Three eccentric metal hard seal flange butterfly valve

Size Range: DN40~DN2000

Pressure: 0.6MPa~4.0MPa

Valve design:BS 5155,EN593,API609

Face to Face:BS EN558-1,ANSIB16.10-92

Pressure test:API598,FIS2003-87,GB/T 13927-92

Product Introduction

This series of butterfly valves is a new generation of patented products which is independently researched and developed by our company, no pin connection is through a valve rod milling flat straight connected with the butterfly plate matched, with countersunk head bolt is fixed, is more convenient in assembly, firmer connection security. Use triple eccentric sealing structure, no mechanical wear, can achieve zero leakage, with bidirectional sealing function superior, is used as the best device in oil, chemical industry, metallurgy, electric power, building materials, food, medicine, water supply, and drainage, gas delivery of different media, such as adjust, cut off or connected to the fluid flow.

WESDOM valves are installed all over Asia, Africa continent, the Middle East, and throughout Europe. They have justifiably acquired a faultless reputation for their durability, reliability, and quality worldwide.

Why choose us!

  • Our advantage

    We’ve been in the valve industry for more than 25 years. WESDOM GROUP consists of 5 factories and 4 overseas branches. We face the global valve

    service. Its product classification is complete, the commonly used product size is sufficient, and you can buy it with confidence!

  • Our Mission

    To be a high-quality supplier of fluid control systems and plan maker; To contribute our wisdom and strength to the development of the cutting-edge

    technology of fluid control systems.


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

wesdom butterflt valve

Triple eccentric Flange butterfly valve Standard:

Design and Manufacture Conform to EN 593, API609,  JIS

Flange dimensions Conform to EN 1092-2 PN10, PN16, JIS5K, JIS10K,ANSI B16.1,DIN2501,BS4504

Face to Face dimensions Conform to EN558 series

Top Flange dimensions Conform to ISO5211

Testing Conform to API598、EN12266-1


Triple eccentric Flange butterfly valve features:

Protection of gearbox IP 68-8 (submersion up to 8 m of water) and actuator IP 68 (submersion up to 8 m of water, during 96 hours and 10operations)

With position indicator.

Clockwise Close (CC).

For installation above ground and in non-flooded chambers.

Designed and tested to an endurance level of 2500 cycles minimum, inaccordance with EN 1074-1 and 2.


Triple eccentric Flange butterfly valve Application:

Potable water supply pipelines and treatment plants.

Transportation of filtered and recycled water.

Irrigation distribution networks.

Water-pumping stations and hydroelectric plants.

Nuclear industry, fire safety and storage facilities.

wesdom butterfly valve

Project Name: Pakistan Sewage Treatment Plant Project

Main Products: Flanged/lug Butterfly Valves and Gate Valves

This case is an old customer from Pakistan. Because he has purchased valve products from WESDOM many times, he has very high trust and evaluation on WESDOM. He needs a lot of butterfly valves and gate valve products in the sewage treatment plant project which he is responsible for. They sent the requirements to the businessman of WESDOM's international trade department without hesitation. Of course, WESDOM still returns this old customer in Pakistan with high-quality products and preferential prices;

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

Project Pictures:



wesdom butterfly valve




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