Author:     Published time:2016-12-26 17:04     Reading times:919    

In response to market needs for all-plastic lug style butterfly valve, GF Piping Systems introduced the second-generation 5-Series Valve. The Type 578 valve is designed for corrosion resistance and long service life and be available in manual, electric and pneumatic actuated versions. 

Constructed of a glass filled polypropylene (PP) outer housing with overmolded SS316 lugs, the 578 valve incorporates a  "offset" design rather than the traditional "boot style" design of other plastic lug style valve on the market. The industry-tested offset design allows the disc to completely disengage from the disc seal during operation, reducing friction and component wear to provide longer service life without sacrificing the valve's sealing ability. The eccentric principle requires only half of operating torque (over boot styles) and is not susceptible to elastomer swelling over time. The truly non-wetted shaft provides maximum protection against leak out and shaft corrosion. The valve is a good fit for applications in aquatic life support, water parks/pools, chemical process and water treatment markets.

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