“BUTTERFLY VALVE
STANDARD:10080 HD531-1-QTQN
DN:80;MATERIAL: N.C IRON , WT:7.5 KG”
“WAFER BUTTERFLY CHECK VALVE                     STANDARD:10080 HDJV17-00-1-QTQN
DN: 80;MATERIAL: N.C IRON ,WT: 6.0 KG”
“WAFER BUTTERFLY CHECK VALVE
STANDARD:10080 HDJV17-00-1-QTQN
DN:80;MATERIAL: N.C IRON,WT: 22.7 KG”