Butterfly Valve Manufacturers

The butterfly valve is a quarter-turn valve which has a circular disk as its closing element, with the valve stem running through the disk, giving a symmetrical appearance. Types range from inexpensive resilient seats to metal seats used in high temperature environments and zero leakage designs. Learn more about butterfly valves.

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Showing 1-25 of 280 Manufacturers
Logo for Asahi / America Asahi / America (Andover, MA)

Manufacturer, Distributor


Asahi manufactures several different butterfly valves that have a wide range of applications. Types of applications include isolation valves, control valves, chemical processing, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation.  Asahi's butterfly valves are quarter turn valves with equal percentage type flow characteristics. They provide moderate flow control and therefore can be used for both on/off and modulating service. Good tolerance to suspended solids but not recommended for use with slurries or debris.

Product(s) by Asahi / America
Logo for Global Hose & Industrial Sales Co (SDVOSB) Global Hose & Industrial Sales Co (SDVOSB) (Nashville, TN)

Manufacturer, Contract Manufacturer, Distributor, Service Company


Our Butterfly valves are available in many materials to meet a wide range of needs and are available in Handel, Gear, or actuator operation. These highly versatile Butterfly valves are used in the following industries: Chemical, Power, HVAC, Marine, Petro Chemical, Pulp and Paper, Water and Waste Water, Dry Bulk Handling, Food and Beverage, Oil & Gas Drilling Production, Mining and more…
Sizes 2" thru 48", 150 -200 PSI, MSS SP-67 & API 609 Compliant, ASME B16.5 Flanges, ISO 5211 Mounting Pad.

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Product(s) by Global Hose & Industrial Sales Co (SDVOSB)
Logo for Dwyer Instruments, Inc. Dwyer Instruments, Inc. (Michigan City, IN)



Dwyer Instruments is a leading manufacturer in the controls and instrumentation industry, and we continue to grow and serve major markets including, but not limited to HVAC, chemical, food, oil and gas, and pollution control.

Product(s) by Dwyer Instruments, Inc.
Logo for Stockton Valve Products, Inc. Stockton Valve Products, Inc. (Houston, TX)



Stockton Valve carries a large selection of High Performance Butterfly Valves. Whatever your application, contact us for the fastest delivery on High Performance Butterfly Valves. Stockton Valve keeps lug and wafer style High Performance Butterfly Valves ranging from 3″ – 24″ in size, 150#, 300#, and 600# classes, in various trims in stock. An even larger variety of High Performance Butterfly Valves are available to order.

Lumaco Sanitary Valves (Hackensack, NJ)



The workhorse of the line- a heavy-duty model at moderate prices - The Betterfly! This series of butterfly valves include the MANUAL BETTERFLY (butterfly) VALVE and the AIR-ACTUATED BETTERFLY (butterfly) VALVE.

BI-TORQ Valve Automation (La Fox, IL)

Manufacturer, Contract Manufacturer, Distributor

BI-TORQ® Valve Automation offers complete butterfly valves packages with pneumatic or electric actuators to fit a wide variety of applications. With standard stainless steel discs, choices of EPDM, BUNA-N, Viton or TFE seats, and wafer or lug style connections, we can provide a butterfly valves to suit your needs. We even stock metric (DN) flanged butterfly valves for systems manufactured in Europe or Asia. All of our butterfly valves units are fully assembled and tested by our factory-trained personnel, giving you confidence that you will receive a product ready to drop right into line. Besides our standard assemblies, we also offer customized automated valve packages to suit virtually any application.

Don Johns (Chicago, IL)

Contract Manufacturer

ABZ Valve's 2" Thru 48" Quality High Performance Butterfly Valves. Size range includes 2"-72", and are Soft Seated, metal seated and fire safe. Free floating seat design; Underneath Drawn Gland Packing; Wafer, Lugged, Double Flanged, Butt-welded in double and triple offset design; Wafer, Lugged, Double Flanged, Butt-welded in double and triple offset design API 609, API 598, API 607, MSS-SP-68

Defontaine of America - Definox Valves (New Berlin, WI)


DEFINOX butterfly valves have been made for several years using a choice of materials and machining conditions that guarantee top quality strength and surface finish. The various seal types and numerous accessories make this a highly versatile valve. Butterfly valves are available in DPX manual valves or DPAX automated valves.

Triad Process Equipment (Milford, MI)


Offers cartridge seated butterfly valves for easier installation and use, a marked improvement over the booted seat design.

Valtorc International (Kennesaw, GA)


Valtorc's butterfly valves provide an economical solution to flow control with their bi-directional service. Our butterfly valves are available in various materials, such as stainless steel, carbon steel, PVC, ductile iron and aluminum. Butterfly valves typically come in wafer or lug configurations and are available in double offset, triple offset, AWWA (American Water Works Act) and 3-way butterfly valve configurations in various sizes between 1" up to 48" - lead free with gear operator or standard lever handle for manual mode with the option of butterfly valve automation. Valtorc butterfly valves are ARRA compliant and always shipped out of our USA factory location. If there is a valve you have question on, or if you do not see a valve that meets your specifications, please contact our sales staff for immediate assistance.

Texan Supply (Baytown, TX)


Texas Supply carries Crane and Alcoyco butterfly Valves. Most sizes, pressures and end connections available from stock.

SEMCOR (St. Louis, MO)


SEMCOR offers a wide variety of butterfly valves from some of the country's best known butterfly valve manufacturers. SEMCOR carries butterfly valves from manufacturers such as Amri, Richter, Apollo, and others.

Grinnell Mechanical Products (Lansdale, PA)


The GRINNELL Model BFV-N Butterfly Valves provides for efficient control of on/off or throttling/balancing service, fluid flow, and "bubble tight" shut-off in piping systems. Flow can be from either direction and the valve may be positioned in any orientation. The butterfly valves are furnished with grooved ends for use with grooved couplings and can be easily adapted to flanged components using GRINNELL Figure 71 Class 150 Flange Adapters.

Milwaukee Valve Co. (New Berlin, WI)

Manufacturer, Distributor

Resilient-seated wafer & full-lug body styles are available in sizes 2" - 48". All iron butterfly valves have phenolic-reinforced liners & 416 SS blowout proof stems. Liner materials include EPDM, Buna-N, Viton*, Hypalon* and FDA Neoprene. Disc materials include aluminum bronze, DINP, 316 SS, epoxy & nylon coated. Operators include 10-position lever (locking standard), gear operators and stem extensions. All Milwaukee butterfly valves can be easily automated with pneumatic or electric actuators.

Assured Automation (Clark, NJ)


Assured Automation supplies a complete range of actuated butterfly valves. Our stock inventory includes a huge selection of both manual and automated butterfly valves, and we are able to provide custom solutions for any industry or application.

Posi-flate (St. Paul, MN)


Other Valves Fight Friction. We Designed It Out! Unlike other butterfly valves that seal with friction, Posi-flate's unique butterfly valves uses an inflatable seat to seal with air pressure. Thus it requires less torque and a smaller actuator, resulting in lower overall valve cost. Plus, the seat automatically compensates for wear, providing longer valve life.

ARI Valve Corp. (Marietta, GA)


ARI Butterfly Valves are in service all around the globe. ARI Butterfly valves are available with threaded eyelets and notch lever, lock lever, gearbox, pneumatic/electric actuators; standard disc of stainless steel 1.4581 and of 1.4401(DN 100-300), CuAI optional!

Crane Valve Group (Signal Hill, CA)

High performance, resilient seated, double-eccentric, triple offset and special purpose butterfly valves. Types include Double-Eccentric Butterfly Valves, High Performance Butterfly Valves, Special Purpose Butterfly Valves, Triple Offset Butterfly Valves and Resilient Seated Butterfly Valves

Automation Service (Earth City, MO)


Automation Service offers the re-manufactured Fisher 9500 Butterfly Valves. E-Series Sliding Stem Globe, Rotary, Butterfly valves. We also offer the re-manufactured Fisher 8500 Butterfly Valves.

Apollo Valves (Matthews, NC)


Apollo Valve offers a variety of butterfly valves. Butterfly valve types include the WD141 Series which is Wafer Style, Ductile Iron, Butterfly Valve 2" to 24" and the WD149 Ductile Iron Butterfly Valves which are ideal for use in Industrial and HVAC/Mechanical applications. WD145 Series is a wafer style. Apollo's butterfly valve series LC149 and LD141 are both Lug Style, Ductile Iron, Butterfly Valve, Size: 2" to 24". Apollo's LD145 Series Ductile Iron Butterfly Valves are ideal for use in Industrial and HVAC/Mechanical applications. LD145 Series is also a lug style.

Sure Flow Equipment Inc. (Tonawanda, NY)


Sure Flow Butterfly Valves combine the balance of an economical valve with the performance you expect in a Commercial, HVAC and an industrial butterfly valve. All butterfly valves shall meet API-609 MSS-SP-67 ISO 5272 face-to-face dimensions. Valve sizes from 2" to 12" are rated at 200 psig WOG service and valve sizes from 14" to 30" are rated at 150 psig WOG service.

Tantaline Inc. (Waltham, MA)


Tantaline treated acid resistant butterfly valves offer the highest corrosion protection possible an represent an attractive solution cost-performance wise compared to Hastelloy, titanium, zirconium and tantalum butterfly valves. Teaming up with leading butterfly valve suppliers, Tantaline is able to offer a wide variety of acid resistant butterfly valves for the most corrosive applications.

Apco-Valve & Primer (Schaumburg, IL)


DeZURIK designs and manufactures more valves for the markets we serve than anyone else. High Performance Butterfly Valves, AWWA Butterfly Valves, Resilient Uninterrupted Seated Butterfly Valves, Resilient On Center Seated Butterfly Valves and others.

NIBCO Inc (Elkhart, IN)


Top Line Process Equipment Co ( Barstow, CA)

Manufacturer, Contract Manufacturer, Distributor, Service Company

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Results 1 to 25 of 280

About Butterfly Valves

A butterfly valve is similar to a ball valve, except that the ball-shaped mechanism inside is replaced by a disc or plate that rotates on a rod or trunnion. Unlike the ball valve, which presents a perpendicular face to the flow, the butterfly valve can be positioned either perpendicular to parallel to the flow. This construction allows for flow control (called throttling) that the ball valve is not able to achieve. Since the disc is always present in the flow, a butterfly valve causes a pressure drop, regardless of its state.

Types of Butterfly Valves

The wafer style butterfly valve is a common and relatively inexpensive construction that is designed to prevent backflow in unidirectional flow systems by maintaining a seal against pressure in either direction. This is achieved through with tightly fitting seals such as gaskets, o-rings, or precision machined seals. Lug-style butterfly valves are reduced pressure rating valves using threaded inserts on both sides of the valve body. They are installed between two flanges, which allows one side of the flow system to be disconnected without disturbing the other side.

The Triple Offset Torque Seated (TOTS) butterfly valve is one in which the offset design does not allow the metal seal to come into contact with the metal seat except at full closure.

Butterfly Valve Uses

Butterfly valves are used for many of the same purposes as ball valves, but since they provide a great measure of control, they can be utilized on larger lines, such as firefighting apparatus, front and rear suction ports and tank-to-pump lines.

Butterfly Valve Design

Like ball valves, butterfly valves are quarter-turn devices that can be operated manually or by an actuator. Unlike ball valves, the design of butterfly valves prohibits pockets in which fluids may become trapped when the valve is closed. However, this design is not easy to clean, so is recommended for use with flow materials that contain fewer contaminants, such as sterile, medical or food processing applications.

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