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.
A 2" to 40" inch manual operated butterfly flange valve is a type of valve used to control or halt the flow of fluid in a pipeline. It is manually operated, which means that a person must physically crank a handle or lever to open or close the valve.
The 8'' Inch 2MPa SS304 Manual Wafer Butterfly Valve is a type of butterfly valve meant to be fitted between two pipeline flanges. It's composed of 304 stainless steel, which is noted for its corrosion resistance and longevity.
The Fleyenda Manual Operated Lug Butterfly Valve is a type of valve that is designed to regulate the flow of fluids in a pipeline. It is specifically operated manually, meaning that it does not require any external power source or automation system.
Gear-operated wafer butterfly valves are designed with a gear mechanism that allows for manual operation to open or close the valve.
Fleyenda Manual flanged butterfly valves can be made according to multiple design standards that including GB, ANSI, API 6D and JIS. Flange butterfly valves are used in a wide range of applications, including air, water, steam, various corrosive media, mud, oil, etc.
Model: Cast Iron Butterfly Valve
A DN125DN1000 CPVC (Chlorinated Polyvinyl Chloride) 8 Wafer Butterfly Valve is a kind of valve developed for industrial applications that need corrosive fluid flow control.
Worm gear wafer butterfly valve of Fleyenda is made of PPH (Polypropylene Homopolymer). Sizes ranging from 5 inches to 40 inches. The valve is equipped with a worm gear mechanism for operation.
Plastic 8 wafer butterfly valve Size Range: DN125 to DN1000 (5''~40" Inch), Material: PVC, CPVC, PP, PVDF. Size and material can be custom
PVDF wafer butterfly valves are designed with a PVDF body, which offers excellent chemical resistance and high-temperature resistance. Wafer-style design, allowing for easy installation between flanges without the need for additional flanges. Fleyenda PVDF wafer butterfly valves for sale, welcome to consult the price!
The UPVC Wafer Industrial Butterfly Valve is designed in the shape of a wafer. The valve body's UPVC material has great chemical resistance, making it suited for handling corrosive chemicals.
Applications: water treatment plants, chemical processing, HVAC systems, irrigation systems, and various industrial processes.
The pneumatic lug butterfly valve body material is stainless steel(CF8, CF8M), and also can be customized with cast iron and carbon steel(WCB). The lug design allows for easy installation and removal of the valve without disassembling the entire pipeline. Fleyenda also offers pneumatic actuators optional accessories solenoid valve, positioner, limit switch, F.R.L., and manual device.
Fleyenda has 18 years of production experience and insists on customer-centered service. We have provided solutions for more than 40 industries, welcome to contact us for customized products!
The Flange Telescopic Butterfly Valve for temperatures less than 80 is used in petroleum, chemicals, food, medicine, textiles, papermaking, power, water supply and drainage, gas pipelines, and adjusting the flow and closure of the role of media. The utility model has the function of heat expansion and cold contraction in compensating pipelines.
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.
D341F、D341X Flange type soft sealing turbine triple eccentric butterfly valve has a novel design structure, a small overall size and is lightweight; The butterfly plate adopts double eccentricity, which can be opened and closed quickly, and the operation is light and labor-saving. There is no sliding friction between the butterfly plate and the sealing ring, the sealing surface is wear-resistant, has a long service life, reliable sealing and easy adjustment.
Because the wafer butterfly valve of this product adopts the three-dimensional eccentric principle design, the space motion trajectory of the sealing surface is idealized, there is no friction and interference between the sealing surfaces, and the sealing material is selected properly so that the butterfly valve has a sealing performance and corrosion resistance. The high temperature resistance and wear resistance have been reliably guaranteed. lts main features are as follows:
1. The opening torque is small, flexible, convenient, labor-saving and energy-saving.
2. The three-dimensional core structure makes the butterfly plate tighter and tighter. Its sealing performance is reliable and leak-free.
3. High-pressure resistance, corrosion resistance, abrasion resistance, long service life, etc.
Fleyenda D341W ventilation butterfly valve is a non-closed butterfly valve. It is designed and manufactured in a new structural form by welding a midline butterfly plate and a short structural steel plate. It is welded with high-quality wear-resistant materials, has a compact structure, is lightweight, has small flow resistance and large flow, avoids the influence of high-temperature expansion, and is easy to operate. The products are widely used in ventilation systems, dusty gas, gas, air, high-temperature flue gas pipelines, ventilation and purification devices, etc. for opening and closing or regulating flow.
LTD71X lug-type 4 inch butterfly valve can be driven by manual, worm gear, pneumatic or electric. The structure is centerline type, and the sealing structure is soft seal. It has a simple structure, small size and light weight, and consists of only a few parts.
It only needs to be rotated 90° to open and close quickly, which is simple to operate. At the same time, the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body. Therefore, the pressure drop generated by the valve is very small, so it has good flow control characteristics.
The products are widely used for regulating and intercepting pipelines in water treatment, shipbuilding, chemical industry, petrochemical, smelting, medicine and food industries.
D341F, D341X flange soft-sealing EPDM butterfly valves have a novel design structure, small overall size and light weight; the butterfly plate adopts double eccentricity, opening and closing quickly, and the operation is light and labor-saving; there is no sliding friction between the butterfly plate and the sealing ring, and the sealing surface is wear-resistant , long service life, reliable sealing and easy adjustment.
Product name: Stainless steel turbine wafer PTFE hand operated butterfly valve
Connection method: wafer
Product specifications: DN50 65 80 100 125 150 200 250 300
Valve body material: stainless steel
Valve plate material: stainless steel
Sealing form: polytetrafluoroethylene
D341F, D341X flange soft-sealing PTFE butterfly valves have a novel design structure, small overall size and light weight; the butterfly plate adopts double eccentricity, opening and closing quickly, and the operation is light and labor-saving; there is no sliding friction between the butterfly plate and the sealing ring, and the sealing surface is wear-resistant , long service life, reliable sealing and easy adjustment.
The opening and closing part of the carbon steel butterfly valve is a disc-shaped butterfly plate that rotates around its own axis in the valve body to achieve opening and closing or adjustment. The use of a scale indicator plate not only makes the butterfly plate self-locking, allowing the butterfly plate to stop at any position, but also improves the operating performance of the valve. It is widely used as a regulating and intercepting device in fluid pipelines such as water supply and drainage, construction, air conditioning, sewage, chemical industry, food, medicine, textile and other industries.
1. Opening and closing is convenient, fast, labor-saving, has small fluid resistance and is easy to operate.
2. Simple structure and good low-pressure sealing performance.
D371X extended rod butterfly valve is mainly composed of valve body, valve shaft, valve plate, valve seat, extended rod and driving mechanism (handle, worm gear pneumatic device or electric device). The driving mechanism drives the rotating shaft and valve plate to rotate to achieve opening and closing. and the purpose of controlling traffic. The extension mechanism is mainly suitable for the operation of underground pipeline valves or inaccessible valves using an extension transmission device. The product is widely used in system pipelines such as water treatment, shipbuilding, chemical industry, petrochemical, smelting, medicine, food, etc.
BLTD371X marine center spiral butterfly valve has novel design, unique structure, heavy and light, easy operation, rapid opening and closing; the sealing part can be adjusted and replaced, and the sealing performance is reliable.
The products are widely used in water supply, drainage, and gas pipelines such as ships, medicine, chemicals, petroleum, electric power, textiles, papermaking, etc. to regulate flow and intercept media. They have the function of compensating for thermal expansion and contraction of pipelines.
Design standards are divided into national standards, Japanese standards, American standards, German standards, etc.
Stainless Steel Butterfly Valve
1. The connection between the butterfly plate and the valve stem adopts a pinless structure, which overcomes possible internal leakage points.
2. The outer circle of the butterfly plate adopts a spherical shape, which improves the sealing performance and extends the service life of the valve. It can maintain zero leakage after opening and closing under pressure for more than 50,000 times.
3. The seals are replaceable and the sealing is reliable and achieves two-way sealing.
4. The butterfly plate can be spray-coated according to user requirements, such as nylon or polytetrafluoroethylene.
5. The valve can be designed with flange connection and wafer connection.
6. The driving mode can be manual, electric or pneumatic.
The epoxy resin coating of the wafer butterfly valve has good corrosion resistance, and the bonding strength with concrete is significantly reduced. It is suitable for industrial conditions in humid environments or corrosive media.
D371FP and D371X worm gear butterfly valves are suitable for regulating flow and intercepting media in water supply and drainage pipelines such as food, medicine, textiles, and papermaking.
1. It is convenient and quick to open and close, labor-saving, dexterous has small flow resistance, can be installed at any position, and is easy to operate and maintain.
2. Unique structure and good low-pressure sealing performance.
3. The seals can be replaced, and the sealing material is resistant to aging, and weak corrosion, and has a long service life.
4. It can transport mud with minimal liquid accumulation at the pipe mouth.
5. Good adjustment, flow interception and non-return performance.
Stainless steel disc wafer butterfly valve has good corrosion resistance and durability. The butterfly plate has self-locking ability and can be stopped at any position, which can also improve the operating performance of the valve.
It is widely used as a regulating and intercepting device in fluid pipelines such as water supply and drainage, construction, air conditioning, sewage, chemical industry, food, medicine, textile and other industries.
WD71XN, WD371J rubber-lined, nylon wafer butterfly valve products adopt pinless connection technology. The valve plate is entirely covered with rubber or nylon to ensure complete isolation of the medium and metal, good wear resistance, and extended service life. The installation direction is not restricted by the flow direction of the medium. The product is suitable for seawater, sewage, oil, weak acid, alkali, salt and organic compounds, etc.
The pneumatic triple eccentric butterfly valve adopts a precision J-shaped elastic sealing ring and triple eccentric multi-layer metal hard sealing structure. It is widely used in industrial pipelines such as metallurgy, electric power, petrochemical industry, water supply and drainage, and municipal construction where the medium temperature is ≤425℃. Regulate flow and load-break fluid usage.
The valve adopts a triple-eccentric structure. The valve seat and butterfly plate sealing surfaces are made of stainless steel with different hardnesses. It has good corrosion resistance and long service life. The valve has a two-way sealing function.
The pneumatic flange butterfly valve is simple structure, small size, lightweight, and low cost. This feature is particularly significant for pneumatic butterfly valves, installed in high-altitude tunnels and controlled by a two-position five-way solenoid valve for easy operation. They can also adjust the flow medium.
Pneumatic flange butterfly valves, equipped with pneumatic actuators, have relatively fast execution speed and do not require manual labor, greatly saving human resources and time.
Assembly by the pneumatic actuator and butterfly valve body, controlled conveniently by a 2/5-way solenoid valve. When equipped with a valve positioner, it can also adjust parameters such as fluid flow, temperature, and pressure. The pneumatic flanged butterfly valve has low fluid resistance, and the butterfly lever can rotate 90 degrees to complete the opening and closing.
The flanged pneumatic hard-sealed butterfly valve features a multi-layered metallic hard seal, offering the advantages of elastic sealing and excellent sealing performance at low temperatures.
Due to the nearly equal forces acting on the butterfly plate on both sides of the shaft, and the opposite direction of the generated torque, the opening and closing torque is relatively small, ensuring good sealing under low pressure.
The fluorine-lined flanged pneumatic butterfly valve is specially used to control corrosive or highly corrosive media. The inner surface of the valve body is covered with various fluorine plastics to choose from, which has the characteristics of high strength and good corrosion resistance.
The pneumatic fluorine-lined valve is used in conjunction with the actuator. It has dual functions of switching and flow adjustment. It can conveniently open and close the gas path without affecting the flow rate, ensuring the repeatability of the flow rate. Slow start-up reduces the impact of instantaneous pipeline pressure on the instrument.
It applies to all kinds of acids, alkalis, oxidants, reductants, organic solvents, and other media.
The vertical pneumatic sanitary butterfly valve cylinder is made of whole stainless steel with a polished appearance and high cleanliness for all food and beverage industries. They are adopting the pneumatic driving mode, and driving the valve by compressing clean air so that the circulation and shutdown of the pipeline medium can be strongly controlled.
Tri-clamp, thread, and weld connections are available; welcome to contact us for ODM service!
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. |
