ZHANGJIAGANG GREENS.ZYC1.2/0.6-0.6.BS3-6050-CB304-92 “SAFETY VALVE NO.129,
ITEM NO.2SV-129; PRESS.-2.5MPA; BORE-50MM; CAST IRON;
VALVE STANDARD NO.BS3-605
E/R STEAM HEATING PIPING DIAGRAM; Q84.4194B.475.02F;PAGE-11 “