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Butterfly Valve

Butterfly Valve

  • Sizes from NPS 2” to 48” (DN50 to DN1200)
  • CLASS 150 to 2500 (PN20 to PN420)
  • Operating temperature -196℃ to 593℃
  • Body Compact structure, easy installation, and disassembly as well as repair friendly, Kelite TOVs are also lightweight
  • It has a certain adjustment capability and can be used as a control valve.
  • With the triple-eccentric structural design, the sealing face is separated as soon as opening, so the mechanical wearing and friction between two sealing faces are eliminated during the opening and closing of butterfly plate, the operation torque is lowered, and the service life is longer.
  • Zero leakage
  • A wide range of applications – triple-eccentric metallic sealing butterfly valves have a wide range of temperature, pressure, and diameter.

Butterfly Valve – A Solution for High Pressure Applications

we are the best supplier of butterfly valves, offering a wide range of butterfly valves in various types and sizes. Our offered hydraulic actuators have been proven to be reliable, easy-to-use and operate at increased efficiency.The butterfly valve is a type of valve used to Regulate the flow of water or fluid in a pipe. It is typically found in service applications, such as fire protection, wastewater, and irrigation.The actuated butterfly valves are types of butterfly valves that have been made to be easier to open and close.

Butterfly Valve for HVAC, Industrial, and Commercial Applications

What is a butterfly valve?

butterfly valves are used to regulate materials from one diameter to another by half-turn of a spinning disk. A rod passes through the center of the valve and this rod is coupled to the actuator controlling motion of the disc. The position of the disc is in either direction perpendicular to the circulation of the media. Sound systems depend on reliable valves. Choose the best butterfly valve for your particular operation by browsing our product pages. We provide custom products to our customers. Our butterfly valve selection is made out of disc valves exactly sized for many applications and made in precise agreement with industry standards. We have customized it.

Is Butterfly valve a quarter turn valve?

Butterfly valves are used for pipelines to shut off flow. They’re designed with a quarter-turn rotation, it is a quarter-turn vave,which is where the valve has a 90 degrees turn on its body. It opens and closes onto the same side of the pipeline, with an outlet at each end.

6 main butterfly valve types

There are different designs of butterfly valves tailored for different operating procedures. The butterfly valve is the major type of mechanical valve.

Butterfly valves are not the most common type of valve, but they are used in a wide range of places. They are used as a last resort when there is no other solution for controlling the flow of fluid.

Butterfly valves have an actuator with two levers that can be rotated to either make the disc parallel to or perpendicular to the flow. The actuator rotates one way, and this causes the disc to be parallel and cause a decrease in flow. The actuator turns the other way, and this causes the disc to be perpendicular, which increases the flow through that outlet.

Butterfly valves are typically used at low pressure applications where high pressure would cause damage or destruction due to turbulence. They also use them near large openings where there may be no other solution, such as on ships

Triple offset butterfly valve

Of all three types the triple offset is the most advanced with lower emissions but has been designed for several environments. Its temperature tolerance is 120°C as it can withstand up to 120 PSI pressure. It is brittle and longlasting by a metal sealing element not having contact until the end. The Triple offset valve comprises of two offsets situated on the central axis but with a third offset being a cam action with right-angle conical seal. It can withstand a high pressure up to 900LBS.

The Triple offset butterfly valve is a tertiary control valve that can be used in the fuel application of a gasoline or diesel engine. Triple offset butterfly valves are used mainly to regulate the amount of fuel that is allowed into the combustion chamber.

Zero-offset butterfly valve

Zero offset means zero offset in the valve shaft. The valve is sealed through interference along the disc edge aft of the stem between the disc and the rubber seat. The valve has lower pressure rating (up to 350 PSI) and withstands temperature and cold to 404°C. Its rubber seat covers the corpus which prevents contact with other materials keeping the cleanliness of the materials. The zero-offset design is known in the industry as the “concentric”, or the ‘rubber in the seat’.

High-performance butterfly valve( double offset butterfly valve)

The butterfly valve is called double offset because the offset is in two locations: at the position of the disc seat sealing and at its bore. High-performance valves tolerate pressure at high pressure and high temperature. A cam motion occurs if the stem is placed directly behind the disc while it rotates at 90° for the first 10 degrees of opening but also for the 10 degrees of closing.

Wafer Butterfly Valves

A wafer butterfly valve is a kind of butterfly valve with a wafer-shaped body. It can be used as a replacement for the conventional butterfly valve.

A wafer butterfly valve has four ports and it is smaller than the traditional type of butterfly valves. Wafer butterfly valves are light weight and easy to install in any part of the pipeline system. They are also more reliable than conventional types of valves because they have fewer moving parts.

Flanged Butterfly Valves

The Flanged Butterfly Valve is a type of valve that is flanged on each side. It provides unrestricted access to the vessel that it’s installed in by opening and closing with the minimal amount of effort.

The Flanged Butterfly Valve is typically found in water supply systems or chemical plants. This type of valve also has the ability to handle pressure changes as well as temperature changes due to its flanged design.

The Flanged Butterfly Valve can be found in industrial, marine, or petroleum piping systems where size and operational pressures are often high with temperatures ranging from low to high.

Lug Butterfly Valves

Lug Butterfly Valve is a very unique product, there are no other products like it on the market. It is a valve that can act as an ideal replacement for standard butterfly valves. The valve is designed to prevent air& water entrapment.

Ball Valve VS Butterfly Valves

Ball Valve

Ball valves and butterfly valves serve multiple functions in a piping system, one of which is starting, stopping, or regulating fluid flow. The valve types themselves are quarter-turn valves that can be used in any type of pipe setup.

Ball valves are primarily used for controlling the flow of materials in a pipeline, but they are also frequently used in many industrial processes. They have a hollow, perforated ball that rotates into the opening and hardens as it blocks off the material flow. The valve can be in an open, closed, or partially open position to allow gases, liquids, and slurries to pass through.

Ball valve have been in use for decades. They consist of a valve with a ball seat and cylindrical body designed to seal when the two parts are brought together. Ball valve are often used as either emergency shut-off valves or to regulate fluid flow.

Applications where tight shut-off is required use ball valves. Ball valves can be used in a variety of industries for other purposes as well.

Butterfly Valve

Butterfly valves are a type of disc-type valve (like a wafer check valve) with a rounded semi-circular disk. The disk has a central hole, which is used to connect the flow mechanism. This valve is available in both manual and automated versions, and it is used for process control applications.

The butterfly valve is a device that can be used to control the flow of liquids. It consists of two disks and a piston, which is connected to the rod. The movement of the rod controls how far the disk is from the piston, which in turn controls the flow of liquid.

The valve is a type of valve which is designed to open and close in center of the pipe .These valves were originally used in applications where there was no need for a tight seal, but now they come with elastomeric seals, which provide an airtight seal.

How are Ball and Butterfly Valves Similar?

Though ball and butterfly valves are different, they both play a crucial role in the process of water flow. Just like the two valves, there are also many differences between the two. But they both share a number of similarities that make them work together.

They are often confused with each other because they are capable of performing similar functions. Here are some other similarities between the two valves:

In order to open a ball valve, a person must turn the valve handle 90 degrees. Similarly, to close a ball valve, one must again turn the quarter-turn handle 90 degrees. In contrast, when installing and operating a butterfly valve, one need only lift or push the butterfly arm of the valve in order to open or close it.

Ball valve and butterfly valve are quarter-turn valves are turning valves that require a 90 degree turn to operate them.

Ball valves are typically made of cast iron, while butterfly valves are typically made of stainless steel. Brass is a metal that can be used to make either a ball valve or butterfly valve.

Where is the Butterfly Valve located?

There are some common guidelines to guide the orientation of butterfly valves. The butterfly valve requires space from other parts such as pump elbows and other valves; 6 pipe diameter separation is ideal. Generally the valve tube stem is angled vertically with the actuator directly above him; some examples place the tube positioned horizontal instead. When connected to a pump or a check valve space must be provided for the disc so that the other parts are not disturbed by the disc. It’s the right answer for that. The approval of.

Butterfly valve components

The butterfly valves have four main components : body disc, suspension and support. The butterfly valve stem can be a single-piece shaft or a two-piece design (split-stem). The seat of the resilient-seat butterfly valve uses an interference fit between disk edge and seat to create stop-off protection. The seat material can come in many shapes and sizes and can include different plastic and elastomer materials. The seat can be attached to the body or the seat can be locked. The stem in most resilient seated design is protected from media as such allowing a efficient selection of a material with regards to costs and mechanical properties.

Butterfly Valve Body:

Butterfly valves are generally known as body types that fit between two pipe flanges. They are the most common design and most commonly used form.

Valve body of butterfly valves can be stainless steel 304,316,304l,316l,caat steel,A216 WCB etc.The valve body is the main part of butterfly valve

Butterfly valve disk:

The disk is a disk-shaped part of the valve that has been designed to halt flow of fluid when it comes in contact with it. There are many variations in design and orientation in order to accommodate different applications of the valve.

Butterfly Valve Stem

The stem of the butterfly valve is used to control the flow of water. The design can either be one-piece or a two-piece split stem. A two-piece design has a split stem that protects the stem from media contact.

Butterfly valve Seat

Resilient-seated butterfly valves are a type of valve that uses an interference fit between the disk edge and the seat to provide shutoff. Resilients are a good option for applications where mechanical wear is expected, like when using metal disks.

Butterfly valve – How they work

The butterfly is essentially a plate that is secured to rods. It closes when the rod rotates the disc halfway in a direction perpendicular to the flow direction. If the valve closes up the disk rotates to allow for air movement. Butterfly valves are used for in-off or modulating services and are popular because of their light weight, small installation footprint, cheaper costs, quick operation and availability in extremely large sizes. They are operated by handles, gears or automatic control units. The products are popular because of small installation sizes and easy operation. They work very similar to a ball gate valve which is quite heavy and easy to operate.

The advantages of butterfly valves

This valve is a quarter-turn rotational motion valve used to stop, regulate and commence flow. A butterfly valve is mounted onto a rotating shaft. When the valve is full opened the disc is at an angle to the fluid or gasflow of the valve.

Butterfly valves are easy and fast to open.

A 180° rotation of the handle guarantees a total closed or closing of the valve. Large butterfly valves generally have a so-called gearbox, where the main wheel is attached to the stem by gears connected to it. This simplifies use of the valve but at the cost of accuracy.

Butterfly valves have less space requirements.

This is because of their compact design that requires very little space compared to other valves.

Butterfly valves are relatively inexpensive to build.

Cost effective is the wafer shape between two pipe flanges. Another type is the lug wafer type, which is held between two flanged pipes by a series of bolts that join these two flanges and pass through holes in the outer chamber of the valve. Common Butterfly Valves Materials are often less expensive than common ones used to make them easier to use in the production process.

Butterfly valve applications

Butterfly valves are used for wide applications. They are very effective for larger volumes of liquid water and for slurry applications. Please see below for more detailed application information about Butterfly valves in the industry today.

Some processes require more robust and wear resistant valves in special characteristics. Some commonly used applications rely on butterfly control valve’s unique mechanisms.

The butterfly valve is versatile in many applications including:

– The mechanical/electrical actuation of the valve can be operated by either a pneumatic, hydraulic or electric actuator.

– The butterfly valves are also available with a fully integrated linear actuator within the body of the Butterfly Valve as well as an optional single line piston type actuator to reduce its length;

– Butterfly valves can be made with either manual or automatic ball bearings which enable them to be quickly opened and closed without any maintenance.


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