Double flange Worm butterfly valve

Size scope: DN50-DN 1000

Design standard: BS5155, API 609, BS EN593

Test Inspection: BS EN12266. API 598

Working temperature: -5℃~85℃

Working pressure: PN10-16

Suitable medium: Clean Water, Sewage

Send Mobile: +86-173197327665

Product Introduction

Double flange butterfly valve is a type of butterfly valve that has flanges on both ends of the valve body. These flanges enable easy installation and removal of the valve from the pipeline, making it a popular choice for various applications. Double flange butterfly valves are also known for their high flow capacity and excellent sealing ability.

The valve consists of a disc that rotates on an axis to control the flow of fluid through the pipeline. When the disc is in a closed position, the sealing surface of the disc comes in contact with the sealing surface of the valve body, creating a tight seal that prevents any leakage of fluid.

Double flange butterfly valves are commonly used in industries such as water treatment, HVAC, chemical, and food processing. They are available in a wide range of sizes, materials, and designs to suit different applications and requirements.

Why choose us!

  • WESDOM patent products, patent certification

    The product side flanges comply with national, German, Russian, American, British and Japanese standards and other domestic and international standards

    for multiple pressures, easy connection and wide adaptability, which can reduce the type of purchase and stock.

  • The product has an independent identity to ensure traceability

    Each wesdom product has its own unique identification number, to ensure product traceability.

  • Provide material inspection report

    All wesdom products can provide the material inspection report of the main parts.

  • One-stop service

    One-stop service, we not only supply high quality products, also supply solutions and after-sales service.

  • WESDOM has a lot of project experience

    We have a lot of project experience in countries such as Pakistan and the Philippines, WESDOM has always been noticed all over the world, and trust comes from quality.

  • WESDOM has a strict quality control system

    WESDOM has a strict quality control system and before delivery, we test 100% of each product to ensure its quality, promising you a high quality product.


Standard Test

Standard Test


Factory Tour

WESDOM GROUP consists of 5 factories and 4 overseas branches. The five factories are mainly located in Tianjin, Hebei, Shandong, Lianyungang and Wenzhou. The four foreign branches are located in Tanzania, Zambia, Kenya and Indonesia.


Detailed parameters

double flange butterfly valve

DN Size L A B D C H ISO5211 n-ød PN10 n-ødPN16
100 4″ 127 155 114 220 180 225 F07 8-ø19 8-ø19
125 5″ 140 170 125 250 210 240 F07 8-ø19 8-ø19
150 6″ 140 190 143 285 240 260 F07 8-ø23 8-ø23
200 8″ 152 205 170 340 295 305 F10 8-ø23 12-ø23
250 10″ 165 235 198 405 355 335 F10 12-ø23 12-ø28
300 12″ 178 280 223 460 410 380 F10 12-ø23 12-ø28
350 14″ 190 310 279 520 470 410 F10 16-ø23 16-ø28
400 16″ 216 340 300 580 525 480 F14 16-ø26 16-ø31
450 18″ 222 375 345 640 585 530 F14 20-ø26 20-ø31
500 20″ 229 430 355 705 650 600 F14 20-ø26 20-ø34
600 24″ 267 500 410 840 770 676 F16 20-ø30 20-ø36
700 28 292 560 478 910 840 740 F25 24-ø30 24-ø36
800 32 318 620 529 1020 950 800 F25 24-ø33 24-ø39
1000 40 410 735 657 1225 1170 1045 F25 28-ø36 28-ø42


wesdom butterfly valve


Advantages of wesdom butterfly valve!

  • The thickness of valve body wall is up to standard

    The valve body wall thickness meets the requirement of GB 26640, the thickness is up to the standard, and the pressure strength is guaranteed.

  • Valve body/valve plate is made of QT450-10 material

    Valve body valve plate is made of qt450-10 material with spheroidization rate above grade 3, tensile strength of 450Mpa and elongation of >10%.

  • Good sealing and long service life of  valve seat

    The valve seat is made of imported rubber material, with more than 50% rubber content; Elongation at break greater than 350%, valve sealingreliable, long life.

  • Soft back with wide side seat

    Soft backrest wide side valve seat, is advantageous to the valve installation, in the pipeline and flange boss contact surface is wide, sealing performance is reliable. Life is longer than a hard back. And easy to remove and replace.

  • No pin structure to avoid corrosion

    Butterfly plate and valve shaft adopt through shaft without pin structure to avoid leakage caused by hole mounting pin and accelerated corrosion caused by coating damage.

  • Valve body is sprayed with Aksu epoxy powerd

    The valve body is sprayed with world-renowned Aksu epoxy resin powder, which has stronger adhesion and better environmental tolerance after melting and curing.



butterfly valve wesdom

Project Name: Tanzania Water Project

Main Products: Gate Valves, Butterfly Valves, Check Valves, Pipe Fittings, etc.

The customer sent us the installation pictures of the WESDOM product in the working condition project, and the feedback quality is very good, and will maintain a long-term cooperative relationship with WESDOM;

Project Pictures:








If you have any questions, feedback or comments, please fill out the form below and we will reply you back as soon as possible.

 Home  Tel  Mail  Inquiry