Ga41/Ga51 Steam Boiler Pressure Vessel Single Lever Safety Valve

GAGA41H, GAGA51H Type Safety Valve, except the lever (Lever material is carbon steel), hammer(hammer material is cast iron), the materials of other parts is the same as GAGA41H-16C Spring loaded type safety valve.
A single rod safety valve is a safety device designed to prevent pressure equipment and containers from exploding due to pressure rise or internal pressure exceeding the limit. It is a widely used safety device in pressure systems such as pressure vessels, boilers, and pressure pipelines, ensuring the safe operation of the pressure system.
NO. | Name of part | C Materials |
1 | Body | Carbon steel |
2 | Guide sleeve | Stainless steel |
3 | Disc | 2Cr13 |
4 | Stem | 2Cr13 |
5 | Lever | Carbon steel |
6 | Hammer | Cast iron |
Lever Safety Valve Main Dimension.


| Model | DN | Dimension | |||||||||||||||||||||
| do-z | D | D1 | D2 | D6 | f | f2 | b | Z-?d | H | L | SW | Flanged | |||||||||||
| d1 | k2 | k3 | D3 | DN' | D2' | D1' | D' | b' | f' | z1-?d1 | |||||||||||||
| GAGA44H-1.6 | 80 | 50×2 | 200 | 160 | 135 | / | 3 | / | 20 | 8-18 | 410 | 840 | 120 | 145 | 162 | 190 | 150 | 210 | 240 | 280 | 24 | 3 | 8-23 |
| GAGA44H-2.5 | 80 | 50×2 | 200 | 160 | 135 | / | 3 | / | 22 | 8-18 | 410 | 840 | 120 | 145 | 162 | 190 | 150 | 210 | 240 | 280 | 24 | 3 | 8-23 |
| GAGA44H-4.0 | 80 | 50×2 | 200 | 160 | 135 | 121 | 3 | 4 | 22 | 8-18 | 410 | 840 | 120 | 145 | 162 | 190 | 150 | 210 | 240 | 280 | 24 | 3 | 8-23 |
| GAGA44H-6.4 | 80 | 40×2 | 210 | 170 | 140 | 121 | 3 | 4 | 30 | 8-23 | 480 | 840 | 200 | 218 | 253 | 285 | 200 | 255 | 280 | 315 | 22 | 3 | 8-18 |












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