Pressure Seal Gate Valve

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Pressure Seal Gate Valve Manufacturer

As a top producer of pressure seal gate valves, we are experts at offering high-performance valve solutions made for difficult high-temperature and high-pressure applications in the petrochemical, oil and gas, and power generating sectors. To guarantee a long service life and dependable sealing in the face of harsh conditions, our pressure seal gate valves are manufactured with care utilizing premium-grade carbon steel, alloy steel, and stainless steel. By doing away with the necessity for heavy bolting, the pressure-energized sealing mechanism improves operational efficiency and cuts down on maintenance time.

Features of Pressure Seal Gate Valve
  • High Pressure Sealing :

    Designed to provide a reliable, leak-proof seal under extremely high-pressure conditions. The sealing effectiveness improves as pressure increases, ensuring safety and durability in demanding applications.

  • Pressure-Activated Seal :

    The sealing force intensifies automatically with increasing internal pressure, enhancing tightness. This self-energizing mechanism ensures a secure and leak-proof operation under varying pressures.

  • Robust Construction :

    Built from high-quality forged steel or alloy, the valve withstands extreme mechanical stresses. Its durable design ensures long-term reliability in harsh industrial environments.

  • Maintenance Friendly :

    Designed for easy disassembly and reassembly, minimizing downtime during inspections. This simplifies servicing without compromising valve integrity or performance.

  • Self-Adjusting Gasket :

    The gasket automatically tightens as internal pressure rises, maintaining a consistent seal. This feature reduces wear and extends the valve’s operational life.

Specifications of Pressure Seal Gate Valve

Specification Details
Size Range 2" to 48" (50 mm to 1200 mm)
Pressure Rating Class 150 to Class 2500
Material Forged Steel, Alloy Steel, Stainless Steel
End Connection Flanged, Butt Welded, Socket Welded
Temperature Range -29°C to 538°C (-20°F to 1000°F)
Operation Manual (Handwheel), Gear Operated, Electric Actuator
Seal Type Pressure-Activated Gasket Seal
Face to Face As per API 600 / ANSI B16.10
Testing API 598 Standard Testing

FAQ's Of Pressure Seal Gate Valve

1. What is a Pressure Seal Gate Valve? + A pressure seal gate valve is a type of valve designed for high-pressure services. Instead of traditional bolted body-bonnet connections, it uses internal pressure to enhance the seal, making it more effective at higher pressures.
2. How does a pressure seal work? + As internal pressure increases, it forces the sealing elements (typically a bonnet gasket) tighter between the valve body and bonnet, enhancing the seal without needing external bolting.
3. How is a pressure seal valve installed and sealed? + The valve body and bonnet are fitted with a metallic or composite gasket. During pressurization, the gasket is compressed, sealing more effectively as pressure increases.
4. How does a pressure seal valve differ from a bolted bonnet valve?+ Unlike bolted bonnet valves, which use bolts and gaskets to create a seal, pressure seal valves use internal pressure to energize a seal ring. This design reduces the need for heavy bolting and makes the seal tighter as the system pressure increases.
5. Are pressure seal gate valves available with motorized or actuated operators?+ Yes. Pressure seal gate valves can be operated manually, electrically, pneumatically, or hydraulically depending on size and application.

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