Double Flanged Butterfly Valve Body for Replaceable Seat

Designed with flanged ends for secure and easy installation between two pipe flanges. This valve body supports a replaceable seat, allowing for easy maintenance and extended valve life by enabling the seat to be replaced without removing the entire valve from the pipeline.


  • Size: 2”-48”/DN50-DN1200
  • Pressure Rating: PN10/16, JIS5K/10K, 150LB
  • Warranty: 18 Month
  • Brand Name: ZFA Valve
  • Service: OEM
  • Product Detail

    Product Detail of flanged butterfly valve body

    Size & Pressure Rating & Standard
    Size DN40-DN1200
    Pressure Rating PN10, PN16, CL150, JIS 5K, JIS 10K
    Face to Face STD API609, BS5155, DIN3202, ISO5752
    Connection STD PN6, PN10, PN16, PN25, 150LB, JIS5K, 10K, 16K, GOST33259
    Upper Flange STD ISO 5211
    Material
    Body Cast Iron(GG25), Ductile Iron(GGG40/50)
    Disc DI+Ni, Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, DI/WCB/SS coated with Epoxy Painting/Nylon/EPDM/NBR/PTFE/PFA
    Stem/Shaft SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel
    Seat NBR, EPDM/REPDM, PTFE/RPTFE, Viton, Neoprene, Hypalon, Silicon, PFA
    Bushing PTFE, Bronze
    O Ring NBR, EPDM, FKM
    Actuator Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator

    Product Display of flanged butterfly valves

    flange butterfly valve bodies for soft seat
    double flange butterfly valve bodies
    di double flange butterfly valve bodies for replaceable seat

    Advantage of butterfly valve double flanged body

    The advantages of double flanged butterfly valve body for replaceable seat: 

    1. The replaceable seat design allows for quick and easy seat replacement without removing the valve from the pipeline, reducing downtime and maintenance costs.

    2. The butterfly valve body with replaceable seat allows for optimal sealing performance, ensuring a tight shut-off and minimizing the risk of leaks, even after extended use.

    3. The double-flanged ends ensure leak-proof connection between the valve and the pipeline, improving overall system reliability comparing the wafer butterfly valve.

    4.  The double-flanged design simplifies alignment and installation between flanges of pipes, ensuring proper fit and reducing installation time.

    5. Top Flange Standard ISO 5211.

    6. The valve is designed to meet or exceed international standards such as ISO, API, and ASME, ensuring reliability, safety, and quality in critical applications.

    FAQ of zhongfa butterfly valve

    About Company:

    Q: Are you a Factory or Trading?
    A: We’re a factory with 17 years production experience, OEM for some customers around the world.

    Q: What is your After-sales service term?
    A: 18 months for all our products.

    Q: Do you accept custom design on size?
    A: Yes.

    Q: What's your terms of payment?
    A : T/T, L/C.

    Q: What is your transportation method?
    A: By sea, by air mainly, we also accept express delivery.

    About Products:

    1. What is a single flange butterfly valve body?
    A single flange butterfly valve body is a main component of the single flanged butterfly valve, is a type of valve used to control the flow of a fluid in a piping system. It consists of a disc that rotates around a central axis which allows for quick and efficient flow control.

    2. What are the applications of a single flange butterfly valve?
    Single flange butterfly valves are commonly used in various industries such as water treatment, sewage treatment, chemical processing, and power generation. They are also used in HVAC systems and in shipbuilding.

    3. What are the advantages of a single flange butterfly valve?
    Some of the advantages of a single flange butterfly valve include its lightweight and compact design, low pressure drop, ease of installation, and low maintenance requirements. As its FTF is the same with wafer butterfly valve.

    4. What is the temperature range for a single flange butterfly valve?

    The temperature range for a single flange butterfly valve depends on the material of construction. Generally, they can handle temperatures ranging from -20°C to 120°C, but higher temperature materials are available for more extreme applications.

    5. Can a single flange butterfly valve be used for both liquid and gas applications?

    Yes, single flange butterfly valves can be used for both liquid and gas applications, making them versatile for a wide range of industrial processes.

    6. Are single flange butterfly valves suitable for use in potable water systems?

    Yes, single flange butterfly valves can be used in potable water systems as long as they are made from materials that comply with the relevant drinking water regulations and standards, so we get the WRAS certificates.

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