HG/T 20592  法兰盖 BL 80-10 RF300 M4.500A RF.016p@°F5@PFRF-150 FF5RF2@

BL 80-10RF300 M4.500A RF.016p@°F5@PFRF-150 FF5RF2@

LWN 50-600 RF B=40

WN 1"-150 RF Sch40S

PL 65(B)-6 RF

SO 150(B)-10RF

WN -150 RF Sch1=600tpampampRFFJ S=34.5150 RF S=10s�j2@P2@Fj@5@F Sc�

WN 600-150 RF S=52RJ R

PL 150-25 RF b=3SCH4150rfRF/0p