... VALVE, GATE VALVE, CHECK VALVE,SQU- ARE/ROUND PENSTOCK, AIR REL- EASING VAL VALVE TYPE: BUTTERFLY VALVE,GATE VALVE, CHECK VALVE,SQU-ARE/ROUND PENSTOCK, AIR REL-EASING VALVE, GLOBE VALVE ... .MAIN MATERIAL: CAST IRON, DUCTILE CAST IRON, FORGED CARBON STEEL, CAST STEEL, ST-AINLESS STEEL. ... PNEUM-ATIC, ELECTRICSTANDARD: BS, AWWA, API, DINISO, JIS, GBOTHER SPECIAL VALVE ALSO AV-AILABLE ON APPLICATION OF ...