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    Butterfly Valve Series

    Butterfly valve is a kind of valve to open, close or regulate the flow of medium by reciprocating the disc type opening and closing parts about 90°.

    Ball Valve Series

    Ball valve, the opening and closing parts (ball) driven by the valve stem, and around the ball valve axis for rotary motion of the valve. 

    Gate Valve Series

    Gate valve is an opening and closing member of the gate, the movement direction of the gate is perpendicular to the direction of the fluid, the gate valve can only be fully open and fully closed, can not be used for regulation and throttling. 

    Globe Valve Series

    Globe valves, also known as cut-off valves, are forced-sealed valves, so when the valve is closed, pressure must be applied to the valve flap to force the sealing surface not to leak. 

    Check Valve Series

    Check valve refers to the opening and closing parts for the round valve and rely on their own weight and media pressure to produce action to block the medium backflow of a valve. 

    Regulating Valve Series

    Regulating valve refers to the adjustment of medium flow, pressure, temperature, liquid level and other process parameters in the field of industrial automation process control, according to the control signal in the automation system, automatically adjust the opening of the valve, so as to realize the adjustment of medium flow, pressure, temperature and liquid level. ​

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  • About Us

    About Us

    Dianjian Valve Group Co.LTD. (referred to as "Dianjian Valve") was founded in 2002, is a collection of research and development, design, manufacturing, sales and service in one of the specialized valve industry enterprises, the registered capital of 108 million yuan, the group's headquarters is located in Longwan District, Wenzhou City, Zhejiang Province, Yongxing Street, Hongkong New Area, the production base is concentrated in the Lianshe City, Lishui City, Zhejiang Province, Liandu District.

    Leader Speech

    It is a great honor to meet with all of you in DECC to work and start a business together! Ltd. ("DECC" for short) is a dream enterprise, welcome to come to DECC to share the joy of work and entrepreneurship with all of you who have a dream.

    Corporate Culture

    "Sincerity is eternal, innovation is infinite", be the person who puts people's mind at ease, do the thing that puts people's mind at ease.

    Development History

    Dianjian Valve Group Co.LTD. (referred to as "Dianjian Valve") was founded in 2002, is a collection of research and development, design, manufacturing, sales and service in one of the specialized valve industry enterprises, the registered capital of 108 million yuan, the group's headquarters is located in Longwan District, Wenzhou City, Zhejiang Province, Yongxing Street, Hongkong New Area, the production base is concentrated in the Lianshe City, Lishui City, Zhejiang Province, Liandu District.

    Honor

    Dianjian Valve Group has 17 existing utility model patents (including 7 in Lishui), is a member of Sinopec's first-class supply network, and Dianjian Lishui was awarded the Small and Medium-sized Science and Technology Enterprise of Zhejiang Province in 2021.

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    "High-quality consciousness, sincere service", DEC Valve Group is looking forward to your feedback and suggestions.

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J41H

Flange cast steel stop valve

Stop valve is widely used in petroleum, chemical industry, food, medicine, metallurgy and other industries as truncation and adjustment equipment, especially with its unique structure, the accuracy of adjustment is easy to control, so it is a good choice to choose the regulating stop valve to adjust the flow

Product parameters

The stop valve is also known as the cut-off door. The opening and closing parts move up and down the center line of the sealing surface of the valve seat to make the valve open and close. The path is perpendicular to the seal, so the sealing surface is frictionless in the process of opening and closing, and the service life is long​

Standard specification

Standard of design

GB/T 12235

Structural length standard

GB/T 12221

Flange connection standard

JB/T 179.1

Inspection and test standards

GB/T 26480
 

Main parts materials

Valve body, valve cover

WCB、CF8、CF8M、Chromium molybdenum steel

Valve stem

2Cr13、304、316、

Chromium molybdenum vanadium steel

Valve disc


WCB+D507、CF8+STL、
CF8M+STL、Chromium molybdenum steel+STL

Copper nut nut

Aluminum bronze