101NN-K3-N4-C1A美国SOR差压开关，现货101-121差压开关防护型可调范围回差防爆型型号Mpa(Kpa)型号101NN-K3-N4-C1A0.02-0.23.45101L-K3-N4-C1A101NN-K45-N4-C1A0.069-0.5210.34101L-K45-N4-C1A121NN-K45-N4-C1A0.52-3.4568.95121L-K45-N4-C1A101工作压力：3.45Mpa121工作压力：6.9Mpa101系列防爆差压开关防爆差压开关型号可调范围(Mpa)回差(Kpa)101AG-EF3-N4-C1A0.02-0.26.9101AG-EF3-N4-C1A0.069-0.5220.68101AG-EF3-N4-C1A0.52-3.45137.90)