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(888) 312-8812 Login SignupThe WM147L1 is a normally closed 3-way non-compensating relay valve, equipped with a WM111B breather. Pilot control pressure is used to open the normally closed valve. When sufficient control pressure is applied (35-45 PSI, 241-310 kPa), an internal diaphragm expands and unseats the poppet. Air flows from the supply port to the outlet port. The valve will exhaust pressure, when the control pressure drops below the required level, at the outlet through the exhaust breather. Part Number: 130845 Manufactured by Williams Controls.
The William Controls WM147L1 relay valve is designed as a normally closed, non-compensating relay valve. To open this normally closed valve, the required pilot control pressure signal must be used.
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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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