Our products

We mainly produce a diverse range of valves complying with multiple standards, including gate, ball, butterfly, check, globe, hydraulic control, steam trap, piston, cryogenic, as well as high-temperature, high-pressure and custom-made valves.

About Us

The products of Shanghai Zidong Valve Co., Ltd. are manufactured strictly in accordance with national and industry standards GB and JB, as well as international and domestic standards such as ISO, BS, API, DIN, JPI, JIS, ANSI, etc. The company has developed and produced gate valves, ball valves, butterfly valves, check valves, stop valves, water control valves, steam traps, plunger valves, low-temperature valves, high-temperature and high-pressure non-standard valves, etc., forming 518 series and nearly 4,000 specifications and varieties...
2015
Established in(Year)
5000
Area(Square Meter)
3000
Partner(Position)
60
Exporting Country(Unit)

Strategic Partner

Every product undergoes full-process quality inspection. Our professional team conducts multi-dimensional checks on raw materials, production processes and finished products following standardized procedures to ensure quality.

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Industry solutions

Our products are widely used in petroleum, natural gas, chemical, power, metallurgy, defense, mining, marine, food, pharmaceutical, water supply, HVAC and urban construction.

Chemical industry

Chemical industry

The chemical industry refers to all enterprises and units engaged in the production and development of chemical industries. This industry extends to various fields and is an indispensable and crucial component of the national economy.

Oil industry

Oil industry

The oil industry is an important part of fuel industry, covering natural oil and oil shale exploration, mining, refining, storage and transportation, and other links, sectors of the national economy to provide all kinds of fuel oil.

Metallurgical industry

Metallurgical industry

The metallurgical industry refers to the industrial sector that involves the exploration, mining, selection, smelting and rolling of metallic minerals to produce finished materials. It includes two major categories: the black metallurgical industry and the non-ferrous metallurgical industry.

Shipbuilding industry

Shipbuilding industry

The shipbuilding industry refers to the sector that designs, builds, and maintains various types of ships and related equipment. It encompasses shipyards, manufacturers of marine equipment, and related service industries, including sub-sectors such as ship design, shipbuilding, ship repair, manufacturing of ship-related equipment, ship trading, and shipping management.

Power station industry

Power station industry

A power station is a factory that converts various primary energy sources contained in nature into electrical energy. The development of motor manufacturing technology, the expansion of the application scope of electrical energy, and the increasing demand for electricity in production have all led to the emergence of power plants.

Pharmaceutical industry

Pharmaceutical industry

The pharmaceutical industry refers to the sector that involves drug research, production, sales and after-sales services. It covers various fields such as chemical pharmaceuticals, biopharmaceuticals, and traditional Chinese medicine, and plays a crucial role in safeguarding human health and improving the quality of life.

Natural gas industry

Natural gas industry

Natural gas is a clean and efficient fossil energy source, with methane as its main component. It covers the entire industrial chain from the exploration, development, production, purification, storage, transportation, sale and utilization of natural gas. It holds an important position in the global energy structure.

New energy industry

New energy industry

New energy refers to renewable energy that can be systematically exploited based on new technologies, including solar energy, wind energy, hydropower, biomass energy, geothermal energy, ocean energy, nuclear energy, etc.

Latest News

安装气动蝶阀时如何确保蝶板的方向正确?
​在安装气动蝶阀时,确保蝶板方向正确是保证阀门密封性、流体通畅性及设备安全运行的关键。以下是具体步骤和注意事项: 一、安装前准备 1、确认介质流向 查阅管道设计图纸或工艺流程,明确介质(气体、液体等)的流动方向。 蝶阀通常有箭头标识或文字标注(如“IN”/“OUT”),需与介质流向一致。 2、检查阀门标识 观察阀体上的流向箭头或文字说明,确保与管道设计匹配。
2025-08-05
阀体结构差异对阀门性能影响的分析
阀体结构差异会直接影响阀门的适用工况、密封可靠性、流通效率及使用寿命,其核心影响体现在材质、流道设计、连接方式、制造工艺及尺寸规格五个方面,具体分析如下: 一、材质差异:决定阀门耐温、耐压与耐腐蚀性 1、金属材料 铸铁:适用于低压常温中性介质(如水、空气),但耐腐蚀性差,易因介质中的溶解氧或电解质生锈,在海水等高盐度环境中会快速腐蚀。
2025-08-05
气动截止阀密封面磨损的原因
气动截止阀密封面磨损是影响阀门密封性能和使用寿命的常见问题,其根本原因通常与机械摩擦、介质侵蚀、操作条件及维护不当等因素相关。以下是具体原因分析及扩展说明: 1. 介质因素 颗粒物冲刷: 若介质中含固体颗粒(如砂粒、粉尘、结晶物等),在阀门开关过程中,颗粒会像砂纸一样反复摩擦密封面,导致表面划痕、沟槽或变形。例如,在矿山排水、化工原料输送等场景中,此类磨
2025-08-05
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