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GA44H-16C/25/40，GA44H-64，GA44H型雙杠桿安全閥適用于溫度≤450℃的電站鍋爐和壓力容器上，防止壓力超過允許最高值，介質(zhì)可為蒸汽、空氣。
GA44H type s afety valve is applicable to the power-station boiler and pressure con-tainer ( The working temperature is 450 or less. ) which will 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 | |||||||||||||||||||||||
| GA44H型安全閥的主要零件材料和GA42H-16C/25/40安全閥的相同。 | |||||||||||||||||||||||
| For the materials of main parts GA44H lever safety valve are just same as GA42H-16C/25/40 lever safety valve. | |||||||||||||||||||||||
| 型號(hào) Type |
公稱通徑 Nominal diameter DN(mm) |
尺寸Dimensions | |||||||||||||||||||||
| do-z | D | D1 | D2 | D2 | f | f2 | b | Z- d | L | H | 承插式 | 法蘭式 | |||||||||||
| d1 | K2 | K3 | D3 | DN' | D2' | D1' | D' | b' | f' | z1-d1 | |||||||||||||
| GA44H-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 |
| GA44H-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 |
| GA44H-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 |
| GA44H-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 |
