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(888) 312-8812 Login SignupWILLIAMS CONTROLS 111940 WM279 Series Self-Relieving Pressure Regulator Valve, 1/4-18 NPTF Port, 150 psi, 70 SCFM
$13749
3 Day Lead Time
Due to limited availability, we will confirm your order and notify you within 1 business day.
WILLIAMS CONTROLS 111940 Part Description
Manufacturer
Product Description
WM279 Series Self-Relieving Pressure Regulator Valve, 1/4-18 NPTF Port
Features & Benefits
- Self-relieving internal design for automatic venting of downstream over-pressurization
- Rugged zinc alloy housing to prevent metal fatigue and environmental corrosion
- Integrated hex-screw adjustment for precise manual calibration of output pressure
- Standard 1/4-18 NPTF ports to ensure secure, leak-free pneumatic connections
Williams Controls Self-Relieving Pressure Regulator
The Williams Controls Self-Relieving Pressure Regulator 111940 is a precision-engineered pneumatic component designed to maintain a stable, manually calibrated output within heavy-duty air systems. Housed in a robust zinc alloy body, this WM279 series valve is built to withstand the rigors of commercial vehicle environments, offering exceptional resistance to internal wear and external corrosion. The unit features an internal hex-screw adjustment for "set-and-forget" pressure management, while its self-relieving capability automatically vents excess downstream pressure to protect sensitive components. Whether used in air brake control circuits or auxiliary industrial applications, the Williams Controls 111940 ensures consistent signal delivery and system safety by compensating for fluctuations in supply pressure.
WILLIAMS CONTROLS 111940 Specifications
Product Attributes
| Maximum Operating Pressure: | 150 psi |
| Port Thread Size: | 1/4-18 NPTF in |
| Working Temperature Range: | -20.00 to +200.00 Deg.F |
| Maximum Output Pressure: | 80 psi |
| Knob Material: | ABS |
| Mounting Method: | Bracket |
| Body Material: | Zinc Alloy |
| Body Material | Iridited Die Cast Zinc Alloy |
| Diaphragm Material | Fabric-Reinforced Buna N |
| Gasket Material | Fiber |
| Knob Material | ABS Plastic |
| Flow Rating | 70 SCFM @ 100 psi |
| End Cap Material | Brass |
| Maximum Operating Pressure | 150 psi |
| Operating Temperature Range | -20-deg. F to 200-deg. F |
| Mounting Attitude | Optional |
| Port Size | 1/4-18 NPTF |
| Series | WM279 |
| Poppet Stem Material | Aluminum with Buna N Backing |
WILLIAMS CONTROLS 111940 Cross References
| Brand | Part Number |
|---|---|
| WIL111940 | |
| Tectran | WM279E1 |
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WILLIAMS CONTROLS 111940 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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