The swing check valve made of stainless steel is selected for pipelines in various working conditions such as oil, chemical, thermal power stations, etc., with nominal pressure PN1.6～6.4MPa and operating temperature -29～550℃. Suitable media include water, oil products, steam, etc.
Rotary ball check valve structural features:
1. Selects high-quality materials, in compliance with both domestic and international standards.
2. The sealing pairs are advanced and reasonable in matching. The valve disc and seat sealing surfaces are made by surfacing with iron-based alloys or Stellite cobalt-based hard alloys, offering excellent wear resistance, high-temperature resistance, corrosion resistance, and abrasion resistance, with a long service life.
3. Products are designed and manufactured in accordance with the national standard GB/T12235.
4. Various pipe flange standards and sealing types are available to meet the requirements of different engineering projects and customers.
5. We offer a complete range of valve body materials. Gaskets can be reasonably selected based on actual operating conditions or customer requirements, and are suitable for various pressure, temperature, and medium conditions.
Ordering Instructions for Swing Check Valves in Stainless Steel
1. When the user has confirmed the type and model of the valve (especially non-standard models), they should clearly explain the meaning and requirements of the model.
2. Customers should place orders based on the product models listed in the sample. If there are any special requirements for product items, please specify them in the order.
1) Structural Length 2) Flange Standard 3) Valve Structural Type: such as full bore or reduced bore passage, body cover connection type 4) Valve Internal Parts and Other Material Requirements 5) Pressure Test, Inspection Standards, Marking, and Other Requirements
3. When the application of the valve is crucial or the environment is particularly complex, please provide design drawings and detailed specifications. Our experts will review and ensure quality control for you.
4. We can customize electric units, pneumatic drive units, and turbine units according to specific customer requirements.
5. Our valves, produced in various types, meet all the requirements specified in the order. Each product undergoes rigorous inspections and tests according to the relevant standards prior to shipment.
6. All products of Zhong Zhi Valves come with a warranty period of 12 months from the date of customer's formal installation and use or 18 months from the date of product manufacture.
