Valworx 569004 high performance stainless steel butterfly valve for on-off control of air, oil and other media compatible with the materials of construction. Wafer style valve sandwich mounts between customer supplied ANSI /ASME Class 150 and other international standard flanges and gaskets. High quality 316 stainless steel (CF8M) body for excellent corrosion resistance. Reinforced Teflon (RPTFE) disc seat for expanded temperature range. Double offset design greatly reduces seal wear. Heavy-duty, single piece cast and machined 316SS disc with integral mounting sleeve. Adjustable stem packing without loading seats. Standard ISO5211 top mounting allows for easy air actuator, electric actuator or manual handle installation. This valve is a bare stem direct mount design. Optional hand levers and gear operators are available separately.
4 inch wafer design
ANSI /ASME B16.5 Class150, MSSSP44 Class 150, API605 Class 150, JIS B2212 10K, JIS B2212 16K
Cv 400 (Cv = number of GPM of 60 °F water at 1 psi pressure drop)
29 inHg vacuum to 285 PSI
-4 to 500 °F (-20 to +260 °C) - See P/T curve
316 Stainless steel
Single piece, machined 316 stainless steel
ISO5211, F07, 11mm square stem
Handwheel Gear Operator for High Performance Butterfly Valves
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