Pneumatic cylinder

stainless steel

High quality stainless steel pneumatic air actuator specifically for Valtorc brand knife gate valves are offered in bore sizes up to 20". Rod wiper technology stops dust and other particles from entering the cylinder. Seals and packing include strong U and O rings rated up to 450F. Pneumatic Cylinder (For Knife Gate Valves) •Bore size from 3 1/4 to 12”: Heavy wall steel tubing with a polished chrome plated interior for better durability. •Bore size from 14” to 20”: Thermoset fiber reinforced composite, specially designed for cylinder tubing for weight reduction and corrosion resistance. •High carbon content steel SAE 1045, ground, polished and chrome plated. •Bore size from 3 1/4 to 12”: Made from STAINLESS STEEL to limit corrosion. •Bore size from 14” to 20”: High strength steel barstock along with zinc plated steel nuts (Grade 5) •Bore size from 3 1/4 to 8”: Numerically controlled machined from high strength aluminum barstock. •Bore size from 10” to 20”: Made from mild steel. A wear strip is added on the outside diameter to protect the tube and assure a perfect fit.