6900GE系列紧凑防爆型压力开关接口尺寸1/4”NPT接口材料铝合金隔膜材料聚丁钠橡胶接点形式和容量SPDT，15A，250VACDPDT，5A，250VAC***大压力压力范围压力开关型号(MPa)(MPa)SPDTDPDT3.4480.021～0.1246900GE126900GEM123.4480.041～0.4906900GE146900GEM1410.3450.083～0.9796900GE166900GEM1610.3450.207～2.4486900GE186900GEM1813.7932.069～6.5176900GE206900GEM2020.6904.828～16.5526900GE226900GEM22)