Best Price, GOST/ANSI/DIN/GB, Ss/CF8/CF3/Wcb Customizable Fluorine Lined Butterfly Valve

• Media: Gas and Fluid
• Driving Mode: Manual, Worm Gear
• Connection Form: Flange
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Model NO.: DA371F46
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Standard: API, GOST
• Application: Industrial Usage
• Transport Package: Packaged
• Trademark: GAIRUI
• Origin: Wenzhou
• HS Code: 8481804090

Product Description

Butterfly Valve is a kind of regulating valve with simple structure, which can be used for on-off control of low-pressure pipeline medium.
Butterfly valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. It mainly plays the role of cutting and throttling on the pipeline. The butterfly valve opening and closing part is a disc-shaped butterfly plate, which rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment.

Advantages of Fluorine lined valve:

1. Low fluid resistance, fluorine lined ball valves are the least fluid resistance among all valve types, even for reduced diameter ball valves, their fluid resistance is relatively small.

2. The thrust bearing reduces the friction torque of the valve stem, which can make the valve stem balance and flexible for long-term operation.

3. The sealing performance of the valve seat is good, and the sealing ring made of materials such as polytetrafluoroethylene is used. The structure is easy to seal, and the sealing capacity of the fluorine lined ball valve increases with the increase of medium pressure.

4. The sealing of the valve stem is reliable. As the valve stem only rotates without lifting, the packing seal of the valve stem is not easily damaged, and the sealing capacity increases with the increase of medium pressure.

5. Due to the good self-lubrication of materials such as polytetrafluoroethylene, the friction loss with the ball is small, and the service life of fluorine lined ball valves is long.

6. The bottom mounted valve stem and the convex step of the valve stem head prevent the valve stem from spraying out. If a fire causes damage to the valve stem seal, metal contact can also be formed between the convex step and the valve body to ensure the valve stem seal.