防护型可调范围回差防爆型型号MpaKpa型号9NN-K4-N4-F1A0.689-3.4436.549L-K4-N4-F1A9NN-K5-N4-F1A1.379-6.8963.439L-K5-N4-F1A9NN-K45-N4-F1A1.379-12.06103.39L-K45-N4-F1A(6,5)工作压力：10.3Mpa保护压力：17.2Mpa917.2Mpa41.2Mpa9NN-K4-N4-F1A7.03~35.150.379L-K4-N4-F1A9NN-K5-N4-F1A14.06~70.310.659L-K5-N4-F1A9NN-K45-N4-F1A14.06~123.041.059L-K45-N4-F1A***大承受压力175.77kg/cm2；出厂实验压力421.85kg/cm2)