Valworx 569803 high performance stainless steel butterfly valve for 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. Spring return actuators use an air pressure signal (80-120 PSI) to open and springs to close the valve. The valve will fail closed upon loss of air signal.
The valve is direct mounted to the actuator using the international standard ISO5211 mounting pad.
High Performance Butterfly Valve Standard Features
316 stainless steel (CF8M) bodyDouble offset design greatly reduces seal wear.17-4PH stainless steel, single piece shaftRPTFE valve seats and stem sealsHeavy duty, single piece cast and machined disc with integral mounting sleeveSpring-loaded seat cover for easier removal and replacement of valve seatIntegral ISO 5211 mounting pad eliminates additional mounting brackets
Pneumatic Actuator Standard FeaturesExtended cycle life (1 million cycles)Scotch yoke designHighly visible valve position indicatorType IP66 & IP68 weatherproofAnodized aluminum body with epoxy-polyester coversDry or lubricated airNamur & ISO mounting
Options (see Acccessories tab)
| Type | Air Actuated High Performance Butterfly Valve- Spring Return |
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| Pipe Size | 3 inch (DN80) |
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| Disc Size | 2.87 inches |
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| Suitable Flanges | ANSI /ASME B16.5 Class150, MSSSP44 Class 150, API605 Class 150, JIS B2212 10K, JIS B2212 16K |
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| Flow Factor | Cv 165 (Cv = number of GPM of 60 °F water at 1 psi pressure drop) |
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| Pressure Rating | 285 PSI (19.6 Bar), 29 inHg vacuum |
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| Valve Temperature Range | -20 to 500 °F (-29 to 260 °C) |
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| Actuator Temperature Range | -22 to 140 °F (-30 to +60 °C) |
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| Valve Body | 316 Stainless steel |
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| Disc | Single piece, machined 316 stainless steel |
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| Disc Seat/Liner | RPTFE |
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| Stem Packing | RPTFE |
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| Cycle Time | Approx. 0.9 seconds per 90° rotation |
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| Air Pilot Pressure | 80- 120 PSI |
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| Air Connections | 1/4" NPT (plus NAMUR pad for solenoid valve) |
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| Actuator Seals | NBR |
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