At manufacturing plants and other industrial locations, many parts are involved in the success of the entire operation. One of those components is the fluid handling system throughout the building — the piping that runs along the walls, ceiling and potentially underground to provide the facility with water, oil and other fluids that are necessary to complete certain processes.
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Like any system, the pipe and fittings involved in your fluid handling operations will eventually need to be replaced. If you’re building a new facility, you get to start from scratch and choose the best piping material for your needs. Whether you’re replacing your fluid handling system or installing one at a brand-new building, there are several factors you should consider before starting, as well as multiple pipe material options to choose from.
When implementing or constructing a fluid handling system in your plant or warehouse, you will have to make several decisions based on your industry, handled materials and objective. One of the most important decisions you will make during this process is the type of pipe material you need to transport your liquids, gases, chemicals and other fluids. This is not a decision to make lightly — the wrong pipe material could jeopardize the quality of your product, as well as the safety of you and your employees.
Here are seven factors to consider when choosing the best pipe material for your fluid handling system.
The material of the pipes in your fluid handling system has a direct impact on the overall success of the system, as well as your facility’s overall mission or goal. It’s critical to weigh all your options and account for the multiple factors that will affect the oil and water pipe material selection process. Here are eight things to consider before you choose your fluid handling pipe material.
What type of liquid are your pipes transporting? More specifically, is the liquid corrosive or non-corrosive? Corrosive liquids include substances such as crude oil, ammonia, seawater and other acidic liquids that have a heavy chemical makeup. These liquids require a corrosion-resistant pipe material such as a plastic CPVC pipe or lined pipe. Since most liquids are at least slightly corrosive, you will need a corrosion-resistant material for the pipes that will transport it. Meanwhile, non-corrosive fluids or gases like lube oil, air and nitrogen are safe to transport via carbon steel or metal pipelining.
The type of liquid or gas your pipe system transports plays a significant role in choosing fluid handling pipe material. Some pipe materials are better suited for non-corrosive liquids, like oils or standard wastewater. More corrosive liquids, like acid or peroxide, require a pipe with an interior that can hold up to the abrasiveness of these corrosive materials. Corrosive materials are common in many industrial cleaning solutions, as well as in chemical manufacturing and handling. Remember, despite a plastic or metal pipe material’s durability and corrosion resistance, chemicals, acids and saltwater are much more abrasive than standard water or oil. Always keep the liquid you are transporting in mind when selecting a pipe material.
Take a look at how the following popular pipe and pipe lining materials stand up to corrosion:
The next thing to consider is the temperature of the liquid in your fluid handling system. If you’re transporting high-temperature liquids, you’ll need to be sure your system consists of high-temperature pipe materials. Certain types of plastic piping may not be ideal for handling high temperatures, while others may be designed to handle fluids no matter how hot they are. Metal pipe materials are typically wise choices for high-temperature liquids, although some types may become too hot to the touch.
If you are handling extremely high or low-temperature fluid — including cryogenic liquids— make sur
e your pipe consists of material intended for extreme temperatures. Otherwise, you risk damaging or corroding your pipes and contaminating the liquids inside of them. In some cases, extreme temperatures can break your piping entirely, resulting in expensive repairs, damaged product and hazardous workplace conditions. Metal pipe material is usually suitable for extremely hot liquids, although you and your employees should exercise caution when working with them. Depending on the temperature, aluminum is often used to transport cryogenic liquids.
Your piping material must support these temperatures as well as maintain them throughout the liquid transfer process. In many applications — including laboratories, food processing, medical facilities and plants that work with hazardous chemicals — precise temperatures are required for all liquids and vapors used.
Some pipe materials that can be suitable for high temperatures include carbon steel, as well as PTFE, PVDF, ATL PTFE and PP pipe linings. For extremely low temperatures, copper, some aluminum alloys and high-alloy austenitic stainless steel are least likely to become brittle and break.
What is the pressure of the fluids your system is handling? If the pressure of these service fluids is very high, you will need piping material that is either high-strength, higher thickness or designed to resist high-pressure fluids. The average pressure that most manufacturing facilities’ piping must be able to handle is around 150 pounds per square inch gauge (psig). If your facility is working with liquids of higher pressures than this, you may have to request a piping material that is specially designed to handle high-pressure fluids.
Various liquids and gases create different pressures inside of your fluid handling pipes. For example, cryogenic fluids are known for creating very high-pressure environments during the transfer process. Many external factors can impact this pressure, too, including the temperature and elevation of your piping.
Some liquids and gases that might require pressure-specific pipe materials include:
Make sure you choose a pipe material that is rated for high-pressure or low-pressure substances and conditions. If you use a high-pressure liquid or gas in a pipe that is not suited for high-pressure handling, you risk leaks, pipe bursts, flooding, fire, explosion and injury to property and personnel.
Never assume your fluid handling system is adequate for high-pressure substances. Always ask your pipe provider if your fluid handling system is designed to handle high-pressure fluids and vapors before use.
You need reliable and durable piping, but how long do you need your fluid handling system to last? A major component of effective piping design and material selection is asking how long you expect your fluid handling system to last. If you know you’ll likely have to replace the system in five to 10 years due to another reason, such as relocation, you don’t need to invest in a very long-lasting piping material. This may also affect how much money you’re willing to spend on the system, which will, in turn, impact the type of material you should choose.
If, on the other hand, you expect this system to last for 10 or more years, you should invest in the most durable type of piping material.
For example, temporary worksites or processing plants that do not typically deal in fluid handling may not need as intricate or durable a system as a permanent plant that transfers fluids daily. You should also factor in how often your business will use your fluid handling system. Of course, there are some conditions — such as extremely corrosive chemicals, hazardous materials or fluids that need temperature regulation — that will require certain pipe materials, regardless of the desired service life of your system. If no special circumstances apply to your business, use this information to help you gauge the amount you should invest in your pipes, as well as that type and quality of material used.
Just like flooring, countertops and other solid surfaces, certain types of piping material are easier to clean than others. Ask yourself how often you can clean your fluid handling system. Be realistic about the frequency, as it is can become a very time-consuming task depending on the size and intricacy of your system. If you won’t be able to clean it very often, having a low-maintenance piping material should be a priority for your facility.
Make sure the material you choose for your fluid handling pipes is maintainable under your current circumstances. There are three main types of maintenance that all fluid handling systems should consider:
During each of these maintenance scenarios, your pipes must be accessible. Always have a professional technician install your fluid handling system. Professional system technicians are trained to consider your system as a whole, rather than focus on singular parts or pieces of equipment. They will make sure your pipes are large enough for your space and business needs, but not oversized. Oversized pipe systems result in unnecessary maintenance and take up a lot of otherwise usable space.
If your business does not have the time, available workforce or budget for regular and frequent maintenance, choosing a low-maintenance pipe material should be your top priority.
External elements exist indoors and outdoors. Indoors, external corrosion and other issues can arise from corrosive fumes in the air, humid conditions and mold. Outside poses several threats for external corrosion and damage, including the salt in seawater, inclement weather, microorganisms, plant overgrowth and more.
If any part of your fluid handling system is exposed outdoors, you need piping material that can withstand environmental elements. External elements that could lead to the deterioration or corrosion of your fluid handling piping include UV light, corrosive soil, precipitation and other atmospheric conditions.
Examples of external elements to be cautious of include the following:
Certain piping materials will only have a few valve and fitting sizes to choose from, so you may need to eliminate some options based on this factor. Some of the valve and fitting types you can choose from include:
The types of valve and fittings you choose will depend upon the types of connections you’ll need to make from pipe to pipe, as well as to connect the pipes to other features of the fluid handling system.
Cost is a significant factor in any business decision. As you consider different pipe materials, keep in mind the cost of:
As with any expense, always consider the return on investment when comparing different costs. For example, if a pipe material is best suited for your industry due to its thermal regulation and durability, but it is more expensive, keep in mind the potential loss you might face if choosing a cheaper, less viable option. For many industries, not investing in the right pipe materials can lead to much more costly issues down the road. Always keep your industry’s non-negotiable needs in mind when examining costs.
Now that you know what factors will affect the piping material you should choose, let’s talk about six of the most popular piping materials, as well as the conditions that each of them would work best for.
Cast iron was one of the earliest materials used for piping, and it’s most commonly found in underground applications. Piping that carries materials like water, gas and sewage underground must be incredibly durable, pressure-resistant and long-lasting since these pipes must last for several decades without having to be replaced. Soil pipes are also commonly made using cast iron due to its excellent corrosion-resisting properties. Cast iron pipes are more popular in apartment buildings rather than private dwellings due to its fire resistance and noise-dampening qualities.
If you need underground piping at your facility that will last as long as possible, cast iron may be the best material for your fluid handling system.
Carbon steel pipes and steel alloys are created using different manufacturing methods to provide multiple piping material options all made from steel. Steel is a desirable piping material because of its thickness and ability to contain highly pressurized fluids. Two common types of steel piping materials for manufacturing facilities are:
The category of nonferrous pipe materials refers to any piping material that is a metal other than steel. Popular options for nonferrous metals include:
The most typical application for concrete pipes is in large-scale engineering projects such as water resource management and stormwater control. Depending on the diameter of the pipe, concrete pipes are typically reinforced with another layer or durable wire to allow it to maintain its strength underground. Concrete pipes used for civil purposes must pass several destructive tests to ensure they can withstand any potentially disastrous occurrences.
These pipes must also be regularly maintained, as dirt and debris can easily stick to the insides of concrete pipes and cause a backup. Depending on the type of material the pipes are carrying, a sewage or stormwater backup could be very hazardous to the surrounding areas. Most manufacturing facilities would not benefit from using concrete piping for their fluid handling systems.
Plastic pipes are an option you may seriously consider for your facility’s fluid handling system. Options for plastic pipes include:
We saved the best type of pipe for most industrial and manufacturing systems for last — lined pipe and fittings are recommended for fluid handling systems in most facilities. Plastic-lined steel pipe is essentially the “best of both worlds,” combining the corrosion-resisting qualities of plastic with the durability of metal materials. You can choose which type of plastic material you want your steel pipes to be lined with. Popular choices for plastic-lined pipe and fittings include:
For most standard manufacturing facilities and other industrial applications, there are several benefits of plastic-lined pipe and fittings. Some of the most notable advantages of this type of pipe material include:
To find the best pipe material for fluid handling operations, you must consider several factors about your facility and your fluid handling system. Every manufacturing facility is unique and requires pipe material and fittings for differing applications. When it comes time for you to replace your fluid handling system, be sure to consider each choice carefully and not just do what everyone else may be doing. Just because metal pipe liners work for one facility, for example, does not mean they are also the best choice for yours.
That being said, lined pipe material is often the best solution for most average-sized manufacturing facilities, as it combines the best features of the two most popular small-scale choices — plastic and metal.
Once you’ve decided which pipe material and fittings might be best for your operation, contact the experts at SEMCOR to start the process of getting them into your building or buildings. We offer the best products for custom fluid handling, including pipe and fittings, valves, hoses and other custom solutions. Plus, all our products are designed with durability in mind, minimizing the need for future maintenance or an early replacement. We can also provide assistance in choosing the right materials based on your facility’s system and needs.
SEMCOR offers a wide range of fluid handling solutions and customizations, including:
Since , SEMCOR has remained committed to answering your questions and delivering nothing but top quality fabrications for your business. To learn more about SEMCOR fluid handling products and services, or to request a quote, reach out to us online or at (314) 300-.
Using PVC valves to control water in a system is not difficult and can be extremely rewarding when done correctly. These valves are especially useful in home irrigation & gardening systems, homemade fish tanking piping, and other such home applications. Today we will be looking at a few different butterfly valve applications and why these pieces of equipment are so useful.
Many valves are made from PVC or CPVC including butterfly valves, ball valves, check valves, and more. Each type has it's own strengths and weaknesses, but butterfly valves are unique in their body style and the way they regulate flow. With a quarter-turn disc that sits amid liquid flow even while open, nothing else is quite like a butterfly valve. Further down we will discuss "wafer butterfly valves vs. lug butterfly valves," but first let's look at some uses for butterfly valves!
Butterfly valves are a quarter-turn valve that has a plastic or metal disc in the middle that rotates on a metal rod or "stem." If the stem is the body of the butterfly, then the disc is the "wings." Because the disc always sits in the middle of the pipeline, the fluid is slowed slightly as it rushes through an open valve. The following examples are a few jobs -- some specific and some general -- that butterfly valves are perfect for!
Garden Irrigation Systems
These systems are often made up of PVC or CPVC pipe, with elbows, tees, and couplings connecting everything. They run adjacent to or over the top of backyard gardens and drip water, sometimes enriched with nutrients, onto the plants and vegetables below. This is achieved through many means, including perforated hoses and drilled pipes.
Butterfly valves can be utilized to start and stop flow in these systems. They can even isolate certain parts of the irrigation system so you can water only the thirstiest of your plants. Butterfly valves are popular for this because they are inexpensive
Pressurized Applications
When pressurized air or other gases are involved, butterfly valves are perfect! These applications can be tough on valves, especially if they open slowly. But if you use automatic actuation on your butterfly valve, it can be opened almost instantly. Protect your pipeline and other equipment with a butterfly valve!
Backyard Pools
Pools need water delivery and drainage systems that allow for backwashing. Backwashing is when you run water backwards through a system. This dislodges chlorine and other chemicals that build up in pool piping. For backwashing to work, valves must be in place that allow the reverse flow of water without damaging the equipment.
Butterfly valves are ideal for this task as they completely stop fluid when closed. They are also extremely easy to clean since they have such thin bodies. This is important to consider when pool water is involved!
Space-Restrictive Applications
If you're just generally wondering where to use butterfly valves, systems with space restrictions are ideal. In small spaces, putting together an effective piping system can be challenging. Pipes and fittings don't take up too much room, but equipment like strainers and valves can be unnecessarily clunky. Butterfly valves typically require less space than ball valves and other types of shutoff valves, which makes them perfect for flow control in a tight space!
As promised at the top of this article, we will now discuss the difference between wafer and lug style butterfly valves. This information can also be found in a previous blog post. Both types of valve do the same job (and do it well), but each has its own important subtleties.
Wafer style butterfly valves have 4-6 holes in which alignment lugs are inserted. These go through the mounting flange on both sides and through the valve's frame, allowing the pipeline to squeeze up close to the valve on both sides. Wafer butterfly valves have fantastic pressure tolerance! The problem with this style is that the entire system must be shut down if you want to disconnect the piping on either side of the valve.
Lug butterfly valves have 8-12 holes for attachment lugs. The flanges on each side attach to half of the lugs each. This means that the flanges are each independently mounted onto the valve itself. This creates a strong seal and allows maintenance to be done on one side of the pipeline without having to shut the entire system down. The main downside of this style is a lower pressure tolerance.
Basically, lug style valves are more convenient to work with and maintain, but wafer style valves can handle higher pressures. For more info on wafer butterfly valves vs. lug butterfly valves, read this great article. Check out our high quality, wholesale-priced PVC and CPVC butterfly valves by clicking the links below!
Butterfly valves belong to the quarter-turn rotational motion valves family and are used primarily to stop, regulate, or start the flow. The term “butterfly” in a butterfly valve is actually a disk that is connected to a rod. When this rod rotates the disk by 90° the butterfly valve opens or closes. Butterfly valves are popular in the industry because of their lightweight, fast operation, and low costs. These valves use handles, gears, or automatic actuators for operation as per the requirement.
Smaller-size butterfly valves usually have manual operation whereas larger devices are normally motorized. With high flow capacities, butterfly valves enable the use of smaller units that reduces weight, cost, and space requirement significantly. With only two wetted parts and a range of valve linings, butterfly valves isolate the body from the flowing media which eliminates the need for expensive exotic materials.
The smooth contoured, crevice-free disc produces lower torques, while the design of butterfly valves makes them easy to install, maintain, and service.
The use of Butterfly valves is broad and wide. Some typical applications of butterfly valves are in the water supply, wastewater treatment, slurry services, fire protection, air and gas supply, vacuum services, lubrication system, chemical and oil industries, fuel handling systems, power generation, compressed air and gas services, steam services, food processing, pharmaceutical, marine systems, and sanitary valve application. Basically, Butterfly Valves are suitable for use in
Constant Load Applications
Space-Restrictive Applications
Throttling Valves
Fig. 1: Components of a butterfly valve
There are four main components in a butterfly valve: body, disk, stem, and seat.
Valve body: the body of the Butterfly valves fits two pipe flanges, the most common body design is the lug and wafer type (Fig. 2).
Butterfly valve disk: The disk (disc) is the element that stops the flow. For improving flow, sealing, and operating torque, There are variations in disk design and orientation.
Valve Stem: The stem of the butterfly valve consists of a one-piece or two-piece shaft design. Stem design shall prevent galling potential between similar corrosion-resistant materials.
Butterfly valve Seat: To provide shutoff, the seat of a butterfly valve utilizes an interference fit between the disk edge and the seat. The seat may be bonded, pressed, or locked into the body.
The seat of the butterfly valve is an area that has various designs based on manufacturers. A single-piece flexible PTFE seat is a popular choice. The significance of the single-piece seat is that there are no O-rings or metallic springs to limit the temperature or corrosive conditions that the PTFE seat can be exposed to. With the application of the line pressure, the full cross-section of the seat is pressurized causing the seat to follow the natural deflections of the disc under pressure.
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Metal seats in the butterfly valves have various advantages and should incorporate the following:
good tightness
no jamming
smooth control
low torque
wide temperature range
low cavity relief
good corrosion resistance
Fig. 2: Lug and Wafer Type Butterfly Valve
The main functions of a butterfly valve are
Flow regulation: Flow can be easily controlled or regulated simply by turning the valve wheel.Using a flow controller the process can be automated.
Flow Isolation
Prevention of Backflow: Butterfly valves can be used for backflow prevention in some situations.
Depending on disc closure design, connection design, and actuation method, Butterfly valves can be categorized into several types.
Based on the Disc Closure Design
Concentric Butterfly Valve
Eccentric Butterfly Valve
Single-Offset
Double Offset
Triple Offset
Based on the Piping Connection
Lug type
Wafer Type
Contact us to discuss your requirements of CPVC Gate Valves Wholesaler. Our experienced sales team can help you identify the options that best suit your needs.
Flanged Butterfly Valve
Butt-welded Butterfly Valves for high-pressure applications
Based on the Operation methodManual Actuation
Lever Operated
Gear Operated
Automatic Actuation
Electric
Pneumatic
Hydraulic
Based on Seat Material
Soft Seated
Metal Seated
The concentric butterfly valve is the most basic type of butterfly valve design. In this design, the valve stem passes through the centreline of the disc. This is also known as a zero-offset valve. Concentric butterfly valves are used for low-pressure services.
In an eccentric butterfly valve, the stem does not pass through the centerline of the disc. There are three types of offset valves.
A Single-offset valve is the butterfly valve where the stem is located right behind the centreline of the disc.
In a double-offset butterfly valve design, the stem is located behind the disc with an additional offset to one side.
For highly critical applications, a triple-offset butterfly valve is used. The third offset is in between the disc and seat contact axis. This design results in minimal seat contact thus very less wear and is highly efficient.
Fig. 3: Single, Double, and triple Offset Butterfly Valve Design
The lug-style butterfly valve (Fig. 2) designs have threaded lugs outside the valve body. Using two sets of studs, the valve is connected with piping flanges. One end of the line can be disconnected without affecting the other side since each flange has its own bolts.
A wafer-type butterfly valve is sandwiched between two pipe flanges and the flange bolts surround the valve body. This is the most economical butterfly valve. Long bolts are used to cover both flanges and the valve body. A wafer butterfly valve provides sealing against bi-directional pressure differences in the fluid flow. The wafer version of the butterfly valves is designed to protect against a tight seal and two-way pressure difference.
There are some distinct differences between the Wafer-type and Lug-type butterfly valves. The following paragraphs explain the same.
Lug-style butterfly valves use threaded tapped lugs to mount the valve to piping flanges using bolted connections. On the other hand, wafer-style butterfly valves don’t have attachment lugs. Usually, they have four holes to align with the connected piping. The valve is clamped in between two piping flanges.
A lug-style butterfly is suitable for end-of-line service but wafer-style butterfly valves can not be used for end-of-line services. In case there is a maintenance requirement on the line having water style butterfly valve, the entire line needs to be shut down.
Wafer-style butterfly valves are lighter and cheaper as compared to lug-style butterfly valves.
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The size of butterfly valves used for control purposes is not dictated by the pipe’s nominal diameter. The size is determined based on the operating characteristics to achieve correct control characteristics. To determine the size, the opening angle characteristics should be considered. Typically, some butterfly valves are designed with approximately equal percentage characteristics over an opening of 600.
The maximum working capacity is decided based on the body rating or the seat shut-off capability whichever is lower.
Butterfly Valves provide many advantages as compared to other valve types.
Compact design; little space requirement.
Lightweight; easily supported by the piping system.
Less raw material and less costly.
Quick operation; less opening or closing time.
Easy to Install.
Simple operation due to low operation torque.
Available in very large sizes
Improved energy efficiency
Low-pressure drop and high-pressure recovery
Long valve life
Relatively inexpensive to build.
Less number parts; Hence, reduced maintenance.
Butterfly valves are suitable for control purposes with linear flow characteristics between 300 and 700 openings.
Butterfly valves offer excellent rangeability from 30:1 to 100:1.
However, there are a few disadvantages of a butterfly valve as listed below
Throttling service is limited to low differential pressure
Disc movement is affected by flow turbulence.
The valve disc is always under pressure and can interrupt the flow even in an open position.
The possibility of Cavitation and choked flow is a concern
Poor Sealing function.
Not suitable for high differential pressure.
The main differences between a butterfly valve and a gate valve are tabulated belowButterfly ValveGate ValveButterfly valves provide obstructed flow even in a fully open position.The flow of gate valves is unobstructed in the fully open position.Handling and installation of butterfly valves are quite easy.The handling and installation of gate valves are comparatively difficult.Due to their smaller size butterfly valves need reduced space.As gate valves are bigger in size, more space is required to install them in a piping system.Butterfly valves possess the comparatively less pressure-withstanding capability.Gate valves are suitable for high-pressure applications.Due to the quick operation of butterfly valves, there is a possibility of a water hammer.As the gate valve operating time is more, there is less chance of surge.Butterfly valves have a shorter shaft that is easily accessible.Gate valves possess a longer shaft with difficulty to access.Due to the smaller size, the weight of butterfly valves is significantly less.Gate valves are heavy-weight valves.Butterfly valves are cheaper.Gate valves are quite expensive compared to butterfly valves.Table: Butterfly Valve vs Gate Valve
The main differences between a butterfly valve and a ball valve are produced below in a tabular format.
Butterfly ValveBall ValveButterfly valves are disk-mounted.Ball valves are ball-mounted.Pressure drop through butterfly valves is usually more.Ball valves provide less pressure drop as compared to butterfly valves.Less sealing.More effective Sealing.Butterfly valves are lightweight.Ball valves are significantly heavier.Butterfly valves require less installation space.Ball valves need more space to install.Butterfly valves are less costly as compared to ball valves.Ball valves are costly items as compared to butterfly valves.Table: Butterfly Valve vs Ball Valve
The following symbols are used as butterfly valve symbols in piping isometric and P&ID.
Fig. 4: Butterfly Valve Symbol
Industrial Butterfly valves are designed based on the following butterfly valve standards
API 609
MSS SP-67
BS EN 593
ISO
MSS SP-68
AWWA C504
The following materials are normally used for butterfly valve components
Butterfly Valve BodyDisc MaterialStem materialSeat materialCarbon SteelAluminumCast SteelNeopreneStainless SteelStainless SteelStainless SteelPTFECart Iron EPDMDuctile iron NBRCast Bronze VitonDSS BUNA-NNickel Alloy/Hastelloy Inconel (Metal Seat)Titanium Alloy Stainless SteelTable: Butterfly Valve Materials
The following data should be provided to the butterfly valve manufacturer while ordering
Flange rating/Pressure
Specific gravity, viscosity, material content, and the composition of the fluid to be handled.
Pressure drop or required Cv (maximum)
Flow rate
Design and operating temperatures
Piping moments
Valve body, Disc, Seat material
Valve plate material
Valve diameter or connected pipe diameter
Fig. 5: Butterfly Valves in Operating Plant
The butterfly valve operates based on the quick shut-off principle. The circular disc (butterfly) of the valve is placed in the center of the pipe which allows a rod to go through it to an actuator, on the outer side of the valve. Using the handwheel, the metal disc is rotated to keep the disc parallel or perpendicular to the flow and it allows or closes the flow. So, the operating principle of the butterfly valves is fairly simple. The animation below by the GEMU group clearly shows the butterfly valve working.
Working Principle of Butterfly Valve
There are many butterfly manufacturers in this world. A list of a few of the world-renowned butterfly manufacturers is provided below:
Dezurik
Pentair Valves and Controls
Flowserve Corporation
Fisher Valves
Flomatic Valves
Crane Company
NIBCO
Bray Valves
Zwick
Kitz Corporation
Hobbs Valve
Apollo Valves
Kieselmann
Valworx
Davis
Velan
Emerson Electric Company
L&T Valves
Cameron
Amco Industrial Valves
VIP Valves
Properly selected and integrated with the latest controls and communications technology, butterfly valves can provide an economical, long-term solution to flow control in large process plants, the power industry, refineries, pulp, and paper manufacturing, and food and beverage processing.
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Butterfly valves are a family of quarter-turn rotational motion valves that are used in pipelines to shut-off flow. It is often said that butterfly valves can be used to regulate the flow. However, we do not recommend doing this, as it can damage the valve disk and have a negative effect on the sealing properties. They are used in a wide variety of process media and industries especially in water supply, collection, and distribution, as well as pumping stations, and have a broad range of use cases especially in flow isolation. A couple of their key advantages over other valve families are their simple construction and compactness, resulting in the end products being of lighter weights and lower cost and with smaller installation footprints and faster actuation speeds.
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