What is a check valve?

Feb 25, 2018 ... Has anyone used industrial pneumatic valves not specified for liquids for low-pressure water applications? Is it likely this sort of use will destroy the valve? A wide-range of pneumatically actuated high purity fluid handling valves which are design, manufactured and stocked in our Irvine, California facility. Type Description. The externally controlled diaphragm valve Type 2031/2030 consists of a pneumatically operated piston actuator, a diaphragm and a 2-way valve ... Its function on a pipeline is to release accumulated gases or admit air into the pipeline during the filling, draining, or operation of the liquid pipeline ... Product Description. Willoughby PML1 and PSL1 Single Temperature, Lead-free, Pneumatic Valves are water control valves for use with plumbing fixtures in ... Reliable Isolation Under All Conditions · The 10.8 UHV Gate Valve is available as manual, pneumatic and 3-position pneumatic versions with solenoid valves, ... Solenoid valve ... A solenoid valve is an electromechanically operated valve. Solenoid valves. Solenoid valves differ in the characteristics of the electric ... Mar 16, 2020 ... A pneumatic system is that helical steel coil springs have been replaced by compressed air. In both cases, what the spring does is force the valve and its cam ... Pneumatic valve actuator - Rack and Pinion. Key Features, Models, Specifications, Materials, Temperature Range, Direct Mount Connections, Supply Air Pressure. 2/2 electro-pneumatic valve ... This valve has been designed to control lubricant flow (oil and grease). The piston is made of hardened and ground steel. It is ...