Quarter-turn plastic butterfly valves conforming to ISO-5752 short pattern face-to-face dimensions. Direct replacement for metal valves with equal percentage flow characteristics and dual service capability.
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ISO-5752 short pattern compliance for seamless upgrades
Type-57LIS conforms to ISO-5752 short pattern face-to-face dimensions, allowing direct replacement of metal butterfly valves conforming to the same standard. Available in ANSI B16.5 wafer or lug models with 316SS drop-in lug inserts for easy installation.
Conforms to ISO-5752 short face-to-face dimensions for direct replacement of existing metal valves.
316 SS stem with full disc engagement is completely isolated from media for extended service life.
Isolates body and stem from media while acting as mating flange gaskets.
Integral body stops prevent overtightening of mating flanges during installation.
Improved Cv and superior durability through advanced spherical disc geometry.
Integral locking lever handle with 21 position throttling plate for precise control.
Industry-first composite enclosure gear operator for smooth and reliable operation.
Integral ISO-5211 top mounting pad for easy actuation mounting without modifications.
Polypropylene stem retainer prevents accidental stem removal during operation.
Direct replacement for metal valves - no piping modifications required thanks to ISO-5752 compliance.
PVC body with PP disc provides excellent chemical and corrosion resistance plus elevated temperature capabilities.
Suitable for both on/off and modulating service with moderate flow control.
Good tolerance to suspended solids for versatile water treatment applications.
Available in ANSI B16.5 wafer or lug models with 316SS drop-in lug inserts.
Integral features and standard dimensions simplify installation and reduce downtime.
Multiple actuation solutions for every application
Download datasheets, dimensional guides, and complete specifications
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