Harwood Engineering Company Datasheets for Air Valves

Air valves allow metered fluid flow in one or both directions. They are used in pneumatic circuits to regulate the rate of activation or exhaust of cylinders and other pneumatic devices.
Air Valves: Learn more

Product Name Notes
Features Dual-position valves: normally open or normally closed Service for gases or for liquids Air actuator operating pressure of 3-60 PSI Replaceable seats, needles, and packings Options Stainless steel valves...
Features Service for liquids and gases for pressures up to 150,000 psi. Manually-operated. Low torque; easily closed against pressure. Replaceable seat and packings. Throttling capacity; sensitive feel. Non-rotating needle; no...
Features Service for liquids and gases for pressures up to 200,000 psi. Hydraulically-operated. Replaceable seat and packings. Hydraulic control pressure of 1,000-1,500 psi. Hydraulic control ports are ¼NPT. Options Stainless...
Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. These valves allow fluids to...