GB/T 9124.1  法兰 DN20-PN10 PL RF Ⅰ D=100.

DN20-PN10 PL RF D=100.

wn40(b)-160mî´=6r=jmx16

wn50-300rfsch40RFRFs=3.91 WN1000-150 RF=62 N=65 K=107f5

1 RF 650-1.0 δs=5

bl 80-150 RF

PL 40(B)-6 RF

PL 100(B)-16 RF

WN 50-150 RF S=5

LWN 25-150 RF

BL50(B)-40 RF16 M S=100(A)-40 RF10-0.6/1h40-R06RJ0f