... , AIR REL- EASING VAL VALVE TYPE: BUTTERFLY VALVE,GATE VALVE, CHECK VALVE,SQU-ARE/ROUND PENSTOCK, AIR REL-EASING VALVE, GLOBE VALVE, FOOT VALVE, "Y"TYPE STRAINER ... , FORGED CARBON STEEL, CAST STEEL, ST-AINLESS STEEL. BRASSSEALING TYPE: NON-METAL TO METAL, METAL TO METALDRIVING TYPE: MANUAL, PNEUM-ATIC ...