特点■316 St.St.或黄铜体结构■ - 琴声-压力特性高达3000psi的(206巴)■ - 紧凑设计■ - 变固定裂化压力spnngs■ - HAM-LET LET-LOK *。男性和女性ñPT。和HTC *面密封珠结束。一般事项本H-400系列是用于仪表的紧凑设计。H-400的阀是常闭的。当入口和出口之间的压差大于弹簧的设定压力越高。提升阀打开,以使通过阀的流量的一个自由通道。对于真空应用请选择H-400HP系列。开启压力的MLET和出口,在whtch初始流动通过阀之间的压力差。 RESEALPRESSURE The differential pressure between the outlet and inlet, at which no flow is passing through the valve. BACK PRESSURE The differential pressure between the inlet and outlet pressures. Maximum allowable back pressure is rated to 1000 psi (69 bar) for 1/4, 200 psi (14 bar) for 3/8 to1\ In Systems where puises, pressure shock or pressure surges occur please select the H-400HP Sériés CLEANING & PACKAGING Every H-400 sériés Check valve is cleaned in accordance with Standard Cleaning and Packaging (procedure 8184). Oxygen Clean& Lubricant-FreeCleaning and Packaging, in accordance with Spécial Cleaning and Packaging (procedure 8185). is available as an option. TESTING