| Customization: | Available |
|---|---|
| Structure: | Spring Loaded Closed Full Lift Type |
| Material: | Carbon Steel |
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When the medium enters from below the valve disc, under the action of gravity and spring force, the main valve core moves downwards and the main slider moves upwards, while also driving the auxiliary slider to move upwards; When the medium enters from above the secondary slider, the main slider moves downwards and drives the secondary slider to move up and down due to the influence of gravity and lever force. The valve that achieves closure by changing the relative position of the two diaphragms through movement in two directions is called a unidirectional flow controlled ductile iron gate; On the contrary, it is a bidirectional flow control gate.
GAA42H / Y Parallel LPG Safety Reflux 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 + PTFE | 1cr18ni9ti + PTFE | 1cr18ni12mo2ti+ PTFE |
| 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 | ||
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