What is Wafer butterfly valve?

With a Wafer valve, a longer bolt or threaded rod passes right through both flanges and the valve. This pulls the flanges together, which holds the valve in place. The Wafer type Butterfly Valve is placed between pipe flanges, and the flange bolts surround the valve body.

Components of Wafer Type butterfly valve 

• The valve body is the component of a wafer-type butterfly valve that is used to hold the internal parts of the valve. The body is made strong using strong materials like nickel alloy, brass, carbon steel, and stainless steel, among other strong metals. The body is mounted between two flanges of the pipe. The body is also designed with a bolt head to hold the bolts that connect the pipe and the valve. 
• A stem is the component of a wafer-type butterfly valve that is used to connect the disc and the handwheel/lever or actuator. The stem transmits the torque needed to turn the disc to open or close the fluid flow. 
• The Valve disc is part of a wafer-type butterfly valve responsible for opening and closing fluid flow. Proper disc work is critical as it affects the efficiency of fluid flow. The disc is connected to the handwheel or actuator via the valve stem. It works by making a quarter turn to open or close the valve. 
• Wafer-type butterfly valve manufacturers design these valves with two seats. The seat provides a surface for the disc to rest on when the valve is closed. This helps to prevent fluid leakage when the valve is closed. The seats are pressed, locked, or bonded onto the body. The seat is made of different materials, from metals, polymers, or elastomers. 
• The actuator/ handwheel is the component of a wafer-style butterfly valve that is used to provide the torque needed to turn the stem to open the valve disc. 

How does a Wafer Butterfly Valve Work? 

Butterfly valves are a family of quarter-turn valves and work very similar to ball valves. The ‘butterfly’ is a disk connected to a rod. When the valve opens, the disk rotates, allowing fluid to pass through. It closes when the rod rotates the disc by a quarter turn to a position perpendicular to the flow direction.

Types of wafer-type butterfly valves 

Manual wafer-type butterfly valve 

This is a wafer-style butterfly valve that is operated manually. This type of valve does not have an actuator but a handwheel or hand lever. The handwheel or lever is where the valve operator applies the torque needed to rotate the stem to open or close fluid flow as necessary. One advantage of a manual wafer-type butterfly valve is that it is cheaper than the actuated type. Also, the manual type is versatile in that the user can add the actuator if necessary. Manual wafer-type butterfly valves can work when the other valves, for example, those depending on electricity, are not operational due to a lack of energy. However, manual wafer-style butterfly valves can be dangerous to the valve operator, especially when the valve is working on flammable and or acidic products, which can cause a lot of damage in case of any leakage. 

Electric wafer-type butterfly valve 

This is a wafer-style butterfly valve that is powered using electricity. The electricity is converted into mechanical energy. The mechanical energy provides the torque that turns the valve disc to close or open. Electric wafer-type butterfly valve manufacturers design this with an automated system determining when to close and open the valve. The automated system has different components which are powered by electricity. All the actuator parts work together to help the valve start and close fluid flow. One advantage of electric wafer-type butterfly valves is that electricity is widely available and cheap, making them suitable for use in almost all applications. 

Pneumatic wafer-type butterfly valve

This wafer-type butterfly valve uses compressed air to start and stop fluid flow. Wafer-type butterfly valve manufacturers design this valve with an automated system that coordinates all the actuator parts to determine when to open and close the valve. The Actuator works by converting energy into rotary motion. The rotary motion provides the torque to turn the valve stem and the disc to open and close the fluid flow. Pneumatic wafer-type butterfly valves produce high amounts of torque due to air pressure. These valves are also durable and reliable. Having a pneumatic wafer-style butterfly valve is advantageous because the device guarantees high levels of hygiene, making it suitable for sanitary and food applications. 

Hydraulic wafer-type butterfly valve 

This wafer-type butterfly valve uses hydraulic fluid to start and stop fluid flow. This type of valve is suitable for applications that need a lot of torque since the hydraulic fluid produces a lot of energy due to its incompressible properties. Hydraulic wafer-type butterfly valves are reliable and smooth in operation. However, these valves are prone to temperature changes due to the hydraulic fluid. 

Applications of wafer-type butterfly valves 

• Wafer-style butterfly valves are used in municipal water supply systems. 
• They are sued in wastewater treatment services. 
• Wafer-type butterfly valves are used in slurries and sludge applications. 
• They are used in gas and compressed air applications. 
• They are used in fire protection systems. 
• Wafer-style butterfly valves are used in oil and petroleum refinery industries. 
• These valves are used in food and beverage processing plants. 
• They are used in the paper and pulp manufacturing industries. 
• Wafer-style butterfly valves are used in chemical processing plants.

Advantages of wafer-type butterfly valves 

Wafer type butterfly valve performance advantage is that its disc is installed in the diameter direction of the pipe. The disc rotates around the axis in the cylindrical passage of the butterfly valve body, and the rotation angle is between 0° and 90°.

Summary 

Wafer type butterfly valve is a type of valve used in shut-off and throttling applications. This valve operates by using a disc that rotates at an angle of 90^o degrees to start or stop fluid flow. Wafer-type butterfly valve manufacturers design this valve with a manual or automatic control mechanism. The choice of handwheel or actuator depends on the customer’s preferences and the torque required to open and close the valve. A wafer-style butterfly valve is designed to allow bi-directional fluid flow. Other versions of this valve are designed to allow fluid flow in one direction only. A wafer-style butterfly valve is connected to the pipe using bolts and nuts. The valve is placed between the two ends of the pipe as the valve body is short, allowing the bolts to cross from one pipe end to the other. 

Wafer-type butterfly valve manufacturers produce several types of these valves, including manual wafer-type butterfly valves, electric wafer-type butterfly valves, electric wafer-type butterfly valves, and hydraulic wafer-type butterfly valves. Applications of these valves include foods and beverages, petroleum refineries, oil and gas transportation, chemicals, paper and pulp, air gas compression systems, and water supply, among others. The advantages of using wafer-style butterfly valves are that they are simple and compact in design, less expensive, light in weight, fast in operation, and easy installation, repair, and maintenance. 

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China’s advancement is our constant pursuit and hard work. As for the development of China, the development of butterfly valve flange can replace everything. When the modern industry is accelerating its pace of development, the flange butterfly valve comes into being. Although the flange butterfly valve is simple in structure, small in size and light in weight, it plays a vital role in the development, production and manufacture of Chinese flange butterfly valves, and has a certain impetus to the development of the Chinese valve industry. After decades of development, the current valve industry has been able to provide the departments of users with products in about twelve major categories, more than 3,000 models and more than 4,000 specifications, and its parameters of performance range from vacuum valves to 600Mpa ultra-high pressure valves. The temperature ranges from -196 degrees Celsius to 570 degrees Celsius. The medium used is water, steam, urea, ethylene, explosive and other media. It is known that at present, there are more than 2,000 valve enterprises with a certain scale on the market, most of which are distributed in Jiangsu, Zhejiang and Central Plains in China, while most valve manufacturers pay special attention to the manufacture of flange butterfly valves.

The flange butterfly valve is simple in structure, small in size and light in weight, and consists of only a few parts. Moreover, it can be quickly opened and closed by only rotating 90°, and the operation is simple, the valve has good fluid control characteristics at the same time. The flange butterfly plate is mounted in the diameter direction of the pipe. In the cylindrical passage of the butterfly valve body, the disc-shaped disc rotates around the axis, and the rotation angle is between 0° and 90°. When rotated to 90°, the valve is fully open. When in the fully open position, the thickness of the disc is the resistance that can be generated when the medium flows through the valve body, so the pressure drop generated by the valve is small, so it has better characteristics in flow controlling. It is mainly used for water supply and drainage in water plants, power plants, steel mill smelting, paper making, chemical industry, food and other systems, especially for use as a regulating flow device on the water pipe.

ZECO is one of the leading manufacturers of flange butterfly valves in China. Welcome to contact us!

The post The Generation and Application of Flange Butterfly Valve appeared first on ZECO Valve.

AWWA C504 butterfly valve structure features:

• 1. The unique design of the three-way eccentricity achieves the frictionless transmission between the sealing surfaces and prolongs the service life of the valve.
• 2. Elastic seal is produced by the torque.
• 3. Ingenious wedge design makes the valve seals aromatically, with compensatory and zero-leakage between sealing surfaces.
• 4. Small in size, light in weight, and easy to use and install.
• 5. Pneumatic and electric devices can be configured according to user requirements to meet the needs of remote control and program control.
• 6. Diversified continuous structure: clamping, flange, butt-welding.

Application of AWWA C504 butterfly valve:

• 1. For the gas pipeline in the sulfuric acid industry: the front and rear blower inlet and outlet, the relay fan inlet and outlet, the electric defogging series and the connecting valve, the S02 main blower inlet and outlet, the converter adjustment, the preheater inlet and outlet, etc.
• 2. It is the preferred brand for the sulfur sulphuric acid plant valve used in the sulfur sulphuric acid system. It is considered by the majority of users as: good sealing performance, easy operation, anti-corrosion, high temperature resistance, convenient operation, flexible, safe and reliable. It has been widely promoted.
• 3. Also widely used in: chemical, petrochemical, smelting, medicine, food and other industries in SO2, steam, air, gas, ammonia, CO2 gas, oil, water, brine, lye, seawater, nitric acid, hydrochloric acid, sulfuric acid It is used as a regulating and shut-off device in the pipeline of medium such as phosphoric acid.

ZECO is one of the leading manufacturers of AWWA c504 butterfly valves in China. Welcome to contact us!

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What is a Concentric Butterfly Valve?

Also known as a concentric design, this is common in general service “resilient seated” or “rubber seated” butterfly valves. The stem and disc are centered in the seat of the valve, all of which are centered in the body of the valve. The disc is in constant contact with the seat.

An advantage of this valve is the media going through the valve will not contact the body, since the seat is constructed as a sleeve or cartridge inside of the body.

Concentric butterfly valves are used in basic and specialty liquid and gas applications up to 200 PSI and up to 400 deg F. The zero offset butterfly valve can handle chemicals, coatings, food, some solids, and abrasive applications.  

The Concentric butterfly valve is available in epoxy-coated cast iron and stainless steel with multiple seat materials such as Buna, EPDM, VITON, Teflon, Natural rubber, and others.

What is a Double Offset Butterfly Valve?

The double eccentric offset butterfly valve can also be called the high-performance butterfly valve or double eccentric butterfly valve. This valve is suitable for thicker media that have high pressure because its design does not allow too much contact with the disc and seat.

Features of Double Offset Butterfly Valve

The balance of this valve is in the stem placed behind the circular disc. It allows the disc to self-adjust to the center, ensuring tight sealing. Even when the valve is fully opened, the valve does not touch the soft seat, ensuring a longer service life.

What is a Triple Offset Butterfly Valve?

The triple offset butterfly valve incorporates the two offset points of the double, but it also has a third point of offsets. Relating this time to the sealing points rather than the shaft, the point of sealing on the disc and seat are both machined into an offset conical profile. This allows it to operate fully without any contact until the point of full closure as a mechanical stop. Therefore both the sealing components can be made of metal without the need for an elastomeric element.

Features of Triple Offset Butterfly Valve

As a butterfly valve, it also belongs to the quarter family. It is also lightweight and easy to operate. Installation is also a breeze since there is less pipe bracing needed. Replacement of seat rings is also easy as this valve is top-entry.

The triple offset butterfly valve has a low torque so there is no need to have larger valves. That being said, this means higher savings costs. This valve has zero leakage closure on both ends.

The introduction of soft seats increases the value of the valves. Aside from being fire-safe due to the metal seats underneath the soft ones, the valves can now self-center because of the elastomeric seat material.

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After thorough research, we have made a list of some of the top valve manufacturer Saudi Arabia that will provide high-quality valves to you.

AVK Valve

Founded: 1985

Jeddah, Kingdom of Saudi Arabia. It is a part of The AVK Group, a privately owned industrial group that currently comprises more than 100 companies.

AVK’s core business is the production of valves, hydrants, and accessories for water, gas, sewage treatment, and fire protection. Furthermore, AVK has built up strong brands supplying valves and controls for water treatment, dams, reservoirs, HVAC, chemical processing, marine, and other industrial sectors. AVK SVMC has its production facility and sales office in Jeddah, KSA as well as express service centers in Riyadh, Dammam, and Buraidah.

AVK SVMC is producing a wide range of valves, fittings, and fire hydrants according to BS, AWWA, and DIN and meeting other international standards and customer specifications. AVK Product range is approved by all major clients in the Kingdom of Saudi Arabia such as Saudi Aramco, Water authorities, Royal Commission, Marafiq, SWCC, SABIC, Civil Defense, Ma’aden, National Water Company, etc. Products produced at AVK SVMC are also exported to all GCC countries, Middle East, Europe, Asia, and African countries too

ZECO Valve

Founded: 1991

Certification: ISO, API 6D, API 600

ZECO Valves is one of the leading Valves Supplier, Manufacturers & Stockists in Saudi Arabia. ZECO Valves supplier and exports to most countries such as Dubai, Saudi Arabia, Kuwait, India, etc. ZECO Valves manufactures high-quality valves of all types. ZECO Valves offers a wide range of Valves. These Valves come in various sizes, shapes, and dimensions and can be modified to match our customers’ specific requirements. ZECO Valves sells and distributes valves that have been thoroughly tested. Valves at ZECO Valves are subjected to many toughness and hardness tests before being distributed to our customers. Our Valves and various variants are manufactured in Saudi Arabia under international standards.

Our high-quality Valves are specifically intended for the chemical industries, fire prevention systems, and shipping industries, among other applications, including controlling water for irrigation, industrial uses for handling processes, and residential uses. Valves, and their various varieties, are created and developed to meet international quality standards. Valves are made from the highest quality raw materials. We can also customize Valves and other types to meet the needs of our customers In Saudi Arabia. ZECO Valves offers a wide range of Valves. Such as Ball Valves, Butterfly Valves, Gate Valves, Strainer Valves, Check Valves, Globe Valves & more.

SPSV

SPSV, headquartered in a second industrial city, Dammam, Kingdom of Saudi Arabia, is a diversified manufacturer of valves for the energy industries. born in 2012 – thanks to the joint venture of OMB Valves (Italy), IVM (Saudi Arabia), and Orion Valves (Italy) – with the purpose to meet the surging demand of the Saudi and gulf oil & gas industry, nowadays SPSV is a globally well recognized manufacturer of forged and cast steel valves with manufacturing operations in the heart of middle east. the company sells its products both to engineering companies and to end users, manufacturing a complete line of steel ball, gate, globe, and check valves. SPSV operates a state-of-the-art plant with the latest technology in terms of manufacturing, testing, and painting to offer high integrity products qualified for the most severe services.

SPSV operates a state of the art plant with the latest manufacturing, testing, and painting technology to offer high integrity products qualified for the most severe services.

In 2012, IVM, OMG, and ORION joined forces to establish SPSV to meet the surging demand of the Saudi and Gulf oil & gas industry.

On off valve manufacturers

An ON/OFF Valve is the fluid counterpart of an electrical switch, a device that enables unrestricted flow or prevents it entirely. These valves are frequently used to move process fluid between locations, start and halt batch processes, and activate automated safety (shutdown) features.
Ball, gate, and globe valves are often used for on/off service. Large on/off valves are usually constructed in such a way that the full-open position gives a nearly unobstructed passage for fluid to flow through. This is exactly what ball, Globe, and gate valves do:

• BALL VALVE
  • A huge metal valve with a lever handle is known as a ball valve. The valve opens and closes entirely with a brief 1/4 turn of the lever handle, making it ideal for the quick turn-off. This is the sort of valve that is commonly found at the home’s main water shutoff. The body of the valve below the handle will normally have a thicker central piece where the ball inside fits, making it easy to spot. A hole runs through the middle of the internal ball. When the valve is opened, the hole aligns with the water pipe’s direction, allowing water to flow. The ball spins 90 degrees when the handle is closed, blocking the hole in the ball.
• GATE VALVE
  • The mechanism that opens and closes the valve is referred to as a gate valve. A circular handle is twisted to raise or lower a metal gate inside the valve body to turn a gate valve on or off. The gate prevents water from flowing while the valve is closed. The gate valve, like the ball valve, is an all-or-nothing valve that allows full flow or shuts it off totally. A gate valve, like a ball valve, is a huge metal valve. These are more widespread in industrial applications than they are in home plumbing. However, one may be found in charge of your main water line or another large water pipe. They’ve been seen to appear on the pipe leading to a hot water boiler.
• GLOBE VALVE
  • A globe valve looks like a ball valve from the exterior, with a slightly bulbous metal body. A globe valve, also known as a ball valve, is a type of valve that allows for variable water flow control. There is a baffle inside the valve with a water flow port running through it. The plunger is operated by the handle, which has a washer or seal on the bottom. The plunger pushes down against the water-flow port as the handle shuts the valve, partially closing it off. When you turn the handle, you can usually feel the plunger inside the valve tight en. This valve is utilized when the flow of water needs to be controlled in a variable manner.

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PTFE Butterfly Valve

ZECO Split Body PTFE Lined Butterfly Valve is manufactured in the size range of 40 mm to 400 mm, Body and Integral Disc with shaft material are available in Ductile Iron A395, Stainless Steel, and Carbon Steel duly lined with FEP, PFA.

PTFE Lined Butterfly Valve is available in Wafer Body Style in ANSI 150#, PN6, PN 10, PN16 Class operated by a Hand lever, Manual Gear, Pneumatic Actuator, and wide range of Accessories like positioner, proximity switch box, Limit switch, solenoid valve, etc

Our high performance PTFE lined butterfly valves are ideally suited for the stringent performance requirements demanded with isolating and controlling wet and dry chlorine gas as well as hydrochloric acid.

Anti Corrosive PTFE Butterfly Valve

ZECO electric fluorine lined butterfly valve is different from the conventional butterfly valve and valve plate lined with Teflon so that the media and valve body have isolation, antiseptic effect. The valve has more and more close closure functions and sealing.

This wafer type butterfly valve is for the chemical industry. Adopt PTFE as the seal and disc which has a powerful ability of anti-corrosion. Disc plate with frame structure, high strength, flow area, and flow resistance. The valve with more and more tightly sealed off function, a reliable sealing performance

Applicable to any concentration of acid, alkali salt and oxidative extrusion, reducing agent, organic solvents, and other media.

It could be equipped with an off-type actuator, modulating type actuator, and intelligent type actuator. Steam lined valve disc ensures lower pressure drop.

Pneumatic and electric devices can be configured according to user requirements to meet the needs of remote control and program control.

Technical Specification Of PTFE Lined Butterfly Valve

• Design Standard: BS EN 593:2004 (Formerly BS 5155)
• Testing Standard: BS EN 12266-1&2 (2003)
• Size Range: 40 mm to 400 mm
• Design: Split Body – Wafer Type
• End Connection: Wafer Type to sandwich between two flanges as per ANSI B16.5 / DIN PN 10 / DIN PN 16
• Face to Face: API 609 / DIN 3202 K1 / BS 5155 / ISO 5752 / BS EN 558-1/2
• Lining Thickness : 3 to 5 mm
• Body / Disc M.O.C.: Ductile Iron GGG40.3 / ASTM A395, Cast Steel ASTM A216 Gr. WCB, ASTM A351 Gr. CF8 (S.S.304), ASTM A351 Gr. CF8M (S.S.316)
• Lining Material Options: PTFE – ASTM D 4895, PFA – ASTM D 3307, FEP – ASTM D 2116
• Test and Inspection: Hydraulic Test: Body (Shell) – 20 Kg/Cm, Seat – 11 Kg/Cm, Pneumatic Test: Seat – 6 Kg/Cm
• Spark Test : 15 K.V.D.C.
• Operation: Gear Box, Pneumatic Actuator, Electro-Pneumatic Valve Positioner, Electrical Actuator, Solenoid Valve, Limit Switch, Air Filter Regulator

Applications of PTFE Butterfly Valve

PTFE butterfly valve is widely used in chemical, petroleum, metallurgy, medicine, and other industrial sectors to adjust or cut off the strong corrosive medium such as acid and alkali in the production process, and has the most obvious effect in the control of water treatment process. It is one of the most ideal choices for anticorrosive valve equipment at present.

PFA Lined Butterfly Valve Description

The body is epoxy coated ductile iron (non-wetted). They are available with Wafer style or Lug style 150# ANSI flange connections. They can be equipped with a manual lever or can be actuated with electric or pneumatic actuators. A full range of accessory items is available including limit switches, solenoid valves, positioners, and manual override devices.

Applications of PFA Lined Butterfly Valve

• Clean Liquids and Gases
• Corrosive Liquids and Gases
• Hazardous Liquids and Gases
• Viscous Liquids
• Dry Materials
• Food/Pharmaceutical
• Vacuum Service
• Custom Butterfly Valve Assemblies

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As China has now become one of the largest butterfly valve exporters next to India, it is pretty confusing to pick one that will suit you the best. In fact, there are over a thousand valve company choices in China, spread in different provinces.

If you are looking for a reliable butterfly valve manufacturer yourself, you’re in the right place. In this article, we have compiled the best of the best butterfly valve manufacturers to help you pick the right OEM provider or butterfly valve supplier.

Where Can You Find Butterfly Valve Manufacturers in China?

To give you a tip, many butterfly valve manufacturers are in Zhejiang, Jiangsu, Guangdong, Henan, Hebei, and Shandong. These are the provinces in China specializing in metal manufacturing, forging and casting of different types of valves. Many of the companies below are based on these provinces, but you can still find other great manufacturing companies outside these provinces such as in Shanghai and Tianjin.

Here are the top 10 butterfly valve manufacturers in China.

#1 Jiangnan Valve Co., Ltd. – Butterfly Valve Manufacturer in Wenzhou

Jiangnan Valve Co., Ltd. has over 30 years of experience in the valve manufacturing industry. The company is a direct subordinate of Jiangnan Holding Group and has expanded largely throughout its history. Today, Jiangnan Valve is listed as one of the most prominent valve companies in China with over a hundred patents, 76 Million USD annual turnover, and an 88,000 Sqm factory.

Jiangnan Valve has been competitive both nationwide and worldwide, the company has strict quality standards conforming with API, ISO, CE, EN and ASME standards.

Jiangnan Valve Top Products:

• High-performance butterfly valve GSD
• Triple offset butterfly valve DTD
• Double offset butterfly valve DTDX
• Concentric butterfly valve CJD
• Butterfly check valve HBH
• Vacuum butterfly valve ZKD

#2 Neway Valve – Butterfly Valve Manufacturer in Jiangsu

One of the biggest industrial valve manufacturing companies in China is Neway Valve. The company has over 23 years of experience. You would want to contact this manufacturer if you want a streamlined production of butterfly valves. The company produces high-quality butterfly valves for high temperature and high-pressure applications for almost all types of industries.

Neway has an advanced manufacturing plant with a high-end valve program that covers thousands of valve production each day. They have three foundries and an advanced assembly line and testing facility. Neway also has one of the largest CNC machine plants in China. They have a well-rounded procedure and method for complete butterfly valve solutions, including repairs and spare part inventories.

Overall, the company’s stance is thriving with a brighter future as its stock status is constantly growing. And with the advent of more oil and gas and offshore projects in the next 5 years, you can expect Neway to deliver better and improved products.

Neway Best Butterfly Valve Products:

• Double offset butterfly valve
• Triple offset butterfly valve

#3 Hongcheng General Machinery – Butterfly Manufacturer in Hubei

Hubei Hongcheng General Machinery Co., Ltd has over 64 years of experience and is a leading valve manufacturing company in China. The company is popular for its high-end large-scale valve manufacturing factory with over 500 types of machinery and equipment for valve manufacture. Their valve manufacturing factory contains equipment like CNC plasma cutting machine, valve welding center, and advanced lathe and boring machines for butterfly valve manufacturing.

Hongcheng General Machinery has been very popular in the supply and export of hydroelectric, thermal, nuclear and irrigation valves. The company has sustained over 360 hydropower stations, 180 thermal power stations, 7 nuclear power stations, and 68 water conservancy projects worldwide.

Hongcheng top butterfly valve products:

• Butterfly valve for a hydroelectric plant
• Thermal power, high-performance butterfly valves (DN80~DN6000)
• Nuclear power butterfly valves (DN500~DN4000)
• Nuclear and water delivery valves (DN500~DN3000)

#4 Shentong Valve Co., Ltd. – Butterfly Valve Manufacturer in Jiangsu

Jiangsu Shentong Valve Co. has over 19 years of experience in manufacturing butterfly valves and other industrial valves. They are widely recognized in China and in other countries for supplying seawater butterfly valves, natural gas butterfly valves and many more. Shentong is also a prominent AWWA Butterfly Valve manufacturer. Shentong Valve is one of the top companies in the valve industry with a registered capital of RMB 0.208 billion.

The company has 109 patents and over 2000 products being actively supplied worldwide. One of the key highlights of Shentong is manufacturing valves under strict compliance with energy efficiency and reduced carbon emission footprint, which earned them respect in various groups. Hence, they’ve become one of the leaders in the butterfly valve workgroup in China (China Valve Association).

Shentong Top Butterfly Valve Products:

• Seawater butterfly valve
• High-pressure butterfly valve
• Hydraulic Control Butterfly Valve

#5 ZECO Valve Group Co., Ltd – Butterfly Valve Manufacturer in Shanghai

ZECO Valve is a valve company with 31 years of fruitful experience in delivering high-performance butterfly valves. They are one of the best butterfly valves manufacturers and have sustained many cities nationwide and worldwide. Through much effort and dedication to deliver quality products, ZECO Valve has strengthened its manufacturing techniques over the years.

In recent years, ZECO Valve has been steadily growing behind the limelight but has established repeat customers globally speaking. They have established customer relationships in Asia, Europe, the USA, and the Middle East. ZECO Valve is also one of the most prominent cryogenic butterfly valve manufacturers in China.

One of the key takeaways in working with ZECO Valve is that they focus only on a high-performance butterfly valve manufacturer so it’s not a “Jack of All Trades, Master of None” for this company. They also offer low priced products and sustain OEM needs. They have all types of butterfly valves ranging from different seat materials, sealing design, actuator type, end-connection type, and body material.

ZECO Top Butterfly Valve Products:

• Lug Style Butterfly Valves
• Wafer Style Butterfly Valves
• Double Flanged Butterfly Valves
• Soft Seated/resilient seated valves
• Metal seated
• Fire seated
• High-performance butterfly valve (WCB, CF8M, Duplex Steel, Hastelloy, Aluminum Bronze, Titanium Alloy)

For china butterfly valve with handles pricelist, please contact ZECO.

#6 WuZhou Valve – Butterfly Valve Manufacturer in Zhejiang

WuZhou Valve Co., Ltd is a 42-year old valve company with a strong portfolio and many honorary awards in China. As of today, they have two production facilities – in Wenzhou and in JiaXing, with an area of 125,900m2.

Currently, the company has two production bases – one in Wenzhou and the other in Jiaxing near Shanghai. The company has a developed design department with the latest tools for CAD design. WuZhou also has over 126 sets of machine centers, CNC machine tools, and metal cutting and machining equipment. Aside from this, they carry over 45 sets of chemical testers, nondestructive test equipment and other in-house equipment that made them capable of producing high-quality butterfly valves.

WuZhou has marketed over 1200 products across China and other countries such as the USA, Europe, Africa, the Middle East, and Singapore.

#7 Boteli Valve Group – Butterfly Valve Manufacturer in Zhejiang

Boteli Valve Group is a butterfly valve China manufacturer with over 22 years of experience. The company has heavily focused on casting and forging high-quality industrial valves such as butterfly valves. Boteli has served other companies worldwide on the oil & gas, refinery & petrochemical, power & pulp, LNG and Cryogenics sectors.

Boteli has a wide facility area coverage of over 26,600 square meters and a building area of 31,700 square meters complete with advanced test equipment. They are also known for supplying OEM needs with satisfactory customer support and after-sales service.

Boteli Top Products:

• Tri-eccentric butterfly valve
• Zero offset butterfly valve

#8 ZhengFeng Valve – Butterfly Valve Manufacturer in Zhejiang

Zhengfeng Valve is a Zhejiang valve manufacturer with over 21 years of experience. The company has been one of the leading exporters of butterfly valves in the oil and gas, chemical, and energy service industries. One of the biggest takeaways in working with Zhengfeng for your butterfly valve needs is their satisfactory attention to customers.

The company has undeniably good customer service, after-sales service, and repair and maintenance transactions over the years. The company also prides itself on the high-quality distribution of OEM products across the globe.

Zhengfeng products:

• Double eccentric butterfly valve, triple eccentric, and metal seal butterfly valves

#9 POV Valve Company – Butterfly Valve Company in Shanghai

POV Valve Company is a China valve manufacturer with over 17 years of experience in manufacturing soft seated butterfly valves. Over the years, POV has been one of the global leading companies with 12 invention patents.

The company has a wide array of advanced equipment for manufacturing butterfly valves. Their complete and reliable QC standards allowed them to win over thousands of customers in 80 countries worldwide. POV’s facility is certified by an ISO system certification and its products are guaranteed and have passed BV Marine, CE, and Fire Test. Thus, you can ensure quality exports of butterfly valves from POV Valve.

POV key products:

• Wafer butterfly valve
• Lug butterfly valve
• Flanged butterfly valve
• Lined butterfly valve

#10 Eco Valves – Butterfly Valve Manufacturer in Tianjin

Eco Valve has over 23 years of experience and is a popular China butterfly valve manufacturer. The company specializes in designing, manufacturing, and exporting butterfly valves for many industry applications. Outshine Valve also caters to OEM needs and customization.

One of the biggest takeaway in working with Eco Valve is that they focus only on butterfly valve manufacturing and development. They have over 50 product types and more than 1,200 SKU’s. The company is an ISO 9001:2008 System certified with a CE Quality-Assurance System Certificate for their butterfly valves.

Eco Valve Butterfly Valve products:

• Flanged butterfly valves,
• Centerline butterfly valves,
• Worm gear butterfly valves,

Wrapping Up

The demand for a high-quality industrial butterfly valve has urged many manufacturers to be more competitive in terms of quality, capabilities, price and customer service. Many China valve suppliers and manufacturers have upscaled their production schemes and have merged with international companies over the years in response to this competitive trend.

This evolution has also encouraged foreign companies to find valve manufacturers from China. If you are one of them, we hope that this article was able to help you choose a reliable butterfly valve manufacturer to supply your needs.

You may also like to read our 15 Best Triple Offset Butterfly Valve Manufacturers and 9 Best Stainless Steel Butterfly Valves Manufacturers.

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