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PRESSURE SAFETY VALVE
Model:WA42Y
WA42Y Back pressure balanced bellows full lift type safety valve
WA42Y Back pressure balanced bellows full lift type safety valve is suitable for equipment or piping systems with fluctuating back pressure, toxic, flammable or corrosive media at working temperature ≤300℃, as a safety protection device.Material of main parts of WA42Y bellows balanced safety valve...
Pressure Range
Temperature
≤300℃
Body Material
WCB
DN Size
20~350
Description
WA42Y Back pressure balanced bellows full lift type safety valve is suitable for equipment or piping systems with fluctuating back pressure, toxic, flammable or corrosive media at working temperature ≤300℃, as a safety protection device.
Material of main parts of WA42Y bellows balanced safety valve
| NO. | Name of part | WA42Y-C Materials | WA42Y-P Materials | WA42Y-R Materials |
| 1 | Body | WCB | ZG1Cr18Ni9Ti, 304 | CF8M |
| 2 | Nozzle | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 3 | Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
| 4 | Disc | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 5 | Disc holder | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 6 | Bellows | 304 | 304 | 316 |
| 7 | Guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
| 8 | Bonnet | ZG230-450 | ZG230-450 | ZG230-450 |
| 9 | Spring | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflon |
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