Fisher Valve
Threaded Internal Valves
Features
- Patented rapid equalization bleed area
- Unique Serviceability Features
- Excess Flow Closure
- Back Check Feature
- Spring loaded polytetrafluoroethylene (PTFE) stub shaft packing
- PTFE wear pads Rulon® Bushings at critical wear points
- Manual, Cable, or Air Open/Close valve actuators
- Thermal Fusible links or plugs melt at 212 to 220°F / 100 to 104°C and allow valve closure in the event of a fire at the valve
Specifications
- Body Sizes and End Connection Styles:
Inlet: 2 or 3-inch MNPT / DN 50 or 80
Outlet: 2 or 3-inch FNPT / DN 50 or 80
- Maximum Allowable Inlet Pressure: 400 psig / 27.6 bar WOG
- Temperature Capabilities: -20 to 150°F / -29 to 66°C
- Approximate Weights:
2-inch Sizes / DN 50:
Type C477: 9 Pounds / 4 kg
3-inch Sizes / DN 80:
Type C477: 16 Pounds / 7 kg