All-plastic lug style butterfly valve
March 2, 2015
GF Piping Systems has introduced the second generation 5-series Lug Style Butterfly Valves. The Type 578 valve offers excellent corrosion resistance with long service life and is 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 unique “double eccentric” design rather than the traditional “boot style” design. The industry-tested double eccentric 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.
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