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Asahi/AmericaModel Type-55 -Manual Plastic Butterfly Valves

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Type-55 butterfly valves are quarter turn plastic valves with equal percentage type flow characteristics. They provide moderate flow control and therefore can be used for both on/off and modulating service. The Type-55 butterfly valve features an epoxy powder coated ductile cast iron body with PTFE disc and Liner. The Type-55 is designed for use in applications where conventional rubber liners and thermoplastic discs would fail. Can be pneumatically or electrically actuated. Ideal Applications Include: Isolation valves, control valves, chemical processing, mining.

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  • Highly corrosion resistant PTFE disc and seat
  • Epoxy powder coated ductile iron body for corrosive atmosphere or environments
  • Strong but thin disc with high Cv value
  • Stainless steel stem has full engagement over the entire length of the disc and is a nonwetted part, totally isolated from the media
  • Only PTFE disc and PTFE seat are wetted parts
  • Bubble-tight shut-off
  • Rated for full vacuum service
  • Locking device
  • 18 position throttle plate for lever handle style
  • Size: 2" – 10"
  • Bodies: Epoxy powder coated ductile cast iron
  • Seats: PTFE backed with Neoprene®† † Trademark of E.l. du Pont de Nemours and Company
  • Seals: Same as seating material
  • Models: Wafer Style
  • Operators:
  • Lever: 2" - 5"
  • Gear: 2" - 10"
  • Discs: PFTE
  • Stems: Stainless steel 304
  • Pneumatic and electric actuators and accessories
  • 2" square nut on valve stem
  • 2" square nut on gear
  • Manual limit switches
  • Gear operators for 2" - 5"
  • Stem extensions (single stem and two-piece)
  • Chain operators
  • Chemical Processing
  • Water & Wastewater
  • Landfills
  • Irrigation
  • Food Processing
  • Mining