Plastic Butterfly Valves

Aug. 27, 2010
Plastic Butterfly Valves
Type 57LIS provides for easy direct replacement of metallic butterfly valves and conforms to ISO-5752 short face-to-face dimensions. It directly replaces metallic butterfly valves without any modification to the existing piping system. Standard models are supplied as wafer-style for installation between two flanges or factory-equipped with 316 stainless-steel lugs for end-of-line applications.