Asahi/America - Model Type 57IL - Isolator Lug Butterfly Valve
From Butterfly Valves
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:
Ideal Applications Include:
Isolation valves, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation
Features and Benefits:
- 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
Inventory
- Current inventory of T-57L to be depleted by 8/1/11
- New inventory of T-57IL to begin shipping 8/1/11
Materials
- 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®‡
Typical Applications
- Chemical Processing
- Water & Wastewater
- Landfills
- Irrigation
- Food Processing
- Mining
Downloads related to this product
Type 57IL Isolator Lug Thermoplastic Butterfly Valves - Datasheet
Type 57IL Isolator Lug Thermoplastic Butterfly Valves – Manual
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