HG/T 20592  法兰盖 BL 80-16 RF0Schch40S5 RF B

BL80-16 RF0Schch40S5 RF B

47021 fm450-1.6/55

WN 2"-150 RF Sch40S

DN 80×80×50-3.05 TR

WN100-40G

BL550-16RF@RF@Jh10Ff5

SP-3-8RF5B0H40- B=

WN15-40 RF

SO 2 1/2"-300 RF

PL150(A)-16 RF0 H=200 wn1000-150 rf120×450-7.92 TR3=42-2009� RF S=6H165�