Family of high pressure valves includes 70-100 air sequence valves for operating pumps or other airoperated functions with range from 25 to 100 psi and 1/2 in. ports. CV series inline check valves available in sizes 1/4 to 1 in. NPT and pressures up to 15,000 psi. External release of pressure achieved with 20-400 N.C. air pilot unloading valve releases, which unload pressure with a rating up to 30,000 psi. PUV normally open air pilot pressure release valves release hydraulic pressure when air pressure is turned off, and is available in 55:1 and 120:1 ratio models. V103 air pilot switch valves come in two-or three-way configuration, normally open or closed. Sensing port handles up to 30,000 psi liquid or gas. Model 20-500 direct acting relief valve comes in 1/4 in. NPT or high pressure 9/16-18 coned fittings for liquid or gas up to 60,000 psi.

SC Hydraulic Engineering, (714) 257-4800, www.schydraulic.com