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Type AHN42F Back flow Safety Valve

 

Safety Valves, 

 

Back-flow safety valve for petroleum gas

Metal to metal seated

Flanged connection acc. to ANSI B16.5

 

Applications:

This valve is mounted on the liquid refluence pipeline of the pan pump's outlet of the liqufied petroleum gas station. When front pump pressure exceeds the stipulateed valve, the valve will lead to safe return of the liquif so that ensure the safe operation of equuipment and pipelines.

 

Standards Compliance:

Design and Manufacture: GB/T 12241-2005, GB/T 12243-2005

Face to Face(end to end): JB/T 2203-1999

Test and Inspection: GB/T 12243-2005

 

AHN42F-P25C, AHN42F-P18C

Dimensions(mm)

 

DN (mm) D D1 D2 b Z-Φd L H
25 115 85 65 16 4-14 160 325
32 140 100 78 16 4-18 180 335
40 150 110 85 16 4-18 200 336
50 165 125 100 16 4-18 230 366
65 185 145 120 20 4-18 290 430
80 200 160 135 20 8-18 310 490
100 215 180 155 22 8-18 350 548
150 280 240 210 24 8-23 480 706

Essential:

Valves are delivered at a set pressure, therefore when ordering 

Please confirm set pressure, medium and temperature

 

TS

Safety accessory and Safety protection device 

Manufacture License of Special Equipment, People's republic of China

AHN42F

Anti-back flow safety valve