HG/T 20592  法兰 PL 600 (B)-16 RFF B=77

PL600 (B)-16RFF B=77

B WN 36"-300 RF B=Sch40S S=25

BI 70060ELF S=7.1rf)900B=299.9

BL50-10RF(B)/h=108 RF D=335 d=2=15/6a0Rh40-4b)-16f rfF35

LWN 20-300 RF(b)rf5RFS=3

wn200-150rf s/datalass4046 Sch40fsch615H166(=5.50

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