德国DUNGS冬斯燃气压力开关:GW3A5、GW10A5、GW50A5、GW150A5,GW500A5,GW3A6、GW50A6、GW150A6,GW500A6 德国DUNGS冬斯空气压力开关:LGW3A2、LGW10A2、LGW50A2,LGW150A2,LGW3A2P、LGW10A2P、LGW50A2P、LGW150A2P,LGW3A4,LGW10A4,LGW50A4,LGW150A4上海正江(王平) 西门子SIEMENS压力开关:QPL25.003,QPL25.010,QPL25.050,QPL25.150,QPL25.500 西门子SIEMENS压力传感器:上海正江(王平) QBE2000-P1,QBE2000-P2,QBE2000-P4,QBE2000-P5,QBE2000-P10,QBE2000-P20,QBE2000-P40,QBE9000-P10,QBE9000-P16,QBE9000-P25, 德国KromSchroder霍科德燃气压力开关: DG6B DG6U DG10B DG10U DG500U DG10H DG10N DG50H DL1E DL3E DL5E DL10E DL150A DL3K DL5K DL10K DG50B DG50U DG150B DG150U DG50N DG150H DG150N DG500H DL50E DL3A DL** DL10A DL50K DL150K DG500B DL50A 美国HONEYWELL霍尼威尔燃气压力开关: C6097A2110 C6097A2210 C6097A2310 C6097A2410 C6097A2200 C6097A2300 C6097A2400