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New Products / Valves & Actuators / Check / GF Piping Systems / GF Piping

Cone Check Valves

February 11, 2013
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GF-Piping-type-561-cone-check-valveGF Piping Systems' next generation Type 561/562 Cone Check Valve and the Type 591/595 Vent and Bleed Valve Series feature a spherical cone shape design that offers improved flow characteristics and leak-proof operating performance. Available in sizes from 3/8-inch to 4 inches, customers can select from PVC, CPVC, PROGEF Standard, Polypropylene, SYGEF® PVDF or ABS materials to match their plastic piping system. Sealing materials are available in EPDM and FPM. The Type 561 and Type 562 Cone Check Valves incorporate the latest in check valve technology to provide enhanced safety, simplified handling and increased efficiency. Several design elements are at the core of its higher performance operation. The valve’s aerodynamic, spherical shaped cone ensures tight closing and 100 percent leak-proof operation. The cone’s double bearing prevents it from tilting, even with rapid closing and eliminates malfunctions. Additional benefits of the valve’s spherical cone include improved Cv values over standard ball-type check valves and minimized cleaning and servicing due to the smallest possible contamination surface. For maximum versatility, the Type 562 Valve version incorporates an integrated stainless steel spring (other material options available) for horizontal installation while maintaining its 100% leak tightness and operating pressure rating of 2.9 PSI. The Type 561 Valve (without spring) is mounted vertically and features 100% leak-tightness at a water column of six feet with 2.9 PSI. The valves are self-closing by means of the existing pressure exerted by the medium. This eliminates the need for another energy source for opening or closing, offering improved operating efficiency. The valve’s smooth transition and radii result in a higher flow rate (compared to conventional check valves) and less wear and tear, less pressure loss and reduced maintenance. Other design features include a cone guide that prevents jamming, a fixed gasket that eliminates slipping, bending or gasket erosion; and a union that allows for easy replacement or maintenance in the field. Customers can select from solvent cement socket, NPT thread, socket and IR fusion joining methods.

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