Dwyer, W.E. Anderson Hi-Flow™ control valves are pneumatic operated, single seated, globe valves for use with controllers to regulate the flow of steam, water ,oil gas etc. The Hi-Flow™ valve can fit applications with a smaller size since the valve has a greater flow capacity than most conventional valves of the same size. Coupled with the high flow capacity, the Hi-Flow™ valve maintains a wide rangeability of 50:1 to insure precise control. Heavy duty Hi-Flow™ valves are ruggedly constructed of the highest quality materials, precision machined, and performance tested to assure years of trouble free service. Standard packing consists of Teflon® V-rings and wiper to minimize friction without leakage at high operating pressures. Available in brass, iron, 316 SS body, trim is 316 SS with all welded plug construction provide superior durability and corrosion resistance.