HG/T 20592  法兰盖 BL 500-16 RF0pampa150 RF B=Sch40S S=1

法兰盖BL500-16 RF0pampa150 RF B=Sch40S S=1

WN 80-150 RF Sch80S/

PL50B)-2.5RFT Sch40FF 6 R sn5sh4051500290ch40sN0rf00-16

WN 40(B)-100 fMSCH40RJ0-0--1500-150r

SP-2 DN=2000 δ=16 S1=16pa

PL 600(B)-6 RF D=1405 B=1224 C=30 f1=5 K=1240 d=1

WN 2"-6