Double Eccentric Butterfly Valve comes in 14-16 in. sizes.
November 3, 2009 -
Type 567 Butterfly Valve features double eccentric design with off-center shaft that allows disc to completely disengage from disc seal, even when partially open, minimizing seal friction to extend service life and reduce maintenance. Industry-standard ISO flange mount facilitates electric or pneumatic actuation with most actuators. Built for chemical compatibility, valve also features bi-directional capability, pressure rating of 90 psi at 70°F, and hand wheel.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
GF Piping Systems
2882 Dow Avenue
Tustin, CA, 92780-7258
USA
GF Piping Systems Expands Uniquely Designed Double Eccentric Butterfly Valve Size Offering to 16 Inches
TUSTIN, Calif. - Oct. 27, 2009 - GF Piping Systems has announced expansion of its large diameter size range for the Type 567 Butterfly Valve to include sizes 14-16". The new size range features a unique double eccentric off-center design and excellent chemical compatibility. Suitable applications include landfills where large size valves are required for drainage of underground leachate. Other applications include industrial water treatment, potable water treatment, swimming pools, water parks and waste water systems in such industries as chemical, chemical distribution, electroplating and power plants.
The 567 Valve's unique double eccentric design features an off-center shaft that allows the disc to completely disengage from the disc seal, even when partially open. This results in reduced seal friction for longer service life and minimal maintenance compared to non-eccentric valve styles. The double eccentric design requires only about half the torque of a traditional boot design, which decreases wear on the disc seal to further enhance product life. Other advantages of this design include easier manual operation, compatibility with smaller actuators for reduced installation cost, and better protection against pressure surges.
The new large size valve features industry-standard ISO flange mount for easy electric or pneumatic actuation with most actuators. Other features include bi-directional capability, pressure rating of 90 psi at 70°F, and hand wheel. The valve is available with either EPDM or FPM seals, 304 or 316 Stainless Steel stem, and a Polypropylene body
"The 14 and 16-inch valve sizes offer a broadening of application capabilities for our butterfly valve line," explains Brian Gordon, GF Piping Systems Product Manager. "And long service life and easy ISO flange mount, design engineers will find it an excellent choice for their valve requirements."
GF Piping Systems supplies a full range of plastic pipe, fittings, tubing, valves, actuators, rotameters, fusion machines, secondary containment, tank linings, heat exchangers, custom products, and sensors and instrumentation for industrial process control. For further information, please contact GF Piping Systems, 2882 Dow Avenue, Tustin, CA 92780-7258; Toll Free (800) 854-4090, Fax (714) 731-6923; e-mail: us.ps@georgfischer.com; Web: www.gfpiping.com
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