Type 567 and 568 Butterfly valves

GF Piping Systems has introduced the new chemically resistant Type 567 and 568 Butterfly Valves in large diameter sizes up to 8 or 12in, depending on the model. The new valves feature a disc and liner made of PVDF (polyvinylidene fluoride) and PTFE (polytetrafluorethylene) seals that offer chemical resistance and performance capabilities across a wide temperature range. Suitable applications include chemical processing, chlorine electrolysis, chemical production, and sanitization in markets such as food and beverage, pulp and paper, and steel production. Available in two styles, the Type 567 Wafer style is available in sizes 2in-12in and is manufactured with glass-filled polypropylene compatible with ANSI and DIN flanges. The Type 568 Lug style valve is available in sizes 2in-8in and is constructed of epoxy powder coated ductile iron with ANSI 150 bolt pattern. Both valves provide an operating temperature range of -20 to 120C and can be electrically or pneumatically actuated. Other features include bi-directional capability and a high psi rating of 150. The Type 567 and Type 568 Valves meet international standards of DIN EN ISO 16136, ISO 9393, and EN 558. Approvals include DIBt, ACS, TA Luft, KTW approval for drinking water. NSF61 approval is pending.
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