Fisher Types C471 and C477 Jet Bleed Internal Valves
Rp123000.00
Product Description
The Fisher C471 and C477 Jet Bleed Internal Valves are commonly used on the inlets and outlets of bobtail trucks, transport trucks, and large stationary storage tanks. They can also be installed in-line for various applications. These valves are designed for use with propane, butane, or NH3 at ambient temperatures. They may also be used with other compressed gases, but it is recommended that users verify compatibility with the factory before use with non-specified gases.
Key Features
Rapid Equalization Bleed Area: Designed to provide quick pressure equalization.
Unique Serviceability Features: Easy maintenance and reliable performance.
Excess Flow Closure: Automatically closes in case of excessive flow, ensuring safety.
Back Check Feature: Prevents reverse flow to protect the system.
Spring-loaded PTFE Stub Shaft Packing: Ensures tight sealing and durability.
PTFE Wear Pads & Rulon® Bushings: Provide reliable performance and reduce wear at critical points.
Flexible Actuators: Available with manual, cable, or air open/close actuators.
Thermal Fusible Links/Plugs: Melt at 212 to 220°F / 100 to 104°C to allow valve closure in case of fire.
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 (Water, Oil, Gas).
Temperature Capabilities:
-20 to 150°F / -29 to 66°C.
Approximate Weights:
2-inch Sizes / DN 50:
Type C471: 11 lbs / 5 kg.
Type C477: 9 lbs / 4 kg.
3-inch Sizes / DN 80:
Type C471: 21 lbs / 10 kg.
Type C477: 16 lbs / 7 kg.
Applications
The Fisher™ C471 and C477 Jet Bleed Internal Valves are ideal for use in transport and storage tank applications, ensuring safe and efficient handling of propane, butane, and NH3 in various industrial environments. They are especially useful for applications requiring excess flow closure and pressure equalization.
