2-20-A-MS 

Type

SAE, Low Design w/o Breather Cap Design, 20 mbar Min. Opening, Brass 

Thread Size

1/2" 

Thread Type

SAE

Body Material

Brass 

Opening Pressure - Minimum

20 mbar 

View Full Spec Sheet

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a JW WINCO breather valve used for?

A JW WINCO breather valve relieves excess pressure in hydraulic or pneumatic systems, preventing seal damage or component failure. It is commonly used in industrial fluid power applications where controlled venting at a low opening pressure, such as 20 mbar, is required.

What are the specifications of the JW WINCO 883-G1/2-20-A-MS breather valve?

The JW WINCO 883-G1/2-20-A-MS is a 1/2" SAE low-design breather valve without cap, made of brass. Its minimum opening pressure is 20 mbar. This pressure-relief vent is suitable for systems needing a compact, corrosion-resistant vent with a precise cracking threshold.

Where to buy a JW WINCO breather valve worldwide?

3G Electric supplies the JW WINCO 883-G1/2-20-A-MS breather valve to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact us for availability and lead time on this brass SAE pressure-relief vent.

How to install a JW WINCO breather valve?

Install the JW WINCO breather valve by threading the 1/2" SAE connection into a compatible port. Use a sealant appropriate for brass fittings to prevent leaks. Ensure the vent is oriented to allow free airflow and avoid debris ingress. Torque to manufacturer recommendations for the port material.

Used in

Common applications for JW WINCO

Machinery assembly — JW WINCO self-locking bearing locknuts (e.g., 1804.1-M50X1.5) for securing bearings on shafts in gearboxes and conveyors.

Fixture building — JW WINCO horizontal U-latch toggle clamps (e.g., 851.3-700-T6) for quick clamping in welding jigs and assembly fixtures.

Material handling — JW WINCO quick-release hoist rings (e.g., 1135-M12-17-ST) for lifting heavy components in manufacturing cells.

Shaft positioning — JW WINCO one-piece shaft collars (e.g., 5WG46/A) for retaining bearings or acting as stops on linear motion systems.

Linkage systems — JW WINCO stainless steel clevis rod ends (e.g., 8NXBIS) for connecting pneumatic cylinders or actuators in automated equipment.

Clamping arm extension — JW WINCO rigid clamping arm extenders (e.g., 801.1-85-16-ST) for increasing reach on toggle clamps in custom fixtures.

JW WINCO Products

3G Electric supplies JW WINCO pressure-relief breather vents. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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