Wenzhou Kangtuo International Trade Co., Ltd. (Est. 2013) is a subsidiary of Kangsaite Automation Group Co., Ltd.(KST), headquartered in the “City of Valves” — Wenzhou, China. The company specializes in industrial and sanitary valves, with products exported to over 60 countries and widely used in petroleum, natural gas, chemical, and other industries. Backed by over 30 years of manufacturing expertise and internationally recognized certifications, we uphold the values of Professionalism, Integrity, and Win-Win Cooperation to be a trusted long-term partner for clients worldwide.
We have passed DNV and ISO9001 quality management, environmental, occupational health and safety management system certifications, and have obtained various certifications such as TS, CE, FDA, ATEX, SIL, API, valve fire prevention, etc.
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Our Partners
Our company has established long-term strategic cooperation with a wide range of partners, including distributors, brand owners, project contractors, importers, manufacturers. With reliable quality and flexible solutions, our products have been widely adopted in key infrastructure and industrial projects. We are currently working with over 800 partners worldwide, covering regions such as USA, Malaysia, UK, Germany, Spain, Australia, Vietnam, South Korea, Russia, Turkey, South Africa, Indonesia, Brazil, Thailand, Tunisia, Mexico, Argentina, Iran, Italy, where our brand continues to gain strong market recognition. Backed by professional support and efficient supply capabilities, we are committed to building mutually beneficial partnerships across the globe. Join us as our local partner and grow together with a trusted global brand. Contact us for more details.
2026 ASIAWATER Malaysia Water Exhibition Focus on ASIAWATER 2026KT: Join us in Malaysia to meet our global clients! Exhibition Information Exhibition Name: ASIAWATER 2026 Exhibition Dates: April 7-9, 2026 Exhibition Venue: Kuala Lumpur Convention Centre, Malaysia Booth Number: Hall 4 | K420
The double eccentric butterfly valve improves upon the centerline design by introducing two offsets, allowing the disc to quickly disengage from the seat during opening. This significantly reduces friction and wear, resulting in longer service life and reliable sealing. Suitable for medium pressure and moderate high temperature applications, it supports bidirectional sealing and works with pneumatic, electric, or hydraulic actuators, making it an ideal choice for water treatment, petrochemical, and power industries.
The triple offset butterfly valve uses a beveled cone sealing surface to achieve near-frictionless operation and bubble-tight zero leakage under high temperature, high pressure, and corrosive conditions. Though more expensive, its low wear and long life make it a cost-effective choice for critical applications like oil, chemical, and power plants.
What is a Concentric Butterfly Valve?Author: LucyA concentric butterfly valve is an industrial valve used for pipeline shut-off and flow regulation. It helps improve the efficiency of piping systems and is also known as a center-sealed butterfly valve.Table of Contents1. Definition2. Main Components
This article provides an in-depth comparison of the structural evolution and performance differences between centerline, double eccentric, and triple eccentric butterfly valves. It analyzes the pros and cons of each type regarding pressure rating, friction loss, and sealing life—from simple interference fits to precision angular displacement seals—offering professional guidance for industrial selection.
This article provides a comprehensive guide to butterfly valves, covering their definition, core components (body, disc, stem, etc.), and working principles. It details the operational processes in open, closed, and throttling states, while comparing manual, pneumatic, and electric actuators, along with the four primary connection methods: Wafer, Lug, Flanged, and Butt-Weld.
