HG/T 20592  法兰盖 BL 20(B)-16 RF´=100 h=200CH40=128C=21/u0092/u0M

BL20(B)-16 RF´=100 h=200CH40=128C=21/u0092/u0M

SO 10" -16 RF

BL 1000-100 M1125 S/

WN150(B)-300RJ/

SO65(B)-25 RF RF

SW1-2/1"-300 RF)-10

pl125(a)-16 ff a1)FS=6.3√RF00 R

SO 8" -16 RF

B WN 1000-150 RF

WN80B-100M s=6/ Sch60M53600-1.6=4