-50PPG1,ZNPH-50PPG2,ZNPH-50PPH0,ZNPH-50PPH1,ZNPH-50PPH2,
ZNPH-50PPJ0,ZNPH-50PPJ1,ZNPH-50PPJ2,ZNPH-65PPJ0,ZNPH-65PPJ1,ZNPH-65PPJ2,
ZNPH-65PPA0,ZNPH-65PPA1,ZNPH-65PPA2,ZNPH-65PPB0,ZNPH-65PPB1,ZNPH-65PPB2,
ZNPH-65PPC0,ZNPH-65PPC1,ZNPH-65PPC2,ZNPH-65PPD0,ZNPH-65PPD1,ZNPH-65PPD2,
ZNPH-65PPE0,ZNPH-65PPE1,ZNPH-65PPE2,ZNPH-65PPF0,ZNPH-65PPF1,ZNPH-65PPF2,
ZNPH-65PPG0,ZNPH-65PPG1,ZNPH-65PPG2,ZNPH-65PPH0,ZNPH-65PPH1,ZNPH-65PPH2,
ZNPH系列 平衡流量计 对传统节流装置进行了极大的改进，具有平衡整流的显著特