Asahi/America Type-57 butterfly valves are quarter turn valves with equal percentage type flow characteristics. 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 butterfly valve is well suited for a wide variety of fluid flow applications. Type-57 butterfly valves are NSF 61-G Certified and ABS product type approved for use in Marine and Offshore applications. Ideal applications for the Type-57 butterfly valve are: Isolation valves, control valves, chemical processing, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining and transportation. Note: Metal gears are offered in 12", 14" and 16" sizes, these valves are not recommended for operation in wet conditions.
Asahi/America Type-57 butterfly valves are available in the following sizes and materials:
- Lever sizes: 1-1/2" to 8"
- Gear sizes: 1-1/2" to 14"
- Body material options: PVC, PP and PVDF
- Seal material options: EPDM, FKM and Nitrile
- Disc material options: PVC, PP, PVDF and CPVC
