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Seat Materials
Buna-N
Black Neoprene
Hypalon®
EPT
Viton®
Natural Rubber

 Demco Butterfly Valves

Demco valves are suited for a wide range of applications in many industries. Sizes from 2" to 36". Bodies include lug and wafer design. They come in short and long neck bodies. The long neck provides clearance for a full two inches of insulation. All Demco butterfly standard valves come with bronze bushings, hard backed cartridge seats, blowout proof stems, and integral flange seals. Irish also carries a full line of trim components for Demco valve
Demco Butterfly Valve
Demco Butterfly Valve
Disc Materials
Ductile Iron/Nickel Plated Ductile Iron/SS Edge
Aluminum Bronze
316 Stainless Steel
Monel (TM)
Hastelloy C (TM)
Alloy 20
PVF-Coated Ductile Iron

 

 
Demco Valves with El-O-Matic Actuators
Automated Demco Valves

Other accessories

  • Stem Extensions
  • Gear Operators
  • Actuators
  • Limit Switches
  • 3-Way assemblies
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Fax us at 251-661-0749


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