PT系列测压接头PT-1PT-2~PT-3PT-4~PT-7PT-8(BZ)PT-9~PT-12PT-21~PT-23PPT-1~PPT-3PTF-M1/M22×1.5PTF-M1/M27×1.5PTF-M1/M30×1.5PTF-M1/36×2PTF-M1/42×2PT系列测压接头PTF-M1/52×2PTF-M1/62×2PTS-6PTS-8PTS-10PTS-12PTS-14PTS-16PTS-18PTS-20PTS-22PTS-25PTS-28)