Product Description
safety 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

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