GA41H、A51H單杠桿安全閥適用于溫度≤450℃的鍋爐和壓力容器上,防止壓力超過許可最高值。介質(zhì)可為蒸汽、空氣。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型彈簧式安全閥雷同。
重要形狀和連接尺寸:
| 公稱通徑 | 尺寸 | |||||||||||||||
| do | l | l1 | d | k | g1 | f | b | z-ød | dn’ | d1 | k1 | g2 | b1 | f’ | z-ød1 | |
| 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 |


