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(888) 312-8812 Login SignupWILLIAMS CONTROLS WM674A WM674 Series Dual Function Parking Brake Control, Panel Mount, 1/4-18 NPTF, 150 psi
$43599
3 Day Lead Time
Due to limited availability, we will confirm your order and notify you within 1 business day.
WILLIAMS CONTROLS WM674A Part Description
Manufacturer
Product Description
WM674 Series Dual Function Parking Brake Control, Panel Mount
Features & Benefits
- Dual three-way valve design combines multiple control functions
- Internal check valve helps protect the emergency air reservoir
- Automatically applies spring brakes during low-pressure conditions
- Compact assembly helps reduce external air line routing
Williams Controls Parking Brake Control Module
Manage parking and emergency brake functions with the Williams Controls Parking Brake Control Module. This dual-function module combines two manually operated three-way valves into a compact assembly for spring brake control. Designed with automatic low-pressure protection, the Williams Controls WM674A applies the parking brake if system pressure falls below the operating threshold. Integrating multiple valve functions into one assembly also helps simplify plumbing on compatible air brake systems.
WILLIAMS CONTROLS WM674A Specifications
Product Attributes
| Exhaust Port Size | 1/8-27 NPTF |
| Body Casting Material | Die Cast Aluminum |
| Automatic Application Pressure | 20-35 psi |
| Hardware Material | Cadmium Plated Steel |
| Inlet Port Thread Size | 1/4-18 NPTF |
| Inlet to Outlet Flow Rating | 20 SCFM @ 100 psi |
| Mounting Type | Panel Mounted |
| Maximum Supply Pressure | 150 psi |
| Operating Temperature Range | -20-deg. F to 150 -deg. F |
| Mounting Attitude | Optional |
| Outlet Port Thread Size | 1/4-18 NPTF |
| Series | WM674 |
| Outlet to Exhaust Flow Rating | 25 SCFM @ 100 psi |
| Tank to Outlet Flow Rating | 35 SCFM @ 100 psi |
| Seals & O-Rings Material | Buna N |
WILLIAMS CONTROLS WM674A Cross References
| Brand | Part Number |
|---|---|
| Tectran | 106841 |
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WILLIAMS CONTROLS WM674A Manufacturer Information
A division of Curtiss-Wright Corporation, Williams Controls® specializes in aftermarket electronic, hydraulic, and pneumatic control solutions for commercial vehicles. Originally founded in 1937 to manufacture brake components for logging trucks, it has grown into one of the leading producers of control systems for the heavy duty vehicle market. It has also pioneered key products and technologies such as the pneumatic controls and electronic throttle controls for trucks and buses. Today, Williams Controls offers a comprehensive lineup of hand, joystick, throttle controls, adjustable pedal systems, handrest systems, and sensors for all commercial vehicles. All products are manufactured under a strict Quality and Environmental System and comply with ISO standards.
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