871338-2

When the process industry has a need for the direction control of fluids, 871338-2 is often the answer. Originally designed for the U.S. Navy’s submarine fleet, the 871338-2 directional control valve has become an industry standard. This double-action two-way directional valve is widely used to activate and control the flow of fluids such as hydraulic and pneumatic power, air, process fluids, and water. It offers fast response, dependability and a long service life.

The 871338-2 is a reliable, five-port pilot-operating, pressure-compensated modified spool-type directional control valve with piezo-electric feedback for position or pressure control. The basic 871338-2 directional control valve includes a spool assembly, two coils that act as electromagnets, and a solenoid-operated sleeve. When the valve is energized, the coils create a magnetic field that operates the sleeve, moving the spool. This movement of the spool diverts the fluid entering port 1 to either port 2 or port 3. The directional control valve can be operated manually by using a selector switch or remotely via a control system.

The 871338-2 has numerous applications including controlling the direction of the process fluid, pressure-compensated and pressure-regulating, high-test water filtration, vacuum and blow-down applications, and more. In many mechanical systems, the directional control valve is used to control the speed and direction of the mechanical components. This is accomplished by using the valve to channel the process fluid from one port to another, allowing the user to select the desired direction of the fluid. The valve can also be used to regulate the pressure of the process fluid. This is done by controlling the amount of fluid that is allowed to flow through the valve. Since the pressure-compensated valves have a self-regulating system that adjusts the pressure within the valve, it is capable of maintaining a consistent pressure for the process fluid.

The 871338-2 directional control valve also features a number of safety features. The valve is equipped with an internal tamper switch which will shut off the power to the valve if it has been tampered with. It is also equipped with an internal pressure release valve to prevent over-pressurization. In addition to these safety features, the 871338-2 directional control valve also has an adjustable pilot pressure range which enables the user to customize the pressure according to their specific needs.

As an industry standard, the 871338-2 directional control valve is widely used in numerous industries and applications, and has been proven to be highly reliable and dependable. Its simple design, versatility and wide range of safety features make it an ideal choice for controlling the direction and pressure of fluids in a wide range of processes.