美国UE  J400系列压力开关
                                                
 
 美国UE  J400系列，压力开关
J400型   (一个SPDT)   
黄铜波纹管1/4″NPTF
J400-126、J400-134、J400-137、J400-144、J400-146、J400-156、J400-164；
Phosphor bronze 波纹管 1/4″NPTF  J400-270、J400-274、；
Buna N 膜片 1/4″NPTF 铝质压力接口
J400-440、J400-441、J400-442、J400-443、J400-448、J400-449、J400-450、J400-451、J400-452、J400-454；
316L膜片 1/4″NPTF
J400- 571、J400-572；
波纹管316L焊接///1/2”NPTF 316L
J400- S126B、J400- S134B、J400- S137B、J400- S144B、J400- S146B、J400- S156B、J400- S164B;
波纹管316L焊接///1/4”NPTF 316L
J400-358、J400-361、J400-376；