| Customization: | Available |
|---|---|
| Material: | 2Cr13 |
| Category: | Safety Valve |
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Air Compressor Pressure Safety Relief Valve (GAAY42H)

Materials for Main Parts
| 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 | |
Main Specifications
| 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 |
