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GA44H-16C/25/40,GA44H-64,GA44H型双杠杆安全阀适用于温度≤450℃的电站锅炉和压力容器上,防止压力超过允许最高值,介质可为蒸汽、空气。
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型安全阀的主要零件材料和GA42H-16C/25/40安全阀的相同。 | |||||||||||||||||||||||
For the materials of main parts GA44H lever safety valve are just same as GA42H-16C/25/40 lever safety valve. | |||||||||||||||||||||||
型号 Type |
公称通径 Nominal diameter DN(mm) |
尺寸Dimensions | |||||||||||||||||||||
do-z | D | D1 | D2 | D2 | f | f2 | b | Z- d | L | H | 承插式 | 法兰式 | |||||||||||
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 |