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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)DD1D2bZ-ΦdLH
251158565164-14160325
3214010078164-18180335
4015011085164-18200336
50165125100164-18230366
65185145120204-18290430
80200160135208-18310490
100215180155228-18350548
150280240210248-23480706

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



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AHN42F

Anti-back flow safety valve