GB/T 29465  法兰 RF 500-0.6=300-1

pl50-6rff005f1=300 R

5 RF 500-0.6=300-1

PL400(B)-40 RJ/u0083/500rf00 RF

WN40(B)-100 RF-1.€™2/-1F

WN 150(A)-10 RF S=3.4

1RF 600-1.0 δs=6

DN500-PN10 PL/C RF Ⅱ

3fm500-6.4 S=3

LWN 50-150 RF B=52 H=275

WN 20(B)-16 RF Sch40S S=2.9S S=3.68 H=2680 sch