Characteristic parameters	Material	Weight
Maximum pressure: 250 Psig 调节 压力： 0~25， 0~50， 0~100， Adjust the pressure: 0~25, 0~50, 0~100, 0~250 psig 0~250 psig 安全测试压力：1.5 倍的最大输入压力 Safety test pressure: the maximum input pressure of 1.5 times 适用温度: -40°F 至＋165°F (-40℃至＋74℃) Suitable temperature: -40 degrees F degrees F to 165 (-40 DEG C 74) 泄漏率: 2×10-8 atm cc/sec He Leakage rate: 2 * 10-8 ATM cc/sec He Cv 值: 0.08 The value of Cv: 0.08	Mother: 316L, Brass 上 盖： 316L , Brass Cover: 316L, Brass 膜 片： 316L Film: 316L 阀 座: PCTFE , PTFE, Vespel Valve seat: PCTFE, PTFE, Vespel 弹 簧: 316L Spring: 316L 阀芯顶杆: 316L The valve core bar: 316L

KG71 series stainless steel back pressure valve, stainless steel diaphragm pressure transmission, accurate pressure control, is used to regulate the upstream pressure, suitable for pure gas

Body, corrosive gas, standard gas.

Design features of DESIGN FEATURES is TYPICAL APPLICATIONS

The mother and the diaphragm with seal form

The parent thread: 1/4 "NPT (F)

The panel or wall mounting

Laboratory

Gas analysis

Process control

Petroleum and chemical industry