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D641F46Pneumatic flange type fluorine lined butterfly valve

  • Profile:

    D641F46The pneumatic flange type fluorine lined butterfly valve adopts PTFE lining butterfly plate with spherical sealing surface. The valve is easy to operate, tight sealing performance and long service life. It can be used for quick cutting off or regulating flow. It is suitable for the occasions requiring reliable sealing and good regulating characteristics. The valve body adopts the split type, and the sealing at both ends of the valve shaft is controlled by adding fluorine rubber to the rotating base surface between the butterfly plate and the valve seat to ensure that the valve shaft does not contact with the fluid medium in the cavity. It is widely used in the transportation of liquid and gas (including steam) in various types of industrial pipelines, and the use of severe corrosive media, such as sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, strong alkali, aqua regia and other strong corrosive media.

Product introduction

 

Product overview

   D641F46The pneumatic flange type fluorine lined butterfly valve adopts PTFE lining butterfly plate with spherical sealing surface. The valve is easy to operate, tight sealing performance and long service life. It can be used for quick cutting off or regulating flow. It is suitable for the occasions requiring reliable sealing and good regulating characteristics. The valve body adopts the split type, and the sealing at both ends of the valve shaft is controlled by adding fluorine rubber to the rotating base surface between the butterfly plate and the valve seat to ensure that the valve shaft does not contact with the fluid medium in the cavity. It is widely used in the transportation of liquid and gas (including steam) in various types of industrial pipelines, and the use of severe corrosive media, such as sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, strong alkali, aqua regia and other strong corrosive media.

Product features

1. The design is novel, reasonable, unique in structure, light in weight and quick in opening and closing.
2. Small operating torque, convenient operation, labor saving and dexterous.
3. It can be installed in any position and easy to maintain.
4. The sealing element can be replaced, the sealing performance is reliable, and the two-way sealing is zero leakage.
5. The sealing material has the characteristics of aging resistance, corrosion resistance and long service life.

Actuator

New series of at type pneumatic actuators are adopted, including double acting type and single acting type (spring return type), gear transmission, safe and reliable; large diameter valve adopts aw type pneumatic actuator fork type transmission with reasonable structure and large output torque, including double acting type and single acting type. Its main features are as follows:
1. Gear type double piston, large output torque and small volume.
2. The cylinder is made of aluminum and gold, light in weight and beautiful in appearance.
3. Manual operation mechanism can be installed at the top and bottom.
4. Rack connection can adjust opening angle and rated flow.
5. The actuator can be equipped with live signal feedback indication and various accessories to realize automatic operation.
6. Is05211 standard connection provides convenience for product installation and replacement.
7. The adjustable range of 0 ° and 90 ° of standard product can be ± 4 ° by the adjustable joint screw at both ends. Ensure the synchronization accuracy with the valve.

Options for attachments

The following accessories can be selected according to different control and requirements:
Cut off type accessories: single electric control solenoid valve, double electric control solenoid valve, limit switch feedback device.
Adjustable accessories: Electric positioner, pneumatic positioner and electric converter.
Air source treatment accessories: air filter pressure reducing valve, air source treatment triple piece.
Note: for the corrosion resistance of rubber lined valve, refer to the corrosion resistance table of various chemical media of rubber lined valve.

Standards adopted

Design standard: GB / t2238-1989
Flange connection size: GB / t9113.1-2000; GB / t9115.1-2000; jb78
Structural length: GB / t12221-1989
Pressure test: GB / t13927-1992; JB / t9092-1999

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