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You are here: Home / Components / New Large Diameter Butterfly Valves Up To 24 Inches

New Large Diameter Butterfly Valves Up To 24 Inches

August 27, 2010 By admin

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large diameter butterfly valves from GF PipingGF Piping Systems has announced expansion of its large diameter size range for the Wafer Style Type 567 Polypropylene Butterfly Valve to include sizes 14 to 24 inch. This completes the large diameter size offering of 12 to 24 inch and broadens suitability for a wider range of applications. Like the proven smaller sizes in the series, the new larger sized valves feature the double eccentric design, corrosion resistance and complete modularity for easy interchangeability.

The Type 567’s double eccentric off-center design allows the disc to completely disengage from the disc seal, even when partially open. This separation between disc and seal reduces friction and wear for longer service life and minimizes maintenance compared to non-eccentric valves. Additionally, the double eccentric design requires only about half the torque of a traditional boot design, which also reduces wear on the disc seal to further enhance product life. Other advantages of the design include easier manual operation, compatibility with smaller actuators for reduced installation cost and better protection against pressure surges.

These butterfly valves weigh approximately 50 percent less than comparable metal butterfly valves thereby providing easier and faster installation and lower costs. The new large dimensions provide high nominal pressures for increased operation safety. Pressure ratings at 70F are 90 psi for sizes14 to 16 inch, 75 psi for size 18 inch, and 60 psi for sizes 20 to 24 inch. Other features include industry-standard ISO flange mount for easy electric or pneumatic actuation, bi-directional capability and hand wheel. The valve is available with either EPDM or FPM seals, 304 or 316 stainless-steel stem and a Polypropylene body.

www.us.piping.georgefischer.com

Filed Under: Components, Valves Tagged With: butterfly valves, GF Piping, piping systems

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