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WKT's double eccentric butterfly valve is a valve with specific design features. Its design ensures that the butterfly plate immediately leaves the valve seat when opening, reducing friction and wear. Double eccentric butterfly valves offer high flow and low-pressure drop, which makes them particularly suitable in applications where limited space is required or where there are legal or regulatory height or weight restrictions.
The double eccentric butterfly valve adopts a double eccentric design, where the centerline of the stem and the seat does not align with the centerline of the disc. This eccentric design reduces friction between the disc and the seat, improving the valve's service life and sealing performance.
1. Body Materials: Common materials include cast iron, carbon steel, stainless steel, etc., and suitable valve body materials can be selected based on different working conditions.
2. Rated Pressure and Diameter: The rated pressure range of the double eccentric butterfly valve is typically between several tens of megapascals to several hundred megapascals, and the rated diameter ranges from several millimeters to several meters.
3. Seat Materials: The seat of the double eccentric butterfly valve generally uses wear-resistant and corrosion-resistant materials such as polytetrafluoroethylene (PTFE) and ethylene propylene diene monomer (EPDM) to ensure excellent sealing performance.
4. Actuation Methods: The double eccentric butterfly valve can be actuated by manual, electric, pneumatic, and other means, allowing for the selection of a suitable actuation method based on actual needs.
5. Operating Temperature Range: The operating temperature range of the double eccentric butterfly valve is generally between -40℃ to +200℃, with the specific range depending on the choice of valve body and sealing materials.
6. Leakage Class: The leakage class of the double eccentric butterfly valve is typically zero leakage or a sealed leakage class, ensuring excellent sealing performance in the closed state.
- Reduced wear and tear: A significant advantage of double eccentric butterfly valves is reduced wear and tear. The double eccentric design ensures that the butterfly plate only contacts the valve seat when closing.
- Improved sealing capability: Sealing efficiency is another area where double eccentric butterfly valves excel. The design ensures that the disc seals tightly against the valve seat when closed, preventing leakage even in high-pressure and high-temperature applications.
- High flow and low-pressure drop: Double eccentric butterfly valves offer high flow and low-pressure drop, which makes them particularly suitable in applications where limited space is required or where there are legal or regulatory height or weight restrictions.
- Compact design: The double eccentric butterfly valve has a compact design, making it suitable for use in tight spaces
- Long service life and high-quality components: Due to continuous anti-corrosion protection and high-quality components, the double eccentric butterfly valve has a long service life.
The double eccentric butterfly valve is widely used in pipeline systems in industries such as petroleum, chemicals, pharmaceuticals, food processing, and water treatment to control the flow and pressure of media. Its reasonable design, compact structure, ease of installation and disassembly, convenient maintenance, and complete sealing and zero leakage characteristics make it an indispensable fluid control equipment in these industries.
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The leakage class of WKT's double eccentric butterfly valve is typically zero leakage or a sealed leakage class, ensuring excellent sealing performance in the closed state. Welcome to contact us.
WKT's double eccentric butterfly valve is a valve with specific design features. Its design ensures that the butterfly plate immediately leaves the valve seat when opening, reducing friction and wear. Double eccentric butterfly valves offer high flow and low-pressure drop, which makes them particularly suitable in applications where limited space is required or where there are legal or regulatory height or weight restrictions.
The double eccentric butterfly valve adopts a double eccentric design, where the centerline of the stem and the seat does not align with the centerline of the disc. This eccentric design reduces friction between the disc and the seat, improving the valve's service life and sealing performance.
1. Body Materials: Common materials include cast iron, carbon steel, stainless steel, etc., and suitable valve body materials can be selected based on different working conditions.
2. Rated Pressure and Diameter: The rated pressure range of the double eccentric butterfly valve is typically between several tens of megapascals to several hundred megapascals, and the rated diameter ranges from several millimeters to several meters.
3. Seat Materials: The seat of the double eccentric butterfly valve generally uses wear-resistant and corrosion-resistant materials such as polytetrafluoroethylene (PTFE) and ethylene propylene diene monomer (EPDM) to ensure excellent sealing performance.
4. Actuation Methods: The double eccentric butterfly valve can be actuated by manual, electric, pneumatic, and other means, allowing for the selection of a suitable actuation method based on actual needs.
5. Operating Temperature Range: The operating temperature range of the double eccentric butterfly valve is generally between -40℃ to +200℃, with the specific range depending on the choice of valve body and sealing materials.
6. Leakage Class: The leakage class of the double eccentric butterfly valve is typically zero leakage or a sealed leakage class, ensuring excellent sealing performance in the closed state.
- Reduced wear and tear: A significant advantage of double eccentric butterfly valves is reduced wear and tear. The double eccentric design ensures that the butterfly plate only contacts the valve seat when closing.
- Improved sealing capability: Sealing efficiency is another area where double eccentric butterfly valves excel. The design ensures that the disc seals tightly against the valve seat when closed, preventing leakage even in high-pressure and high-temperature applications.
- High flow and low-pressure drop: Double eccentric butterfly valves offer high flow and low-pressure drop, which makes them particularly suitable in applications where limited space is required or where there are legal or regulatory height or weight restrictions.
- Compact design: The double eccentric butterfly valve has a compact design, making it suitable for use in tight spaces
- Long service life and high-quality components: Due to continuous anti-corrosion protection and high-quality components, the double eccentric butterfly valve has a long service life.
The double eccentric butterfly valve is widely used in pipeline systems in industries such as petroleum, chemicals, pharmaceuticals, food processing, and water treatment to control the flow and pressure of media. Its reasonable design, compact structure, ease of installation and disassembly, convenient maintenance, and complete sealing and zero leakage characteristics make it an indispensable fluid control equipment in these industries.
——
The leakage class of WKT's double eccentric butterfly valve is typically zero leakage or a sealed leakage class, ensuring excellent sealing performance in the closed state. Welcome to contact us.
