美国UEJ402-522压力开关J402压力开关J402型(二个SPDT)压力开关黄铜波纹管1/4″NPTFJ402-126、J402-134、J402-137、J402-144、J402-146、J402-156、J402-164；Phosphorbronze波纹管1/4″NPTFJ402-270、J402-274、；BunaN膜片1/4″NPTF铝质压力接口J402-440、J402-441、J402-442、J402-443、J402-448、J402-449、J402-450、J402-451、J402-452、J402-454；316L膜片1/4″NPTFJ402-571、J402-572；波纹管316L焊接///1/2”NPTF316LJ402-S126B、J402-S134B、J402-S137B、J402-S144B、J402-S146B、J402-S156B、J402-S164B;波纹管316L焊接///1/4”NPTF316LJ402-358、J402-361、J402-376；)