HG/T 20592  法兰 PL 200-10 FFm04Rpap0 S=7.1 fJFRJsRF@RF.105J000-R@Sch40ampam640SG444/105-A-2.5 RJ-

PL200-10FFm04Rpap0 S=7.1 fJFRJsRF@RF.105J000-R@Sch40ampam640SG444/105-A-2.5 RJ-

WN 25(B)-10 RF S=3

wn40-25rfs=5.

B WN 800-150 RF Sch40S

BL50-63 RF

WN 80-900 RJ

SO 250-150 FF

DN20-PN16 PL/P-A RF Ⅱ Sch10S

LWN500-900 RJ L=30

pl100(b)-16rfhg/t20592rfo