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API Zirconium B752 702C Flanged Wedged Gate Valve

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API Zirconium B752 702C Flanged Wedged Gate Valve

BOLON focuses on manufacturing specialty valves, especially zirconium gate valves. Zirconium 702C gate valve zirconium alloy is a high-performance alloy material composed mainly of zirconium. Zirconium alloy has excellent mechanical properties, corrosion resistance, and thermal stability. Zirconium alloy gate valves are widely used in aerospace, shipbuilding, chemical, nuclear industry, and other fields.

    Wedge gate valve is a type of gate valve. It is named after the fact that its sealing surface is at an angle to the vertical centerline, i.e. the two sealing surfaces are wedge-shaped. Wedge gate valves are divided into rising stem gate valves and rising stem gate valves, wedge single gate valve and wedge double gate valve.

    Zirconium gate valves have excellent corrosion resistance in chemical processing industries, such as organic and inorganic acids, salt solutions, strong alkalis, and some molten salts. Zirconium, as a peculiar metal with unique physical and chemical corrosion resistance, has been widely used in special and strict processes, and has irreplaceable applications in fields such as nuclear industry, aerospace, aerospace, and civil chemical industry.

    Zr702C zirconium alloy is a high-performance alloy material composed mainly of zirconium. Zirconium alloys have excellent mechanical properties, corrosion resistance, and thermal stability, making them widely used in fields such as aerospace, shipbuilding, chemical, and nuclear industries.

    Zr702C zirconium alloy exhibits excellent mechanical properties. This alloy has high strength and good toughness, and can withstand stress under high pressure, high temperature, and heavy load conditions. This makes it an ideal material for the aerospace industry, which can be used to manufacture engine components, aircraft structures, and spacecraft shells.

    Zr702C zirconium alloy has excellent corrosion resistance. Zirconium alloy has good corrosion resistance and can resist the erosion of various corrosive media such as acid-base media, seawater, and oxides. Therefore, it is widely used in the chemical industry to manufacture equipment such as reactors, heat exchangers, and storage tanks, ensuring the long-term stable operation of the equipment.

    Zr702C zirconium alloy also exhibits excellent thermal stability. It can maintain good mechanical properties and corrosion resistance in high-temperature environments, and is not prone to deformation, fatigue, and creep. This makes zirconium alloy an important material in the nuclear industry, used for manufacturing key components such as fuel shells, tubes, and fuel exchangers in nuclear reactors.

    Zr702C zirconium alloy is a multifunctional high-performance alloy material with excellent mechanical properties, corrosion resistance, and thermal stability. Its extensive application areas cover industries such as aerospace, shipbuilding, chemical and nuclear industries. With the continuous development of science and technology, Zr702C zirconium alloy will continue to play its unique advantages and play an important role in various fields. Zr702C zirconium alloy is a commonly used zirconium alloy with good mechanical properties and corrosion resistance.


    Sizes NPS 2 to NPS 48
    Class 150 to Class 2500
    Available in casting A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A), Alloy 20, Titanium, Zircoium, Monel, Inconel, Hastelloy, etc.
    End connection: RF, RTJ, or BW
    Outside Screw & Yoke (OS&Y) or rising stem
    Bolted Bonnet or Pressure Seal Bonnet


    Design & manufacture according to API 600, API 603, ASME B16.34
    Face-to-face according to ASME B16.10
    End Connection according to ASME B16.5 (RF & RTJ), ASME B16.25 (BW)
    Test & inspection according to API 598

    Additional Features

    Titanium gate valves are mainly used in sulfuric acid, which can withstand up to and above the boiling point in sulfuric acid media with a concentration below 70%; In acetic acid, it can withstand various concentrations of acetic acid media below 250 ℃ and is almost non corrosive; It is a good corrosion-resistant material in various concentrations of alkaline solutions and molten alkaline media. The main characteristics of titanium gate valves are as follows:

    1. Titanium gate valves have a compact structure, reasonable design, good valve rigidity, smooth channels, and low flow coefficient.

    2. The titanium gate valve adopts flexible graphite and PTFE packing, with reliable sealing and easy and flexible operation.

    3. The driving methods include dynamic, electric, and gear pneumatic transmission.

    4. Structural forms: elastic wedge single gate, rigid wedge single gate, and double gate forms.

    Main Components

    NO. Part Name Material
    1 Body B752 702C
    2 Gate B752 702C
    3 Stem A493 R60702
    4 Gasket Zirconium+Graphite
    5 Bonnet B752 702C
    6 Bolt A193 B8M
    7 Nut A194 8M
    8 Packing PTFE/Graphite
    9 Gland Bushing B550 R60702
    10 Gland Flange A351 CF8M
    11 Eyebolt A193 B8M
    12 Gland Nut A194 8M
    13 Stem Nut Copper Alloy


    The main applications of zirconium gate valves are in the chlor alkali industry and alkali industry, pharmaceutical industry, fertilizer industry, organic acid and inorganic salt production, nitric acid industry, textile fiber synthesis and bleaching, etc.