HG/T 20592  法兰 PL 90-6 FF/f400SLH4000-1A6

PL90-6 FF/f400SLH4000-1A6

WN80-10 RF

WN50A-10RFml=1FMT0f s=/u

BII 2500-m ,hg/t4S16f RJ SCH800.hF�

PL 50(B)-10 RF

WN 80-150 RFG0/0 RFb=65.0sRJ0000(B)195e40-B/5

WN 400(B)-16 RFF10Sch6.T

WN50-300 RF

pl100a-16RFRF6/

WN 8"-600 RF Sch40S605 REFrvF0�