HG/T 20592  法兰 WN 65(B)-160 RF S=5

PL350(B)-25RF b15B-16R

WN65(B)-160 RF S=5

SO 40-150 RF15-10 RFCH

BL500-6 RFF6RFR7δ=

WN 15-10 RFFb6f/D=1)0Ab)-

DN 150×65-Ⅱ-10 RC/F

WN80-300 RF B=82.570 B=100 LSc40.0100

WN400-900RF08 RFsch10s-1000-4 DN=800 δn-1.

DN500/PN10/01Aδs=60RFSsch3

3 A