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Parallel safety reflux valve PAH41F-16/25/40

Features

Applicable to gas or other weakly corrosive media system pipelines. When the pressure difference between the inlet and outlet of the valve reaches the rated pressure value, the valve automatically opens to allow the medium to flow back into the pipeline s

Technical Parameters


技术参数

公称压力Mpa 1.6 2.5 4.0
壳体试验压力Mpa 2.4 3.75 6.0
进出口压差Mpa 0.5MPa
适用温度 -29℃-+80℃
适用介质 液化石油气、弱腐蚀性介质等
法兰标准 GB/T9113-2000

主要零部件材料

阀体 阀杆 阀瓣 弹簧 阀座
WCB 20Cr13 ZG20Cr13,H62 50CrVA 20Cr13

  

平行式安全回流阀PAH41T公称压力PN2.5MPa外形尺寸和连接尺寸

DN L D Dl D2 b f Z-φd H
25 160 115 85 65 16 3 4-φ14 160
32 180 140 100 76 18 3 4-φ18 220
40 200 150 110 84 18 3 4-φ18 255
50 230 165 125 99 20 3 4-φ18 280
80 310 200 160 132 24 3 8-φ18 345
100 350 235 190 156 24 3.5 8-φ22 360