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Asahi/America - Model Type 57IL - Isolator Lug Butterfly Valve

- Model Type 57IL - Isolator Lug Butterfly Valve

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Type-57 IL plastic butterfly valves are quarter turn valves designed for use in applications where 1-side flange removal may be periodically required. They feature a PVC body with fully molded in 316SS threaded lug inserts for connection to the mating flanges. Type-57 IL butterfly valves permit one side flange removal, while maintaining full line pressure on the opposite side. They provide moderate flow control and therefore can be used for both on/off and modulating service. Good tolerance to suspended solids but not recommended for use with slurries or debris. The Type-57 IL butterfly valve is well suited for a wide variety of fluid flow applications. Can be pneumatically or electrically actuated.

Ideal Applications Include: 

Isolation valves, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation

  • Standard model (3' — 12') has PVC Body and PP Disc for superior chemical resistance and elevated temperature capabilities
  • Our 316 stainless steel stem has full engagement over the entire length of the disc and is a non-wetted part, totally isolated from the media
  • Only solid and abrasion-resistant plastic disc and elastomeric liner are wetted parts
  • ISO bolt circle on top flange– no body or stem modifications required for accessories
  • Stem retainer-PP retainer to prevent stem removal
  • Seat over tightening protection-molded body stops and seat stress relief area
  • Spherical disc design offers increased Cv, ultimate sealing and high cycle life
  • 316SS Factory Lugs
  • Plasgear gear operators for 3'– 12' standard

  • Current inventory of T-57L to be depleted by 8/1/11
  • New inventory of T-57IL  to begin shipping 8/1/11

  • Sizes: Lever: 3' - 8'
  • Gear: 8' - 12'
  • Models: Lug style
  • Operators: Lever and gear
  • Body: PVC
  • Discs: PVC, PP and PVDF
  • Seats: EPDM, FKM and Nitrile®
  • Seals: EPDM, FKM and Nitrile®
  • Stems: 316 stainless steel, titanium, Hastelloy C®‡

 

  • Chemical Processing
  • Water & Wastewater
  • Landfills
  • Irrigation
  • Food Processing
  • Mining

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