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    Forged steel flange gate valve
    Model : Z41Y
    Caliber :DN15-100
    Medium : Water, steam, oil, nitric acid, acetic acid, etc.
    Pressure : 1.6-16MPa
    Applicable Temperature : -29~350℃
    Applicable Industries : Urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, environmental protection
    Online Message
    Order Notice

    Forged steel flange gate valve has the characteristics of small fluid resistance, applicable pressure and temperature range, etc. It is one of the most commonly used cut-off valves, used to cut off or connect the medium in the pipeline. At present, the domestic gate valve generally adopts the three design structure of the 1970s. Compared with the gate valves in advanced countries such as the United States and Japan, the structure is bulky, the valve body material is incomplete, and the sealing performance is unreliable. The sealing performance is not reliable. Especially for the low-pressure gate valve of PN1.0MPa, there are only cast iron materials in China. The cast iron gate valve often suffers from serious problems such as freezing and cracking of the valve body and falling off of the gate. The carbon steel stem of the cast iron gate valve is easy to rust, the packing gasket is of poor quality, and the internal and external leakage is serious. For corrosive medium conditions, the domestic lack of PN1.0MPa stainless steel gate valves suitable for low-pressure systems, replacing them with higher-pressure stainless steel gate valves not only increases the project or project investment, but also causes unnecessary waste of stainless steel materials.


    1. It meets the requirements of advanced standards at home and abroad, with reliable sealing and excellent performance.

    2. The valve body has a complete range of materials, and the packing and gasket can be reasonably selected according to the actual working conditions or user requirements, which can be suitable for various pressure, temperature and medium working conditions.

    3. It adopts wedge-type elastic gate structure, medium and large diameters are equipped with rolling bearings, which is easy to open and close.

    4. A variety of piping flange standards and flange sealing surface types can be used to meet various engineering needs and user requirements.

    5. Developed PN1.0MPa low-pressure carbon steel gate valve, which can replace iron gate valve, effectively solving the problems of cast iron gate valve shell easy to freeze and crack, gate easy to fall off, valve stem easy to rust, and sealing performance is unreliable.

    6. Developed PN1.0MPa low-pressure stainless steel series gate valve, which can be applied to various corrosive media working conditions, reduce costs and save materials.

    Scope of application:

    Forged steel flange gate valve is suitable for the nominal pressure PN1.0~16.0MPa, working temperature -29~425℃ (carbon steel) and -40~200℃ (stainless steel) on the famous pipeline, used to cut off or connect the pipeline Medium. Through the selection of different materials, it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media, and urea. The driving methods are manual, bevel gear transmission and electric.


    Stable Operation / Thick Valve Body / Reliable Quality

    WNT Strength Manufacturing, Assured Quality, Factory Quality Inspection
    • Low noise and stable

    • Energy-saving energy

    • Running smoothly

    • Not easy to rust

    • Low failure rate

    • Machinery Seal


    Ingenuity Craftsmanship, Excellent Quality, Years Of Experience

    • Thickened Body

      Not easy to burst, good sealing, not easy to leak

    • Stable Performance

      Nearly 20 years of experience in the valve industry, reliable quality

    • Meticulous Workmanship

      Smooth and beautiful surface, stable structure

    • Strong Connection

      Strong connection, not easy to loosen

    Forged steel valves are mainly used in the pipelines of various systems in thermal power plants to cut off or connect pipeline media. Applicable medium: non-corrosive medium such as water and steam. Compared with other valve products, forged steel valves are characterized by high temperature and high pressure, unique self-sealing design, the higher the pressure, the more reliable the sealing. Due to the special performance, technical characteristics and working conditions, the product has also become a substitute for other products.

    The products adopt ISO, API, ANSI, BS, DIN, NF, JIS, JPI, GB, JB and other advanced domestic and foreign standards. The product diameter is 3/8"-2" (DN10mm-50mm), and the pressure rating is 150Lb- 2500Lb (0.1Mpa-42.0Mpa), working temperature is -196℃-680℃.
    • OIL






    Forged steel flange gate valve Order Description:
    1. ①Product name and model
    ②Nominal diameter
    ③Nominal pressure
    ④Use medium
    ⑤Connection method
    ⑥Using temperature
    ⑦Whether to bring accessories
    So that we can choose the right type for you

    2. If you have special requirements, please indicate when ordering the product

    3. If the model has been selected by the design unit, please order directly from our sales department according to the model.

    4. When the occasion of use is very important or the environment is more complicated, please provide the design drawing as much as possible.

    Contact Us

    Wenzhou Weinaite Valve CO.,LTD

    Address: 74 Industrial Zone, Longwan District Wenzhou, China

    Mr: Leo

    Tel: 86-0577-55889965

    Fax: 86-0577-86825598

    E-mail: wntvalves@163.com


    WhatsApp: 86+13757757748  

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