GB/T 9124.1  法兰 DN50-PN25 PL RF Ⅰ .80(B)c

DN50-PN25 PL RF I.80(B)c

SO 50(B)-16 RF

PL100(B)-16 RF

WN 8"-1500 RF

WN80-300 RF Sch160205=2755.

LWN2"-150 RF B=53

WN 150-300 RF Sch80

1 RF 300-1.016/RFÂL

1 RF450-0.6

SO 100(B)-25 M7.5u008F40 S=900@RF std�40S0.40(lMfScom1Mfs2@2500F@.5 RJ