Duplex Steel Valves

  • 5A Floating Ball Valve
    5A Floating Ball Valve

    This floating ball valve is cast from ASTM A995 5A super duplex stainless steel, delivering exceptional strength and corrosion resistance. The floating ball design ensures tight sealing under...

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  • 5A Lug Butterfly Valve
    5A Lug Butterfly Valve

    This NSV lug butterfly valve is cast from ASTM A995 5A super duplex stainless steel. It delivers superior strength and exceptional resistance to chloride stress corrosion cracking. The robust...

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  • F55 Globe Valve
    F55 Globe Valve

    This compact globe valve is fully forged from super duplex stainless steel F55, offering superior strength and exceptional corrosion resistance in demanding applications such as seawater systems,...

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  • ASTM A995 CD3MWCuN / 6A Solid Wedge Gate Valve
    ASTM A995 CD3MWCuN / 6A Solid Wedge Gate Valve

    This NSV duplex steel solid wedge gate valve features ASTM A995 CD3MWCuN / 6A alloy which delivers exceptional strength and corrosion resistance, with copper, molybdenum, and nitrogen additions...

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  • F53 Super Duplex Stainless Steel Ball Valve
    F53 Super Duplex Stainless Steel Ball Valve

    The NSV F53 super duplex stainless steel ball valve is forged from UNS S32750 (F53), offering exceptional resistance to pitting, crevice corrosion, and sulfide stress cracking in aggressive...

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  • 5A Super Duplex Stainless Steel Ball Valve
    5A Super Duplex Stainless Steel Ball Valve

    The NSV 5A ball valve is constructed from super duplex stainless steel, ideal for seawater, high-chloride, and highly corrosive services. Its two-piece design provides bi-directional sealing. The...

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  • 4A Knife Gate Valve
    4A Knife Gate Valve

    The valve features a unidirectional sealing design with the seat located on one side only, resulting in a simple and cost-effective structure. It has a full-port stainless steel body with flanged...

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  • High Pressure Plug Valve
    High Pressure Plug Valve

    Designed for severe service in oil & gas, LNG, and chemical industries, this plug valve provides reliable shut-off under high pressure and corrosive conditions. The body is cast from ASTM A995...

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  • F55 Gate Valve
    F55 Gate Valve

    NSV F55 Globe Valves is high cracking corrosion resistance to chloride environment,high corrosion resistance to dilute sulphuric acid and phosphoric acid,that suitable for Pulp and paper...

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  • 5A Safety Valve
    5A Safety Valve

    NSV Spring Loaded Safety valve is a valve that act as a protection of equipment from exploding or damaging and it is mainly installed in pressure vessels such as chemical plants, electric power...

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  • 5A Butterfly Valve
    5A Butterfly Valve

    NSV 5A Triple Eccentric Flange Butterfly Valve are suitable for Pulp and paper mills,chemical processes,and seawater service. it is high cracking corrosion resistance to chloride environment,high...

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  • 5A Gate Valve
    5A Gate Valve

    NSV 5A Gate valves it is usually suitable for suitable for Pulp and paper mills,chemical processes,and seawater service. it is high cracking corrosion resistance to chloride environment,high...

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NSV Valve Corporation is one of the most professional duplex steel valves manufacturers and suppliers in China, featured by quality products and good service. Please rest assured to buy duplex steel valves made in China here from our factory. 4A Ball Valve, 5A Gate Valve, F51 Gate Valve

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