HG/T 20592  法兰 PL 500-16 RF D=710 B=505 d=584.2 K=635 L=32 C=43 b=4

PL500-16RF D=710 B=505 d=584.2 K=635 L=32 C=43 b=4

WN 80-100 RF

BL 450-25 RF

BL 100-900 RJ

PL 400(B)-25 RF

PL300B-16RF b= C=30.5 f1=¤5 h=1/79d=2atic.

LWN 40-150 RF S

WN 3"-300 RF Sch40S

WN 2"-600 RF Sch10S

WN 40(B)-25 RF S=4=SF´1=12F(B)