GAA42Y-C type safety valveare used for the equipment and pipeline of the air, petroleum gas, liquid etc medium what the working temperature are less than 300ºC.
GAA42Y-P type and GAA42Y-R type are used for the equipment and pipeline of the quality with corrode medium what the working temperature are less than 200ºC.Take for extra pressure protection devices.
GAA42H / Y Spring Loaded Full Lift Safety Valve Main Parts Material
| No | Parts Name | GAA42H-C/ GAA42Y- C Material | GAA41Y--P/ GAA42Y-P Material | GAA41Y--R / GAA42Y-R Material |
| 1 | Body | WCB | 1cr18ni9ti | 1cr18ni12mo2ti |
| 2 | Seat | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti |
| 3 | Adjusting Ring | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti |
| 4 | Disc | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti |
| 5 | Guide | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti |
| 6 | Bonnet | zg230-450 | 230-450 | 230-450 |
| 7 | Spring | 50crva | 50crva | 50crva |
| 8 | Stem | 2cr13 | 2cr13 | 1cr18ni12mo2ti |
| 9 | Adjusting Bolt | 45 | 2cr13 | 2cr13 |
| 10 | Cap | 200-400 | 200-400 | 200-400 |
| Sealing | D507 | Stellite 6 |
