The Series 4000 is a family of spring-assissted poppet check valves.

Suitable for the most demanding service environments over land, sea, air, and space. Series 4000 valves are well suited for service in a vast assortment of gases and liquids where extended service life, gall-free operation, and bubble-tight operation are critical.

• Zero leakage, Zero maintenance

• Working pressures up to 10,000 psig (689 bar) 

• Standard Operating Temperature Range: -40F to 400F (-40C to 204C)

• Extended High Temperature Service Options

• Cryogenic Service Options 

• Nominal Cv of 0.4

• Standard Cracking Pressure: 5 psi (0.34 bar)

• Optional Cracking Pressures: 2, 10, 20 psi (0.14, 0.69, 1.38 bar) 

• Ideal for rapid pressure transients

• Impervious to damage from chatter

• Designed to withstand extreme pressure surges in the forward or reverse direction

• Made in the USA from domestic materials conforming to aerospace specifications

• Rigorously tested to ensure trouble free service

• Standard Fluid Interface: AS4395 (37 Degree Flared Tube Fitting)

• Optional Fluid Interface: AS1098, AS5202, AS1941, AS930, AS4320

The Series 7000 is a family of spring-assissted poppet check valves intended for extreme temperature service.

• Cryogenic fluid applications down to -320F 

• High Temperature Applications up to 1200F

• Working pressures up to 10,000 psig (689 bar) 

• Designed to withstand extreme pressure surges in the forward or reverse direction

• Made in the USA from domestic materials conforming to aerospace specifications

• Rigorously tested to ensure trouble free service

• Standard Fluid Interface: AS4395 (37 Degree Flared Tube Fitting)

• Optional Fluid Interface: AS1098, AS5202, AS1941, AS930, AS4320

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16514 Arminta St.

Van Nuys, CA

91406

USA

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