HG/T 20592  法兰 PL 80(B)-160 RFt9F SCH40S7.5

PL 80(B)-160RFt9F SCH40S7.5

BL500(B)-16 RF

1 RF 700-1.0 δs=10

WN 20-300 FM S=1.65

LWN20-2500 RF Sch80HpampampmpR@SMTh40S@�0 RF�SM0MAFF Sc000Sh

SO 24"-150 RF

SO 600-150 RF

LJ 350(B)-6 RF��2.5 RF

BL20-150 RF0RM00b=hRFF040

WN150(B)-900RJrf