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GOST DN100 PN16 Stainless Steel A351 CF8 Flange Gate Valve

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The GOST DN100 PN16 Stainless Steel A351 CF8 Flange Gate Valve is a high-performance flange gate valve, specially designed for industrial fluid control. This valve is made of high-quality stainless steel (A351 CF8) and features a flange connection method in accordance with GOST standards. It boasts outstanding corrosion resistance, reliable sealing performance and a compact structural design. Its design complies with GOST standards, effectively isolating and controlling fluids, and is widely used in industries such as petroleum, natural gas, chemical engineering, and water treatment.
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Product Features

  • High-Quality Material: The valve body is made of stainless steel (A351 CF8), which has excellent corrosion resistance and high-temperature resistance, and can adapt to various complex working conditions.

  • Flange Connection Design: Adopts GOST standard flange connection to ensure seamless docking with pipeline systems, facilitating installation and ensuring reliable sealing performance.

  • Reliable Sealing Performance: The valve seat uses metal seals or soft sealing materials to ensure zero-leakage sealing performance under high-pressure and high-temperature conditions.

  • Compact Design: With a compact structure, small volume and light weight, it is easy to install and maintain, especially suitable for pipeline systems with limited space.

  • Fire-Safety Design: Complies with API 607 fire safety standards, maintaining sealing performance even under extreme conditions such as fires to ensure system safety.

  • Multiple Operation Modes: Manual operation or automatic control with an actuator can be selected to meet the needs of different application scenarios.

  • Low Flow Resistance Design: The internal flow channel of the valve body is smooth with low flow resistance, which can effectively reduce energy consumption and improve system efficiency.


Technical Specifications

  • Nominal Diameter: 1/2"~48"(DN15~DN420)

  • Nominal Pressure: 150LB ~ 2500(PN20~PN420)

  • Operating Temperature: -29℃ to 425℃ , depending on the sealing material

  • Valve Body Material: Stainless steel (A351 CF8)

  • Sealing Material: Metal seals (such as stainless steel, cemented carbide, etc.); soft sealing materials like PTFE can also be selected according to requirements

  • Connection Type: Flange connection (GOST standard)

  • Operation Mode: Manual operation, pneumatic operation, electric operation (optional)

  • Design Standard: GOST 9544

  • Testing Standard: GOST 5587-82


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