Pressure Seal Globe Valve

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Pressure Seal Globe Valve Manufacturer

A pressure seal globe valve is a kind of control valve used in chemical plants, power plants, and other industrial systems to manage the flow of water in high-pressure and high-temperature applications. The unique bonnet construction of pressure seal globe valves, in contrast to traditional bolted bonnet designs, improves quality as system pressure rises by enhancing the sealing force through internal pressure. It is perfect for difficult tasks since this self-energizing sealing mechanism lowers the chance of leaks and takes less maintenance.

Features of Pressure Seal Globe Valve
  • Pressure Seal Bonnet Design :

    The unique pressure seal bonnet uses system pressure to enhance the sealing capability, reducing the risk of leakage as pressure increases.

  • High Integrity Sealing :

    The self-tightening design provides excellent sealing performance, especially in steam, oil, and gas applications.

  • Robust Construction :

    Made from forged or cast steel, these valves are built to withstand harsh conditions and ensure long service life.

  • Versatility :

    Available in various sizes and pressure classes, pressure seal globe valves can be customized with different trims and actuators to meet specific application needs.

  • Compliance and Standards :

    These valves are typically manufactured in accordance with international standards such as ASME, API, and BS, ensuring quality and compatibility.

Specifications of Pressure Seal Globe Valve

Specification Details
Size Range 2” to 24” (or larger, depending on manufacturer)
Pressure Rating ANSI Class 600 to 2500
Material Forged or cast carbon steel, stainless steel, alloy steel
End Connection Flanged, Butt Weld, Socket Weld
Bonnet Type Pressure seal bonnet
Operation Handwheel, gear-operated, or actuated (electric/pneumatic)
Seal Type Renewable, hard-faced (Stellite or equivalent)
Design Standards ASME B16.34, API 600/602, BS 1873
Testing Standards API 598, MSS-SP-61

FAQ's Of Pressure Seal Globe Valve

1. What is a pressure seal globe valve? + A pressure seal globe valve is a type of valve designed for high-pressure, high-temperature service where the bonnet seal tightens as internal pressure increases, enhancing leak protection.
2. Where are pressure seal globe valves commonly used? + They are used in power plants, refineries, chemical processing units, and other high-pressure steam, gas, or fluid systems.
3. How does the pressure seal design work? + The valve uses system pressure to force a metal seal into place, improving sealing performance as pressure rises, unlike traditional bolted bonnet valves.
4. What are the advantages over bolted bonnet valves?+ Pressure seal valves offer better sealing at high pressures, reduced maintenance needs, and a more compact, lightweight design.
5. What materials are used in pressure seal globe valves?+ Common materials include carbon steel, stainless steel, and alloy steels depending on temperature, pressure, and media compatibility.

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