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JST offers a comprehensive range of Duplex check valves for all types of applications and industries. As for dual plate check valves, they have JB/T 8937 & API 594 design, wafer type. As for the end connections: Flange RF, Wafer & Lug are all standard units.
The other available type of JST Duplex check valves includes Duplex pressure seal check valve, Duplex nozzle check valve, Duplex single plate check valve, Duplex lift type check valve, Duplex swing check valve.
JST offers a comprehensive range of Hastelloy check valve for all types of applications and industries including ressure seal check valve, Hastelloy dual plate check valve, Hastelloy nozzle check valve, Hastelloy single plate check valve, Hastelloy lift type check valve and Hastelloy swing check valve.
It has ASME B16.34 design, bolted cover type. As for its end connections: Flange RF, RTJ, Butt Weld are all standard units.
The other available type of Inconel check valves including, Inconel dual plate check valve, Inconel nozzle check valve, Inconel single plate check valve, Inconel lift type check valve, Inconel swing check valve.
JST 为各类应用和行业提供全面的 NAB C95800 止回阀，包括喷嘴止回阀、NAB C95800 双板止回阀、NAB C95800 摆动式止回阀、NAB C95800 单板止回阀、NAB C95800 提升式止回阀。.
Pure nickel is commercially pure (99.6%) wrought nickel. JST offers a comprehensive range of Inconel check valves for all types of applications and industries. Dual plate check valve has ASME JB/T 8937 & BS 1868 design; bolted cover type valves have Flange RF, Wafer & Lug are all standard units.
The other available type of jst Inconel check valves including Inconel pressure seal check valve, Inconel nozzle check valve, Inconel single plate check valve, Inconel lift type check valve, Inconel swing check valve.
Stainless Steel is the short name for Stainless Acid-resistant Steel. The steel which resistant to air, steam, water, and other weak corrosion medium or Stainless Steel is called Stainless Steel; and which resistant to chemical corrosion medium (acid, alkali, salt, and other chemical etching) corrosion of steel is called acid-resistant steel.
According to their different texture, Stainless steel is often divided into martensitic steel, ferrite steel, austenitic steel, austenitic – ferrite (dual-phase) stainless steel, and precipitation hardening stainless steel.
The composition can be divided into chromium stainless steel, chromium-nickel stainless steel, and chromium manganese nitrogen stainless steel.
Super austenitic steels are amagnetic and present good weldability and excellent formability.
Highly alloyed iron-nickel-chromium stainless steels containing molybdenum have been developed to respond to severe corrosion specifications.
Super austenitic stainless steels exhibit great resistance to chloride pitting and crevice corrosion because of high molybdenum content (>6%) and nitrogen additions, and the higher nickel content ensures better resistance to stress-corrosion cracking versus the 300 series. These steels approach the performance of highly corrosion-resistant nickel-based alloys at a significantly lower cost.
Tantalum and titanium alloys are non-ferrous high chemical activity metals. Tantalum materials have oxide films, good stability, and self-passivation ability in a strong corrosion environment, so Tantalum valves can resistance a variety of harsh corrosion conditions.
Due to its high cost-effectiveness and high corrosion resistance, the Tantalum check valve can be used in many high corrosion mediums. In the civil corrosion resistance industrial transmission pipeline, the Tantalum check valve solves many corrosion problems that the Stainless steel, Copper, or Aluminum check valves can’t solve.
The tatanium check valve has excellent corrosion resistance, high specific strength, small weight, hard, smooth surface that limits adhesion of foreign materials, heat resistance, and so on advantages.
Check Valves made of zirconium offer excellent resistance to high-temperature acids. They are often used in acetic acid applications or on high-temperature heat exchanger pipes. They are also commonly used at nuclear power plants. Zirconium alloys offer excellent resistance to corrosion in agressive environments such as mineral and organic acids, alkalides, salts and other gaseous mediums. One of the main uses of zirconium alloys is in nuclear technology, as cladding of fuel rods in nuclear reactors, especially water reactors.
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