High Pressure Steam Safety Relief Valve

Pressure Protection Device for the equipment and pipeline of the steam, ect. The working temperature with Carbon Material Type are less than 425ºC and with WC6 Material type are less than 500ºC and WC9 Material Type are less than 550ºC.
GAA48SB High Temperature and High Pressure Safety Valve Material
NO
Parts
Cast Steell Material
WC6 Material
WC9 Material
1
Body
WCB
ZG1Cr5Mo
ZG15Cr1MoV
2
Seat
2Cr13
1Cr18Ni9Ti
12Cr1MoVA
3
Adjusting Ring
2Cr13
1Cr18Ni9Ti
1Cr18Ni9Ti
4
Disc
2Cr13
17-4PH
17-4PH
5
Guiding Sleeve
2Cr13
1Cr18Ni9Ti
1Cr18Ni9Ti
6
Heat Radiator
ZG230-450
ZG230-450
ZG230-450
7
Bonnet
ZG230-450
ZG230-450
ZG230-450
8
Spring
50CrVA
50CrVA
50CrVA