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China Dual Phase Steel Flange Manufacturer, Supplier, Factory

We believe that prolonged time period partnership is really a result of top of the range, benefit added provider, prosperous knowledge and personal contact for Dual Phase Steel Flange, Flange, Alloy Flange, Carbon Steel Flange, Industrial Pipe Fittings, we could solve our customer problems asap and do the profit for our customer. For those who need superior provider and excellent , pls choose us , thanks !
Dual Phase Steel Flange, With many years good service and development, we've a professional international trade sales team. Our products have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future!

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  • Socket Welding 45 Degrees Elbow

    Socket Welding 45 Degrees Elbow

    Socket welding 45 degrees elbow is mainly used to change the direction of transmission of fluid in a piping system by turning it at an angle of 45 degrees. It is designed with a socket at one end and an outer diameter matching the pipeline at the other end, making it easy to insert into the main pipeline for welding. This elbow is usually used in small diameter, high pressure piping systems, such as petroleum, chemical, electric power and other industries in the pressure piping system, to ensure that the fluid in the transmission process is smooth and safe.

    SIZE:
    DN10(3/8") DN15(1/2") DN20(3/4") DN25(1") DN40(1-1/2")
    DN50(2") DN80(3") DN100(4") DN125(5") DN150(6")
    DN200(8") DN250(10") DN300(12") DN350(14") DN400(16")
    DN450(18") DN500(20") DN550(22") DN600(24")
    Customized Size Consult Us

  • Pressure Vessel Flange

    Pressure Vessel Flange

    Pressure vessel flange, i.e. pressure vessel flange, is a key component on the pressure vessel used to connect piping, valves, instruments and other equipment.Pressure vessel flange is a standardized connecting part, which is connected to the inlet and outlet of the pressure vessel or other parts that need to be connected to achieve a reliable connection between the pressure vessel and other equipment or pipelines. In the pressure vessel, the flange not only plays the role of connection, but also bears the important task of ensuring the sealing performance and bearing pressure.

    SIZE:
    DN10(3/8") DN15(1/2") DN20(3/4") DN25(1") DN40(1-1/2")
    DN50(2") DN80(3") DN100(4") DN125(5") DN150(6")
    DN200(8") DN250(10") DN300(12") DN350(14") DN400(16")
    DN450(18") DN500(20") DN550(22") DN600(24")
    Customized Size Consult Us

  • Threaded 90 Degree Elbow

    Threaded 90 Degree Elbow

    Find a huge selection of threaded 90 degree elbow from China at SN Valve. Threaded 90 degree elbow connects with pipes or other fittings through its internal threads to achieve the turn of pipes in 90 degree direction. This kind of elbow is widely used in various industrial, construction and civil piping systems, such as petroleum, chemical, natural gas, water treatment and heating.

    SIZE:
    DN10(3/8") DN15(1/2") DN20(3/4") DN25(1") DN40(1-1/2")
    DN50(2") DN80(3") DN100(4") DN125(5") DN150(6")
    DN200(8") DN250(10") DN300(12") DN350(14") DN400(16")
    DN450(18") DN500(20") DN550(22") DN600(24")
    Customized Size Consult Us

  • Threaded Cross

    Threaded Cross

    SN Valve is a leading China threaded cross manufacturer. Threaded tee is an important pipe fitting that connects four pipes together by means of a threaded connection to realise the diversion or merging of fluids. It is widely used in industrial fields such as petroleum, chemical, natural gas, water treatment and heating, as well as in building and civil piping systems for changing piping direction, branching piping or realising special connections.

    SIZE:
    DN10(3/8") DN15(1/2") DN20(3/4") DN25(1") DN40(1-1/2")
    DN50(2") DN80(3") DN100(4") DN125(5") DN150(6")
    DN200(8") DN250(10") DN300(12") DN350(14") DN400(16")
    DN450(18") DN500(20") DN550(22") DN600(24")
    Customized Size Consult Us

  • Porous Plate Flange

    Porous Plate Flange

    SN Valve is a leading China porous plate flange manufacturer. Porous filter plate flange, i.e. a component that combines a porous filter plate with a flange. This kind of component is usually used in occasions where filtration and connection are required, such as filtration devices in piping systems, separation equipment for liquids or gases, and so on. The porous filter plate flange is connected to other pipelines or equipment through flange connection, and at the same time, the filtration function of the porous filter plate is utilized to realize the filtration and separation of liquids, gases or solid particles.

    SIZE:
    DN10(3/8") DN15(1/2") DN20(3/4") DN25(1") DN40(1-1/2")
    DN50(2") DN80(3") DN100(4") DN125(5") DN150(6")
    DN200(8") DN250(10") DN300(12") DN350(14") DN400(16")
    DN450(18") DN500(20") DN550(22") DN600(24")
    Customized Size Consult Us

  • Threaded Flange

    Threaded Flange

    Threaded flanges are flanges with internal or external threads that are connected by screwing the threads on the flange to the threads on the pipe or equipment against each other. This type of flange is usually used in low-pressure and low-temperature operating environments because of its relatively low connection strength, but easy installation and removal.

    SIZE:
    DN10(3/8") DN15(1/2") DN20(3/4") DN25(1") DN40(1-1/2")
    DN50(2") DN80(3") DN100(4") DN125(5") DN150(6")
    DN200(8") DN250(10") DN300(12") DN350(14") DN400(16")
    DN450(18") DN500(20") DN550(22") DN600(24")
    Customized Size Consult Us

  • Related Blog
  • Reviews

  • The Manufacturing Process of Stainless Steel Flanges: Precision Engineering for Industrial Reliability

    Wenzhou Shuangneng Valve Co., Ltd., a trusted stainless steel flange and pipe fittings manufacturer in China, meticulously crafts industrial-grade flanges through a 7-step ASME-certified process. Combining advanced CNC machining, precision heat treatment, and rigorous NDT testing, their flanges ensure leak-proof performance in extreme environments like oil refineries and desalination plants.

  • How much do you know about tube sheets?

    In the complex systems of heat exchangers, boilers, and filtration systems, tube sheets are essential components that determine efficiency, safety, and service life. Often described as the backbone of these systems, tube sheets are precision-engineered sheets, typically round in shape, drilled with precisely aligned holes that support, separate, and seal the tubes. As a leading manufacturer in China, SN Valve specializes in advanced engineering and produces high-quality tube sheets that meet the most stringent industry standards.

  • Innovative Stainless Steel Non-Standard Flanges Revolutionize Pipeline Engineering

    Stainless steel non-standard flanges are essential in pipeline engineering, offering durability and versatility for low/high-pressure systems. Their corrosion resistance and innovative design ensure reliable connections, despite leakage challenges. Discover more on our website.

  • Threaded Pipe Flange Specificaitons

    A threaded flange is a type of pipe flange with internal threads on its bore, allowing it to be screwed onto a pipe with corresponding external threads, eliminating the need for welding for connection.

  • 2022.7.14 ShuangNeng in Shandong Zibo Exhibition

  • The Advantages of Duplex Steel Flanges: Why They Outperform Standard Stainless Steel Flanges

    Wenzhou Shuangneng Valve Co., Ltd. specializes in manufacturing corrosion-resistant stainless steel, duplex steel, and specialty alloy flanges, pipe fittings, and custom components for 20+ years. Compliant with ASME, DIN, JIS, and GB standards, we offer OEM solutions with MOQ 1 unit. Ideal for harsh environments in oil/gas, chemical, and marine industries.

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