HG/T 20592  法兰 PL 300(B)-10 RF00-25

pl300b)-10rf00-25

bl32-6fm6rf/10Rm.

LWN150-900 RJ XXS 16MNS=46RF-16RF6 RF)-/ D=40S RF3/0S R5l

PL25-16RFFRF-630m sch40S=3F S=3

SO 65(B)-16 RF S=5

WN 40-150 RF=3.3Sf SCH40Srmpampwd=& dL65(B)-6 RF s184040 S340

WN 50(B)-600 RF RF=3 b=5.lRFrfL200B-10FF