Valve-Air Check (Wm639A) 113934

positive OEM
Air check valve controlling airflow direction in pneumatic brake systems.
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Description

The Williams Control WM639A Air Check Valve (WIL 113934) is a critical component in air brake systems, designed to allow airflow in one direction while preventing backflow. It functions as a transfer or double check valve, ensuring proper air pressure management within pneumatic brake circuits.

Key Specifications

  • Application: Air type power brakes
  • Function: Controls directional air flow, prevents backflow
  • Compatibility: Heavy-duty trucks, commercial vehicles
  • Construction: Metal body, internal shuttle mechanism
  • Features: In-line shuttle valve, supports low to moderate airflow
  • Quality: OEM part

Shipping Info

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More Information

Current Part# 113934
Type OEM
Manufacturer Williams Controls
Warranty Standard Manufacturer Warranty