Zhejiang Sedelon Valve Co.,Ltd, China gate valve, globe valve, butt weld globe valve, expanding plug valves, stainless steel ball valve, lug-style butterfly valves, cast steel butterfly valves, low temperature ball valves, socket weld end ball valves manufacturer and factory. Welcome to contact us.

The company has passed ISO9001:2008
quality management system certification.

  • Special Equipment Type-examination Certificate-Globe valves
  • Special Equipment Type-examination Certificate-Gate valves
  • Special Equipment Type-examination Certificate-Ball valves
  • Manufacture License of Special Equipment People's Republic of China
  • ISO9001
  • CE-1521-1
  • CE-1521-2
  • CE-1521-3
  • CE-1521-4
  • CE-1521-5
About Sedelon
Sedelon Valve Co.,LtdRead

SedelonValve Company is established in 1998. Based in “the valve county”---Wenzhou, Zhejiang, China, this company integrates manufacturing and trading together.
The main products of this company are Bronze valves, API/DIN gate/globe/ check valves/butterfly valve/plug valve, ball valves and forged steel valves. Its products have been widely used in petroleum, petrochemical, chemical, metallurgy, electric power, water conservancy, machinery and many other fields.
In order to provide customer high-quality and better service, the company has equipped the system certification such as API6D, CE, ISO9001, TS, ect.
We have a strong technical and management team which is formed by advanced technical experts, engineers, managers, salesmen. We emphasize the importance of teamwork. Working together and helping each other, we are just like a big and warm family.

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  • Sedelon® Top-entry Ball Valves
    Sedelon® Top-entry Ball Valves

    Top entry ball valve is mainly used in pipeline and industry system. It has top entry and on line maintenance function and many other advantages, such as small fluid resistance, simple structure, small volume, light weight, reliable sealing, convenience for operation and maintenance, quick and flexible opening and closing. Top entry series ball valve with trunnion mounted ball, which is ground, polished and hard face treated on the surface. The ball and stem is integrated, sliding bearing is installed on the external bore so that the friction radius is small and operation torque is very low. It is possible to remove the bonnet of the Top-entry valve allowing free access to the body cavity without dismantling the valve from the line. A set of special maintenance tools permits to take out both ball and seat-rings; this maintenance operation requires very little space around the valve, thus allowing it in areas where space is a limiting factor. Top Entry construction is available in forged or cast execution, one piece symmetric body closed by a bolted bonnet. The range includes both full and reduced bore, pressure ANSI class from 150 to 2500 , with all possible combination of ends connections: flanged (RF-RTJ), butt welding and HUB ends.

  • Sedelon Passed the Review of API
    Sedelon Passed the Review of API

    Recently, Sedelon successfully passed the review of American Petroleum Institute-( API) and was qualified to maintain the certificate of API Q1 and API Spec 6D and in accordance with the provisions of the License Agreement. API certificate is a crucial and necessary promise to client in the worldwide. At present, the API Monogram licenses more than 800 pipeline valve manufacturer(API 6D) and 12 bolted bolted steel gate valve(API 600) in 70 countries. Sedelon are honored to have the acknowledge API American petroleum institute, the quality system is mainly used in petroleum, petrochemical and gas industry with the standardization of equipment management work. API quality system in the United States and other countries and regions all over the world enjoy a high reputation. After a strict retest by the special expert appointed by API authority, Sedelon proves it has excellent ability and stable management system to ensure the high quality products to every customers. Sedelon aiming at leading the high-end market, striving to research & develop creative and high quality products. For instance, Sedelon was researching the fugtive emission valves which is tested by helium and equipped with high density packing (Chesterton or Burgmann) protected the environment in a large extend. In this meeting , API expert Mr Lan spoke highly of Sedelon ‘s perdormance of quality management, recommending to keep the API certificate after inspecting the in order on-site operation but also gave advise to promote the management system for a long term development. API certificate inquiry website:

  • Sedelon® Spare Parts in Warehouse
    Sedelon® Spare Parts in Warehouse

    Think about the last time when you visited one factory, which parts mostly attracted your eyes unless the production equipment and testing equipment, surely warehouse would be the next one, right? To provide superior quality and excellent service, exact