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.
Fleyenda offers double-acting and single-acting pneumatic wafer butterfly valves. Rubber and PTFE sealing have strong anti-corrosion and sealing. Cast Iron, Carbon Steel(WCB), and Stainless Steel(CF8, CF8M) of body material can be selected.
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 valve body of PVC butterfly valve with pneumatic actuator is made of PVC (polyvinyl chloride), a lightweight and corrosion-resistant material. It has a 10 bar (or 10 atmospheric pressure) rating. This is a lightweight and corrosion-resistant valve
Application: HVAC Systems, Waste management, Food Processing, Irrigation Systems etc
Fleyenda double-acting butterfly valve with pneumatic actuator is made of Cast Iron, Carbon Steel(WCB), and Stainless Steel(CF8, CF8M). PTFE material seat has a stronger sealing performance. The double-acting actuator provides force in both directions, allowing the valve to open and close smoothly and reliably. This ensures precise control of fluid or gas flow in both directions.
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 pressure rating of the Fleyenda cast iron PTFE (polytetrafluoroethylene) worm gear lug butterfly valve is 2.5MPa (megapascals). Cast iron is suited for a wide range of applications due to its strength, durability, and corrosion resistance. The worm gear actuator offers a mechanical advantage, allowing for precise and regulated valve action.
Application: HVAC Systems, Fire Protection Systems, Building and Construction, General Industrial Applications
Fleyenda food-grade stainless steel actuated butterfly valves are made of SS316 or SS316L material. Using EPDM or SIL or High-temperature glue to prevent bacteria from growing. Stainless steel smooth surface finishes, crevice-free construction, and specific materials to ensure compliance with food safety and hygiene requirements.
This double acting butterfly valve is made of full stainless steel material. The EPDM sealing ability of Fleyenda actuated butterfly valves is excellent. Which have a long lifespan, compatibility with various media, temperature, pressure resistance, etc.
The single-acting and double-acting air actuators can be selected.
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!
Fleyenda pneumatic wafer butterfly valve size:DN50 to DN500(2″ to 20″) Body Material: Cast Iron、Carbon Steel(WCB) The wafer-type valve allows it to be bolted between pipeline flanges. Because it removes the need for extra flanges or connections, this design is both space-saving and cost-effective.
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.
Manual Lug Type Butterfly Valve is suitable for large valve applications due to Compact, lightweight design that requires considerably less space, as compared to other valves Due to a quick operation, it needs less time to open or close The maintenance costs are usually low compared to other valve types. A pressure drop across a butterfly valve is small Valve with Non-metallic seating can be used in chemical or corrosive media.
The Lug body has protruding lugs in the periphery of a body that provides passage to bolt holes that match with those in the flanges.
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.
Cast iron soft sealing pneumatic wafer butterfly valve it's consists of a disc-shaped valve element, which rotates on a shaft to open or close the valve. Soft sealing refers to the use of a resilient material, such as Rubber or PTFE, and can be ODM. Wafer butterfly valves have a compact design and do not need a large space.
Application: HVAC Systems, Fire Protection Systems, Building and Construction, General Industrial Applications
NBR O-ring has good anti-corrosion. Working pressure: DN50-DN150: 10kg/cm²; DN200: 6kg/cm². The valve body and a disc of the Fleyenda PVC butterfly valve offer excellent resistance to corrosion and chemical substances.
Application: Water Treatment, Wastewater Management, Chemical Processing, Irrigation Systems, etc
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 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!
Lug type butterfly valve with double-acting/single-acting pneumatic actuated. The valve is equipped with synthetic rubber or EPDM or PTFE seat, which has strong anti-corrosion. Pressure rating can be up to 2.5MPa. Welcome to ODM butterfly valve.
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 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.
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.
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.
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 AW-type cast iron cylinder consists of two separate cylinders, providing a large output torque, low friction coefficient, and flexible rotation, making it suitable for large-diameter valves. The double flanged butterfly valve with pneumatic actuator features a carbon steel valve body and PTFE-lined fluorine valve plate, belonging to the category of mid-line soft-sealed butterfly valves. These valves exhibit excellent corrosion resistance and chemical stability.
Feel free to contact us for customizing AW double-acting or single-acting pneumatic actuators and valves.
Spring return pneumatic butterfly valve made of ductile iron QT450, with a painted appearance and thickened valve body. Lined with PTFE seal and stainless steel 304 valve plate, the anti-corrosion and wear resistance are improved and suitable for acid and alkaline media. The AW type cast iron cylinder is composed of two split cylinders with large output torque, low friction coefficient and flexible rotation. It is suitable for large-diameter valves.
Welcome to contact Fleyenda Flow for customized AW double-acting or single-acting pneumatic actuators and valves.
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!
