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GA41H-16C/25/40 A51H-16C/25/40
GA41H、A51H型單杠桿安全閥適用于溫度≤450℃的鍋爐和壓力容器上，防止壓力超過允許最高值，介質可為蒸汽、空氣。
GA41H, A51H type safety valve is appli-cable to the boiler and pressure container ( Theworking temperature is 450 or ess. ), whichwill avoid the pressure rate beyond the allowed upper limit. The medium can be steam or air .
| 主要零部件材料Materials for main parts | ||||||||||||||||
| GA41H、A51H型安全閥除杠桿（材料為碳鋼），重錘（材料為鑄鐵），其余材料均和A41H-16C型彈簧式安全閥相同。 | ||||||||||||||||
| GA41H, A51H type safety valve, except the lever ( material is carbon steel), hammer (material is cast iron), the materials of other parts is the same as A41H-16C spring load type safety valve. | ||||||||||||||||
| Nominal diameter DN(mm) |
Dimensions (mm) | |||||||||||||||
| do | L | L1 | D | K | g1 | f | b | Z- d | DN' | D1 | K1 | g2 | b1 | f' | Z- d1 | |
| 25 | 20 | 100 | 85 | 115 | 85 | 65 | 2 | 16 | 4-14 | 25 | 115 | 85 | 65 | 16 | 2 | 4-14 |
| 32 | 25 | 115 | 100 | 140 | 100 | 78 | 2 | 18 | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 |
| 40 | 32 | 120 | 110 | 150 | 110 | 85 | 3 | 18 | 4-18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-18 |
| 50 | 40 | 135 | 120 | 165 | 125 | 100 | 3 | 20 | 4-18 | 50 | 165 | 125 | 100 | 20 | 3 | 4-18 |
| 80 | 65 | 160 | 135 | 200 | 160 | 135 | 3 | 20 | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 |
| 100 | 80 | 170 | 160 | 220 | 180 | 155 | 3 | 22 | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 |
| 150 | 125 | 205 | 195 | 285 | 240 | 210 | 3 | 24 | 8-23 | 150 | 285 | 240 | 210 | 24 | 3 | 8-23 |
| 200 | 150 | 240 | 230 | 340 | 295 | 265 | 3 | 26 | 12-23 | 200 | 340 | 295 | 265 | 26 | 3 | 12-23 |
