Fleyenda electrically actuated butterfly valve disc material and stem material are cast iron, CF8, and CF8M. Designed to withstand explosion risks, this valve provides exceptional safety measures. This valve is suitable for industrial settings to regulate the flow of liquids and gases.
Applicable Medium: Water, Liquids, Gas, Oil, Powder, Steam, Acid-base Corrosive Medium.
Fleyenda flange plastic electric butterfly valve is a dependable and cost-effective option for companies that require medium to large pipe diameters as well as chemical resistance for efficient flow control. This valve is made of high-quality plastic materials such as PVC, CPVC, PPG, FRPP, PPH, PP-R, ABS and PE. It has outstanding corrosion and chemical resistance, making it appropriate for use in industries such as water and wastewater treatment, chemical processing, and irrigation systems.
The Fleyenda electric butterfly valve has an IP68 classification and is appropriate for usage in wet or damp environments. Its 4-inch dimension makes it appropriate for modest flow rate applications. An electronic actuator for precise control of the valve's opening and closing motions guarantees effective flow management. This valve delivers strong and explosion-proof performance in chemical plants, oil refineries, and other hazardous environments.
Application: Chemical and Petrochemical Industry, Mining Industry, Pharmaceutical and Food Processing, Oil and Gas Industry, etc
China Fleyenda DN40~DN1200 8-lug eccentric butterfly valve is generic. Pressure rating up to 2.5MPa. Rotation Angle: 0 ~ 90˚,0 ~ 360˚. Which have waterproof (IP68) and explosion-Proof (Ex dII BT4) performance. Suitable for GB, DIN, AMSL, JIS and CNS standards. ODM services are available.
Application: Water Treatment, HVAC Systems, Petrochemical Industry, Food and Beverage Industry, Pharmaceutical Industry, etc.
QT series electric explosion-proof butterfly valve has a self-locking function to prevent reversion. The indicator is mounted on the central shaft and used to observe the valve position. Fully lined with PTFE bidirectional sealing has good sealing performance so it has a good explosion-proof performance.
The FLE-QT-W-B can be controlled by inputting switch signals or control signals (4~20mA or 1~5VDC) and a single-phase power supply.
The explosion proof motorized butterfly valve is characterized by its strong functionality, small size, lightweight, reliable performance, simple matching, and high flow capacity. It is especially suitable for various liquids, gases, steam, and situations where the medium is viscous, contains particles, or has fibrous properties.
Currently, this explosion-proof electric control butterfly valve is widely used in industrial automation control systems in industries such as food, environmental protection, light industry, petroleum, papermaking, chemical, teaching and research equipment, and power.
QT series explosion-protective actuator with high torque up to 4000 Nm. IP67/IP68 waterproof performance and the aulmium alloy surface can be anti-acid and anti-alkali. Flange explosion-proof butterfly valve with hard sealing high temperature resistance, wear resistance and good mechanical properties.
The wafer soft seal motorized butterfly valve adopts a double eccentric structure, which has a tighter sealing function as it closes. The sealing material is made of stainless steel and nitrile oil-resistant rubber, which has a long service life. CT6 mini explosion-proof actuator can rotate 90° for reliable sealing.
It is suitable for water supply and drainage in water plants, power plants, steel plants, papermaking, chemical industry, catering and other systems, as a regulator and cutoff.
The electric explosion-proof butterfly valve adopts a central-line structure with a non-eccentric design, featuring a significantly low operating torque. The valve utilizes EPDM rubber, providing excellent sealing performance and resistance to wear. The stainless steel 304 butterfly valve has a pinless design, eliminating leakage points.
The valve stem undergoes quenching and surface nitriding treatment, ensuring excellent corrosion resistance. The butterfly plate adopts a frame structure, offering high strength, good toughness, low-temperature resistance, and excellent mechanical performance.
Hard seal butterfly valve equipped with an electric actuator, ensures precise and efficient control over the flow of liquids or gases while meeting stringent explosion-proof standards. The electric actuator introduces automation into the valve operation, allowing for seamless integration into modern control systems.
The triple eccentric butterfly valve, valve body eccentricity, and valve seat eccentricity allow the butterfly plate sealing ring to quickly separate from the valve seat at the opening moment, reducing frictional resistance and improving sealing performance and service life. The shorter valve body structure is suitable for larger diameters, reducing the overall budget of the owner and the load on the pipeline.
Fleyenda Flow is a professional industrial valve manufacturer in China, providing reliable valve solutions for water treatment, chemical processing, food and beverage, oil and gas, HVAC, pharmaceutical, power plants, industrial automation, and general pipeline systems. Our industrial valves are designed for stable sealing performance, accurate flow control, durable structure, and long service life in demanding working environments.
As an experienced industrial valve supplier, Fleyenda Flow offers a wide range of valve products, including industrial ball valves, butterfly valves, gate valves, globe valves, check valves, control valves, electric valves, pneumatic valves, sanitary valves, stainless steel valves, flanged valves, threaded valves, and customized valve solutions according to your pipeline size, pressure, temperature, medium, connection type, actuator, and control requirements.
An industrial valve is a mechanical device used to open, close, regulate, divert, or prevent the backflow of liquids, gases, steam, oils, chemicals, and other process media in pipeline systems. Industrial valves play an important role in process control, system safety, pressure management, flow regulation, and pipeline isolation.
Different types of industrial valves are selected according to application requirements. For example, a ball valve is commonly used for quick shut-off, a butterfly valve is suitable for large pipeline flow control, a gate valve is used for full-open or full-close isolation, a check valve prevents reverse flow, and a globe valve is often used for throttling and flow regulation.
Fleyenda industrial valves are used when a pipeline system requires reliable shut-off, flow control, pressure protection, media isolation, automatic operation, or backflow prevention. Choosing the right valve type helps improve pipeline safety, process efficiency, sealing performance, and equipment service life.
| Pipeline Shut-Off Use ball valves, gate valves, or butterfly valves when pipelines need reliable on/off control. |
Flow Regulation Use globe valves, control valves, or modulating butterfly valves for flow adjustment. |
Backflow Prevention Use check valves to prevent reverse flow and protect pumps, pipelines, and equipment. |
| Industrial Automation Use electric valves or pneumatic valves for remote control, PLC systems, and automated production lines. |
Clean Process Systems Use sanitary valves for food, beverage, dairy, wine, pharmaceutical, and clean media applications. |
Corrosive Media Control Use stainless steel valves, PTFE lined valves, or special alloy valves for chemical and corrosive fluids. |
| Valve Type | Main Function | Common Applications |
| Industrial Ball Valve | Quick opening and closing, reliable shut-off, low flow resistance | Water, oil, gas, chemical fluids, automation systems |
| Industrial Butterfly Valve | Compact flow control for medium and large pipelines | Water treatment, HVAC, cooling water, large pipeline systems |
| Industrial Gate Valve | Full-open or full-close pipeline isolation with low pressure drop | Water supply, oil and gas, power plants, fire protection |
| Industrial Globe Valve | Flow regulation, throttling control, and precise shut-off | Steam, hot water, chemical systems, process control |
| Industrial Check Valve | Prevents reverse flow and protects pumps and pipelines | Pump outlets, water systems, oil pipelines, compressor systems |
| Industrial Control Valve | Automatic flow, pressure, temperature, or level control | Process automation, chemical plants, power systems, production lines |
| Electric Valve | Remote operation and automatic control by electric actuator | HVAC, water treatment, industrial automation, PLC systems |
| Pneumatic Valve | Fast actuation and frequent operation using compressed air | Chemical plants, filling lines, production equipment, automation systems |
| Sanitary Valve | Clean media control with polished surface and sanitary connection | Food, beverage, wine, dairy, pharmaceutical, biotechnology systems |
| Specification | Available Options |
| Valve Type | Ball valve, butterfly valve, gate valve, globe valve, check valve, control valve, plug valve, diaphragm valve, electric valve, pneumatic valve, sanitary valve |
| Size Range | DN8-DN1200, 1/4"-48", or customized according to pipeline requirements |
| Pressure Rating | PN10, PN16, PN25, PN40, Class 150, Class 300, Class 600, or customized pressure ratings |
| Working Temperature | Standard temperature, low-temperature, and high-temperature options depending on valve material, seal material, and medium |
| Valve Material | Stainless steel 304/316/316L, carbon steel, cast iron, ductile iron, brass, bronze, PVC, alloy steel, and special alloy materials |
| Seal Material | PTFE, RPTFE, EPDM, NBR, FKM, PPL, metal seat, resilient seat, and customized sealing materials |
| Connection Type | Threaded, flanged, wafer, lug, welded, socket weld, butt weld, grooved, sanitary clamp, tri-clamp, and customized connections |
| Operation Type | Manual handle, handwheel, gearbox, electric actuator, pneumatic actuator, hydraulic actuator, and automatic control |
| Voltage | AC110V, AC220V, AC380V, DC12V, DC24V, or customized actuator voltage for electric industrial valves |
| Control Type | Manual control, on/off control, modulating control, signal feedback, PLC control, remote control, and intelligent automation control |
Choosing the right industrial valve is important for pipeline safety, process stability, sealing performance, and system efficiency. The table below can help you select a suitable valve according to your project requirements.
| Project Requirement | Recommended Industrial Valve | Selection Notes |
| Quick shut-off for water, oil, air, or gas | Industrial ball valve | Suitable for fast opening and closing, reliable sealing, and low flow resistance. |
| Large pipeline flow control | Industrial butterfly valve | Compact, lightweight, and cost-effective for medium and large-diameter pipelines. |
| Full-open or full-close isolation | Industrial gate valve | Recommended for pipeline isolation and low pressure drop when fully open. |
| Flow throttling or regulation | Industrial globe valve or control valve | Suitable for applications requiring more accurate flow adjustment. |
| Backflow prevention | Industrial check valve | Installed at pump outlets or pipeline systems to prevent reverse flow. |
| Remote or automatic operation | Electric valve or pneumatic valve | Confirm actuator voltage, torque, control signal, opening time, and feedback requirements. |
| Food, beverage, wine, or pharmaceutical process | Sanitary valve | Sanitary stainless steel design, polished surface, and clamp connection support clean process requirements. |
| Chemical or corrosive media | Stainless steel valve, PTFE lined valve, or special alloy valve | Valve body, seal, seat, stem, and gasket materials should be selected according to medium compatibility. |
| Industry | Common Applications | Recommended Valve Type |
| Water Treatment | Water supply, wastewater treatment, filtration systems, pumping stations, dosing systems | Ball valve, butterfly valve, gate valve, check valve, electric valve |
| Chemical Processing | Chemical fluid control, acid and alkali systems, solvent pipelines, process automation | Stainless steel valve, PTFE lined valve, control valve, pneumatic valve |
| Food & Beverage | Beverage processing, dairy systems, red wine filtration, clean media transfer | Sanitary ball valve, sanitary butterfly valve, pneumatic sanitary valve |
| Oil & Gas | Oil pipelines, gas control, fuel transfer, process shut-off, backflow protection | Ball valve, gate valve, check valve, globe valve, carbon steel valve |
| HVAC Systems | Chilled water, cooling water, heating systems, building automation, air handling systems | Butterfly valve, ball valve, balancing valve, electric valve, check valve |
| Pharmaceutical | Purified water, clean process pipelines, sanitary production systems, media transfer | Sanitary valve, stainless steel valve, diaphragm valve, control valve |
| Power Plant | Steam systems, cooling water, boiler feedwater, auxiliary pipelines, pressure control | Gate valve, globe valve, check valve, high-pressure valve, control valve |
| Industrial Automation | Remote control pipelines, automatic batching, filling systems, process control, PLC systems | Electric valve, pneumatic valve, control valve, solenoid valve |
Fleyenda Flow provides different industrial valve products for shut-off, regulation, backflow prevention, automation, sanitary processing, and customized pipeline systems. The following valve types are commonly recommended for engineering contractors, equipment manufacturers, factories, system integrators, and industrial users.
| Recommended Product | Main Features | Best For |
| Industrial Ball Valve | Fast operation, reliable sealing, compact structure, low flow resistance | Water, oil, gas, air, chemical fluids, and automation systems |
| Industrial Butterfly Valve | Lightweight body, compact installation, cost-effective for large pipelines | Water treatment, HVAC, cooling water, large-diameter pipeline systems |
| Industrial Gate Valve | Full-bore flow, low pressure drop, reliable pipeline isolation | Water supply, oil and gas, power plants, fire protection systems |
| Industrial Globe Valve | Good throttling performance, stable flow regulation, strong shut-off capability | Steam, hot water, chemical processing, process control systems |
| Industrial Check Valve | Automatic backflow prevention, pump protection, simple structure | Pump outlets, water pipelines, oil systems, compressor pipelines |
| Wide Industrial Valve Range Ball valves, butterfly valves, gate valves, globe valves, check valves, control valves, electric valves, pneumatic valves, and sanitary valves are available. |
Reliable Sealing Performance Quality valve seats, precision sealing structures, and suitable seal materials help improve shut-off performance. |
| Multiple Valve Materials Stainless steel, carbon steel, cast iron, ductile iron, brass, PVC, alloy steel, and special materials are available for different media. |
Manual and Automated Control Manual, electric, pneumatic, and customized actuator options support different operation requirements. |
| Customized Valve Solutions Size, pressure, material, connection, seal, voltage, actuator, control signal, and valve structure can be customized. |
Professional Selection Support Our team can recommend suitable industrial valves according to medium, pressure, temperature, flow rate, and application environment. |
An industrial valve is used to open, close, regulate, divert, or prevent the backflow of media in pipeline systems. It is widely used in water treatment, chemical processing, oil and gas, HVAC, food and beverage, pharmaceutical, power plants, and industrial automation systems.
Common industrial valve types include ball valves, butterfly valves, gate valves, globe valves, check valves, control valves, plug valves, diaphragm valves, electric valves, pneumatic valves, and sanitary valves.
The right industrial valve should be selected according to valve function, pipeline size, pressure rating, working temperature, medium characteristics, flow rate, material compatibility, connection type, operation method, and control requirements.
A ball valve is commonly used for quick shut-off and reliable sealing. A butterfly valve is compact and cost-effective for medium and large pipelines. A gate valve is mainly used for full-open or full-close pipeline isolation with low pressure loss.
For automatic control, you can choose an electric valve, pneumatic valve, or control valve. The final selection depends on the required control signal, actuator type, opening speed, torque, voltage, air supply, and system automation requirements.
Valve material should be selected according to medium, pressure, temperature, corrosion level, and working environment. Stainless steel is suitable for corrosive or clean media, carbon steel is commonly used for oil and gas pipelines, ductile iron is widely used for water systems, and PTFE lined or special alloy valves are recommended for many chemical applications.
Yes. Fleyenda Flow can provide customized industrial valve solutions according to valve type, size, pressure rating, material, connection standard, seal material, actuator type, voltage, control signal, working medium, and application requirements.
To get an accurate quotation, please provide valve type, size, pressure rating, working temperature, medium, body material, seal material, connection type, operation method, actuator voltage, control signal, quantity, and application environment.
Download Industrial Valve Catalogue / Get a QuoteLooking for a reliable industrial valve supplier in China? Contact Fleyenda Flow to get the latest industrial valve catalogue, technical specifications, valve selection support, and a customized quotation for your pipeline system. Tell us your valve type, size, pressure, temperature, medium, body material, seal material, connection type, actuator type, voltage, and control requirements. Our team will recommend a suitable industrial valve solution for your project. |
