High pressure solenoid valves are designed for aggressive, high pressure environments such as medical facilities and laboratories. They use solenoid actuation and have sturdier parts made of materials suited to extreme pressures and temperatures. The valves operate electromagnetically and have closer tolerances and thicker materials than low-pressure counterparts. Valve housing is made from materials that can withstand the aggressive environment. High pressure solenoid valves have pressures ranging from 500 to 3,000 psi and are available in single or multiple flow path configurations.
A high pressure solenoid valve is a specialized type of valve that uses solenoid actuation and is designed to operate in aggressive, high pressure environments. As is the case with most solenoid valves, the high pressure solenoid valve is a linear lift piston valve. The only significant difference between these and other similar valve types is the design and materials used to manufacture the valve chamber, valve seat and piston. These parts are typically sturdier and made of material grades best suited to the extreme pressures, temperatures and aggressive substances to which they are exposed.
Solenoid valves are conventional piston or poppet valves with short stroke and linear actuation. The operation of the valve is achieved electromagnetically via an integrated solenoid. The solenoid piston is permanently connected to the valve stem and fitted with a return spring. When the solenoid coil is energized, it forms a magnetic field which pushes the plunger into the hollow core of the coil. Through connection to the valve stem, this movement lifts the valve piston off its seat and opens the valve fluid path, remaining in this state until power to the solenoid is removed and the return spring closes the valve again. valve.
The high pressure solenoid valve is an example of this type of valve designed specifically for high pressure applications. These include medical facilities, instrumentation installations and laboratories where gases and fluids such as oxygen, nitrogen and high pressure chemical suspensions are used. These applications require the valves to not only withstand high pressures, but also high temperatures and corrosive materials. The construction of the valves mirrors the demands placed on them with several subtle departures from conventional valve design.
Outwardly, the high-pressure solenoid valve differs little from its low-pressure counterparts. The internal mechanism is, however, usually significantly different. The internal tolerances to which the valve is machined tend to be much closer, with significant increases in the robustness of the mechanism as a whole. This includes the thickness of the material used to manufacture the piston, seat and rod, as well as an increase in the strength of the return spring.
The valve housing is also augmented and manufactured from materials that can withstand the aggressive nature of the operating environment, such as high quality brass and stainless steel. High pressure solenoid valve pressures generally range from 500 to 3,000 pounds per square inch (3,447 to 20,684 megapascals). The valves are also available in single or multiple flow path configurations.
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