Home > Products > BUTTERFLY VALVE > Concentric Flange Type


Home > Products > BUTTERFLY VALVE > Concentric Flange Type

Resilient Seated Double Flanged Butterfly Valve

The flange butterfly valve, featuring two concentric discs controlled by a stem, provides precise flow regulation with minimal torque. Its quarter-turn operation ensures reliable shutoff, making it ideal for various industries like water treatment and food processing. Versatile applications include controlling HVAC systems and gas lines.

Product Details


Flange butterfly valve is a type of valve used in industrial and commercial applications to regulate the flow of liquids, gases, and other materials. It is designed with two concentric metal discs - or "butterflies" - connected to an open stem which passes through the disc center. The stem turns operating the two discs as they rotate simultaneously either open or closed due to the mechanical connection between them. This allows for precise control over flow rate adjustment by slowly opening and closing the valve.


They provide reliable shutoff capability due their quarter turn operation principle without requiring excessive torque since only minimal pressure is needed for operation making them ideal solutions for many industries such as water treatment centers, food processing plants etc.. In addition their versatility also makes them suitable for many different types of applications like controlling air conditioning systems in factories, regulating gas lines at home etc.




Face to FaceBS5155,ISO5752
Mounting FlangeISO5211
Working PressurePN16(200PSI)
ApplicationWater works,Public facilities,Building Industry,Petrolem,Chemical,Steel,Metallurgy,Paper Making Industry,Foods,Beverage


1.Outstanding bidirectional sealing, low torque, 

2.Linear flow, excellent regulation, 

3.Simple flange installation, diverse sealing options, 

4.Integrated seat ring for longevity, 

5.Robust corrosion resistance, suitable for cutting and trimming.



 IMGV---Tianjin Union Valve Co., Ltd. is a professional valve manufacturer with high quality products and internal management standards. It has a high reputation in the foundry industry. Our company has a modern factory, advanced manufacturing processing and testing equipment, strong technical force.DN50 DN100 Ductile Iron Gearbox Grooved End Butterfly Valve

We have More than 200 employees, more than 30 years of professional experience, skilled technicians and operators, the products passed ISO 9001:2015 and CE certification, our main products are concentric butterfly valve,eccentric butterfly valve, triple-eccentric butterfly valve, soft seat gate valve, ball valve, check valve, Y-strainer, rubber joints, etc. With product quality and perfect service system, it is sold in dozens of countries and regions such as Europe, America, Southeast Asia, Middle East, Australia, North Africa, South Korea, Hong Kong,Taiwan and so on. Our company's purpose is: professional and technical support, perfect after-sales service!
We welcome you to contact us for more information and look forward to working with you!

DN50 DN100 Ductile Iron Gearbox Grooved End Butterfly ValveDN50 DN100 Ductile Iron Gearbox Grooved End Butterfly Valve DN50 DN100 Ductile Iron Gearbox Grooved End Butterfly Valve

1. Q: Are you a manufacturer or trading company ?

A: we are valve manufacturer and factory ,and not trading company.

2. Q: Do you have agent or representative abroad?

A: We dont have agent abroad,please contact us to purchase valves


3. Q: What's your product range?

A: We can produce Butterfly valve,Gate valve,Check valve,Y strainer,Rubber Joint


4. Q: Is there any stock in your factory? and how about your lead time?

A: We stock valves with normal sizes. The lead time depends on your quantity,

generally 30-35 days.

5. Q: Which countries do you export to ?

A: We export directly to vast majority of countries in the world.

6. Q: What certificates will you provide ?

A: We can provide CE/ ISO / WRAS

7. After-sales service
18 monthes year warranty for all kinds of products
As an experienced manufacturer, you can rest assured of the quality and sales service

8. Payment
T/T, L/C, OA, D/P, D/A

Transported by DHL, UPS, EMS, Fedex, SF, by Air, by Sea

10. Do you provide free sample?
Free sample is ok for us.

11. Do you accept custom design on size?
Yes, if the size is reasonable