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About Douson

A professional valve manufacturer integrating R&D, design, manufacturing, sales and service

Suzhou Douson is one professional valve manufacturer integrating R&D, design, manufacturing, sales and service. We go beyond product standards and customer’s requirements, and leverage our expertise at every stage from design to fabrication to enhance customer experience.
Design temperature is from -196 to 650 °C, pressure is up to 4500Lb, including both onshore and offshore, and the production line cover Ball valve, Gate, Globe, Check, Butterfly valve, Subsea valve, Douson provides engineered flow-control solutions in Petroleum, chemical, natural gas, power generation, coal chemical, offshore and marine fields.

  • 2007

    Founded from 2007

  • 1500

    Registerd with usd15 million

  • 20000

    Coverd the area 20,000 square meter

  • 100 +

    我们呈现出你们的幸福

Product

Providing reliable and complete solutions of industrial valve for global customers

Product

TA, TB series, Side-entry, soft seated Trunnion mounted ball valve
TA, TB series, Side-entry, soft seated Trunnion mounted ball valve
TC Series Casting Side-entry Trunnion mounted ball valve
TC Series Casting Side-entry Trunnion mounted ball valve
FCM, FDM series Floating Metal seated ball valve
FCM, FDM series Floating Metal seated ball valve
FA, FB series Floating ball valve
FA, FB series Floating ball valve
FC, FD series Forged Floating ball valve
FC, FD series Forged Floating ball valve
TEA, TEB series Top entry Trunnion mounted ball valve
TEA, TEB series Top entry Trunnion mounted ball valve

Applications

Products are designed for a wide range of industrial applications and services

Crude Oil & Natural Gas are the main raw materials of the petrochemical industry. Refineries essentially treat crude oil through thermal cracking and produce mainly liquid fuels with different densities, properties and final use...
The Chemical industry has a variety of features such as diversified products, sophisticated processes, potential for high measures of discharged pollutants, and high toxicity levels...
As a professional valve manufacturer, Douson Valve has long implemented the core values of “Technology as the basis, quality as the fundamental, talent as the core” while adapting to the country’s strategic needs for energy development...
Douson pipeline valves are designed and manufactured according to API6D & ISO14313, products range include Side entry and top entry trunnion mounted ball valve, fully welding ball valve, through conduit gate valve, full opening check valve, etc...
Douson is a professional valve manufacturer for offshore topside systems including Platforms, FPSO, and FLNG. Because of the severe operational conditions (corrosive environment, high pressure, salty air & water, deep water etc.)...
液化天然气(Liquefied Natural Gas,简称LNG),主要成分是甲烷,被公认是地球上最干净的化石能源。无色、无味、无毒且无腐蚀性,其体积约为同量气态天然气体积的1/625,具有便于运输和存储的特点...
Power generation that uses conventional steam thermal expansion into turbines is still the most diffused and traditional method to produce the main demand of power for industrial activities and civil applications...
海洋石油的开采与生产一开始是在浅海区如欧洲北海,里海&地中海包括波斯湾进行钻井开采。随着墨西哥湾深海开采技术的不断发展,中国,巴西,西非等地也陆续成为石油天然气的开采地区...

Contact us

No. 42 Guijiaxiang, Xinglong Street, Suzhou Industrial Park, Suzhou City

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