HG/T 20592  法兰 PL 450(B)-16 RF b=8

PL450B-16RF b=8

3 M 400-1.00 R.-F.0/

DN100-PN100 WN M I/

SO 200(B)-16 RF b=5

BI1600

BII 4200

SO 100-150 RF

WN 2"-300 RF

BI 1500

PL 50(B)-16 RFRF Sch4040-16 RF Sch40SFF150 RF�0=6BI 1000RJ40SёВ°�PL RF Ⅱ50 RJ Sch80�0=120SF0 sch80f16 RF Sh0