Butterfly Valves are available in Manual, Air Actuated, or Air Actuated with two Micro switches and a Solenoid Valve. Clamp or Weld ends are standard. Other connections are available upon request. Available seat materials include Silicone, Viton®, and EPDM. Sizes range from 1˝ through 4˝. All product contact surfaces are available in either T304 or T316 stainless steel.