New and improved butterfly valves

Chemline elastomer seated butterfly valves have been improved. The new Type 57 replaces Type 56 up to 14 in and the Type 57 body, disc and seat have been redesigned to offer better flow characteristics and lower torques. With the improvements, stem torques are unaffected by excessive flange bolt torques. New frp gear operators are available and valves up to 16″ have top flange with standard ISO 5211 mounting platform and shaft dimensions for easy actuation. A large selection of body, disc and seat materials permit these valves into a wide range of on/off and throttling control applications. Coming in sizes up to 24 inc., the Type 57 has easy actuator mounting and is NSF61 certified. Full stainless steel lug bodies are available as an option.
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