GB/T 9124.1  法兰 DN200-PN16 PL RF Ⅱ RFR�ƒdh40S1.20 RF��&0@40/hS200Sh2F=3 d=1562

DN200-PN16 PL RF ⅡRFR�ƒdh40S1.20 RF��&0@40/hS200Sh2F=3 d=1562

BL 20(B)-40 T=&a

B WN 1150-300 RF S=16

WN100(B)-16 RF

PL65(a)-16RF h=43F)-57

SO 50(B)-16 RF Sch40S=12CH.

pl80(a)-10 rf f1=1.6

PL 400(A)-10 RFRF0FF r/fmf sG/TFR10 S=51

47023 FM9