Fisher™ Types C891系列內閥-費希爾Fisher
Fisher C891 Series Internal Valves are typically used on the inlets and outlets of transport trucks and on large stationary storage tanks. These valves are serialized for the service specified with the order. The valves can be used on other compressed gases, but the user should check with the factory to make sure the valve materials are suitable for the intended service.
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
- Body Sizes and End Connection Styles (inlet x outlet)
- Inlet: 2 or 3-inch CL300 RF Flanged
Outlet: 2 or 3-inch CL300 RF Flanged
- Maximum Allowable Inlet Pressure
- 500 psig / 34.5 bar WOG
- Temperature Capabilities
- -20 to 160°F / -29 to 71°C
- Approximate Weights
- 2-Inch / DN 50: 20 Pounds / 9 kg
3-Inch / DN 80: 32 Pounds / 15 kg
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