压力开关选型:规格传感器材质及感压元件压力接口可调范围(mbar)***大压力(bar)耐压(bar)J400-520***橡胶膜片，O形密封圈1/2″NPTF-746.7-013.827.6J400-521***橡胶膜片，O形密封圈1/2″NPTF-24.9-24.913.827.6J400-522***橡胶膜片，O形密封圈1/2″NPTF-124.5-124.513.827.6J400-523***橡胶膜片，O形密封圈1/2″NPTF1.2-12.413.827.6J400-524***橡胶膜片，O形密封圈1/2″NPTF6.2-124.513.827.6J400-525***橡胶膜片，O形密封圈1/2″NPTF24.9-622.313.827.6J400-530不锈钢膜片1/2″NPTF-746.7-03.46.9J400-531不锈钢膜片1/2″NPTF-24.9-24.93.46.9J400-532不锈钢膜片1/2″NPTF-124.5-124.53.46.9J400-533不锈钢膜片1/2″NPTF1.2-12.43.46.9J400-534不锈钢膜片1/4″NPTF6.2-124.53.46.9J400-535不锈钢膜片1/2″NPTF24.9-622.33.46.9J400-126黄铜波纹管1/4″NPTF-1-0bar0.20.3J400-134黄铜波纹管1/4″NPTF-1-1.4bar1.41.7单点差压开关选型:规格传感器材质及感压元件压力接口可调范围(bar)***大压力(bar)耐压(bar)J400K-S147B316不锈钢波纹管1/2″NPTF0.2-2.1-1-6.920.7J400K-S157B316不锈钢波纹管1/2″NPTF0.7-6.9-1-12.420.7)