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Flanged High Pressure Safety Overflow Valve (GYA42H)
GYA42H High Pressure Safety Overflow Valves can be used for Petroleum, Chemistry and Hydraulic conveyor pipelines. Its working temperature is less than 200 Deg C. It serves as an overpressure protection device. It's often used for High pressure pipelines.Type | PN (MPa) | Setting Pressure (MPa) | Working Temp. (°C) | Suitable Medium |
GYAY42H-160 GYA802Y-160 |
16 | 6.3-16.0 | 200 | Water, Oil, Gas, etc. |
GYAY42H-250 GYA802Y-250 |
25 | 10.0-25.0 | ||
GYAY42H-400 GYA802Y-400 GYA802Y-600 |
40.0-60.0 | 20.0-60.0 |
No. | Name | Material |
1 | Body | Carbon Steel |
2 | Seat | Stainless Steel |
3 | Disc | Stainless Steel |
4 | Bonnet | Welding Element |
5 | Spring | 50CrVA |
Type | DN | Dimensions (mm) | ||||
Rc | ZG | L | L1 | H | ||
GYA802Y-600 | 15 | 1/2" | 1/2" | 48 | 140 | 250 |
25 | 3/4" | 3/4" | 52 | 113 | 275 | |
40 | 1.1/2" | 1.1/2" | 52 | 157 | 336 |
Type | DN | Dimensions (mm) | |||||||||
D | D1 | K | M | Z-d | b | L | L1 | Rc | H | ||
GAY42H-160 GAY42H-250 GAY42H-400 |
15 | 135 | 95 | 25 | M48X3 | 6-26 | 25 | 48 | 140 | 1" | 329 |
20 | 165 | 115 | 30 | M56X3 | 6-29 | 28 | 53 | 170 | 1.1/2" | 447 | |
25 | 200 | 145 | 38 | M64X3 | 6-29 | 40 | 53 | 175 | 2" | 485 | |
32 | 210 | 155 | 40 | M64X3 | 6-29 | 40 | 68 | 180 | 2.1/2" |
570 |
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