Product info of Vertical flanged check valve:

Administer Standard of Vertical flanged check valve:
Design and manufacture -GB/T12236

Face to Face - GB/T12221

Flange Dimension -GB/T9113 JB79   

Pressure Temperture Lating -GB/T9131

]Inspection And Test -GB/T13927   JB/T9092

Nominal Pressure-1.6~16.0Mpa

Nominal Diameter-15~300

Body and Disc Material of Vertical flanged check valve: WCB,  WC6,WC9,ZGCr5Mo.ZG1Cr18Ni9Ti etc.

Working Temperure-WCB≤425°C   WC6≤450°C    ZG1Cr18Ni9Ti≤200°C

Suitable Medium-water,steam,petroleum.nitric acid,acetic acid.

Slide way bush-WCB,  WC6,WC9,ZGCr5Mo.ZG1Cr18Ni9Ti etc.

Hinge pin-1Cr13    1Cr18Ni9Ti     etc.

Sealing face of Vertical flanged check valve-13Cr  STL PTFE  NYLON