4" High Performance Butterfly Valve, Wafer, All Stainless, Spring Return
Stock #
579704
Series
5797
List Price: $1,806.56
Price: $1,445.25
- Buy 3 for $1,300.72 each and save 10%
Usually Ships: Same Day
Valworx 579704 high performance stainless steel butterfly valve for control of air, oil and other media in corrosive environments. 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 Features316 stainless steel (CF8M) body Double offset design greatly reduces seal wear. 17-4PH stainless steel, single piece shaft RPTFE valve seats and stem seals Heavy duty, single piece cast and machined disc with integral mounting sleeve Spring-loaded seat cover for easier removal and replacement of valve seat Integral ISO 5211 mounting pad eliminates additional mounting brackets
Pneumatic Actuator Standard Features316 Stainless steel body, pistons and pinion IP66 enclosure rating suitable for washdown applications Extended cycle life (1 million cycles) Quarter turn rack & pinion design Highly visible valve position indicator Dry or lubricated pilot air Factory lubricated for normal life Namur & ISO mounting
Options (see Accessories tab)
The valve is direct mounted to the actuator using the international standard ISO5211 mounting pad.
High Performance Butterfly Valve Standard Features
Pneumatic Actuator Standard Features
Options (see Accessories tab)
| Actuator Body/Pistons/Pinion | 316 Stainless Steel |
|---|---|
| Actuator Seals | NBR |
| Actuator Temperature Range | -4 to 176°F (-20 to 80°C) |
| Air Connections | 1/4" NPT (plus NAMUR pad for solenoid valve) |
| Air Pilot Pressure | 80-120 PSI (5.5- 8.3 Bar) |
| Cycle Time | Approx. 2/1 seconds (open/close) per 90° rotation |
| Disc | Single piece, machined 316 stainless steel |
| Disc Seat/Liner | RPTFE |
| Disc Size | 3.78 inches |
| Enclosure Rating | Type 4X (IP66) weatherproof |
| Flow Factor | Cv 400 (Cv = number of GPM of 60 °F water at 1 psi pressure drop) |
| Pipe Size | 4 inch (DN100) |
| Pressure Rating | 285 PSI (19.6 Bar), 29 inHg vacuum |
| Stem Packing | RPTFE |
| Suitable Flanges | ANSI /ASME B16.5 Class150, MSSSP44 Class 150, API605 Class 150, JIS B2212 10K, JIS B2212 16K |
| Type | Air Actuated Stainless Steel, Spring Return |
| Valve Body | 316 Stainless Steel |
| Valve Temperature Range | -20 to 500 °F (-29 to 260 °C) |
