SOR单设定点压力开关选型表型号设定值范围kg/cm2回程差kg/cm2防爆产品型号4NN-K2-N4-B1A0.14~0.560.014L-K2-N4-B1A4NN-K4-N4-B1A0.14~1.760.024L-K4-N4-B1A4NN-K5-N4-B1A0.21~3.520.034L-K5-N4-B1A4NN-K45-N4-B1A0.28~5.270.044L-K45-N4-B1A***大承受压力52.73kg/cm2；出厂实验压力70.31kg/cm25NN-K3-N4-F1A1.76~16.870.155L-K3-N4-F1A5NN-K5-N4-F1A2.46~26.370.225L-K5-N4-F1A5NN-K45-N4-F1A3.16~38.670.275L-K45-N4-F1A6NN-K2-N4-F1A0.49~2.110.046L-K2-N4-F1A6NN-K3-N4-F1A0.84~7.030.066L-K3-N4-F1A6NN-K5-N4-F1A1.41~12.660.106L-K5-N4-F1A6NN-K45-N4-F1A1.76~19.330.136L-K45-N4-F1A美国sor开关，压力开关)