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ANSI API Forged Steel Cast Steel Stainless Steel Flanged Weld Swing Lift Check Valve
Product Features
Preventing Reverse Flow: Through the design of swing type or lift type valve discs, it ensures that the fluid can only flow in one direction and prevents the backflow of the medium.
Multiple Material Options:
Forged Steel: Suitable for high-pressure working conditions, with high strength and corrosion resistance.
Cast Steel: Appropriate for medium and high-pressure working conditions, cost-effective and wear-resistant.
Stainless Steel: Applicable to corrosive media such as acids and alkalis.
Multiple Connection Methods: Flange connection and welding connection are provided, and the choice can be made according to the requirements of the pipeline system.
High Sealing Performance: Metal-to-metal sealing or elastic sealing ensures zero leakage.
Low Pressure Loss: The swing type design enables smooth fluid flow and reduces pressure loss.
Multiple Pressure Ratings: Supports various pressure ratings such as 150LB, 300LB, and 600LB to meet the needs of different application scenarios.
Wide Application Range: Applicable to various media such as water, oil, natural gas, and corrosive liquids.
Technical Specifications
Size Range:
Swing Type: 1/4" ~ 2" (DN6 to DN50)
Lift Type: 1/4" ~ 2" (DN6 to DN50)
Pressure Rating: 150LB ~ 2500LB
Working Temperature:
Forged Steel: -29°C ~ 425°C
Stainless Steel: -196°C ~ 500°C
Applicable Media: Water, oil, natural gas, corrosive liquids, etc.
Design Standards: API 602, ANSI B16.34
Flange Standard: ASME B16.5
Testing Standard: API 598
Materials:
Valve Body: Forged steel (such as A105), stainless steel (such as F304, F316)
Valve Disc: Stainless steel, alloy steel
Valve Stem: Stainless steel, alloy steel
Application Scenarios
Petroleum and Natural Gas Industry: Used in pipeline systems to prevent the reverse flow of media such as natural gas and crude oil.
Chemical Industry: Used for transporting corrosive liquids such as acids and alkalis to ensure the safety of pipeline systems.
Water Treatment Industry: Used to prevent the reverse flow of water and protect water pumps and pipeline systems.
Energy Industry: Used in the cooling water system and steam system of power plants.
Shipbuilding and Marine Engineering: Used in the ballast water system and cooling water system of ships.
Product Advantages
High Durability: Forged steel and cast steel materials can withstand high-pressure and high-temperature environments.
Good Sealing Performance: Metal-to-metal sealing or elastic sealing ensures that the valve can maintain good sealing performance under high pressure.
Easy to Operate: It does not require external power and automatically opens and closes relying on fluid pressure.
Low Maintenance Cost: With a simple structure, it is easy to maintain and repair, reducing downtime and maintenance costs.
Reasons to Choose Us
Strict Quality Control: From the procurement of raw materials to the delivery of finished products, each process undergoes strict inspection to ensure product quality.
Customization Service: Customized solutions can be provided according to the specific needs of customers, including size, material, pressure rating, etc.
Technical Support: Professional technical support and after-sales service are provided to help customers solve problems during the use process.
Quick Delivery: With sufficient inventory and an efficient production process, we can quickly respond to customer needs.
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