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.
Applicable Standards:
Design & Manufacture according to :ASTM/ASME/ANSI API
Face to Face according to :ASME B16.10
Flange Dimensions according to :ASME B16.5
Pressure & Temperature according to :ASME B16.34
Test & Inspection according to :ASTM/ASME/ANSI A P I American-Standard 6D / ASTM/ASME/ANSI A P I American-Standard 598
Visual Inspection according to :MSS SP-55
Marking according to :MSS SP-25
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 |