HG/T 20592  法兰 PL 150(B)-16 RF-63 RF740RF@.5RRF@AFF@5@F5-900RJ5FD1 Sch8@RF@�-0.6-200330 B=30 b="-300 R

PL 150(B)-16 RF-63 RF740RF@.5RRF@AFF@5@F5-900RJ5FD1 Sch8@RF@�-0.6-200330 B=30 b="-300 R

DN25/PN16/13B

WN 300-2500 RJ S=52

LWN 2"-150 RF

WN200-150 RF,Sch40s s=8

BI 12759

1 FF 300-1.0

IF 25-900 M

sW65b-150rf

WN50-16RF S=3.91�F7855h3470mpam1