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Plug Valves

Used in industries such as - Oil and Gas, Water and Wastewater Treatment, and Chemical Processing

  • No cavity
  • No spares – just lubricate
  • The oldest valve design in the world

Manufactured in Italy, Galli and Cassina plug valves are V6 National Grid approved making them ideal for critical applications.  These lubricated plug valves give exceptional performance, durability, and precision in fluid control systems. With their robust construction, efficient flow control, and industry-leading features, Galli and Cassina are the trusted choice for demanding industrial applications.

Pekos Valves

Size Range½” – 12”
Pressure ClassANSI 300# / 600#
ConnectionsFlanged Raised Face & RTJ / BSPT & Socket Weld
MaterialsLow Temp Carbon Steel A352 LCC
DesignLubricated, Pressure Balanced
Bore typeRegular / Venturi
Quality ControlRadiographic Inspection & Magnetic Particle examination
CertificationGIS/V6 (National Grid) Qualification

What Is A Plug Valve?

Plug valves are commonly used in a variety of industries, including oil and gas, petrochemical, water treatment, and industrial applications. They are suitable for both on/off and throttling applications, depending on the design and can solve a number of issues. Some of the issues that these valves can solve include:

  1. Leakage Control: Plug valves are designed to provide a tight shut-off, minimizing the risk of leakage. They feature a cylindrical or tapered plug that can be rotated to either block or allow the flow of fluid through the valve. This design helps in preventing leaks and ensuring a reliable sealing mechanism.
  2. Flow Control: Plug valves offer excellent flow control capabilities. By adjusting the position of the plug, the flow rate of the fluid can be easily regulated. This is particularly useful in applications where precise control over the flow is required, such as in process industries.
  3. Durability and Longevity: Plug valves are typically constructed using high-quality materials such as stainless steel, carbon steel, or special alloys, making them highly durable and resistant to corrosion. They are designed to withstand harsh operating conditions and offer a long service life, reducing maintenance and replacement costs for customers.
  4. Versatility: Plug valves are suitable for handling a wide range of fluids, including liquids, gases, and slurries. They can be used in various industries, such as oil and gas, chemical, pharmaceutical, water treatment, and power generation, among others. The valves are available in different sizes, pressure ratings, and end connections, providing flexibility to meet diverse application requirements.
  5. Low Pressure Drop: These valves are designed to minimize pressure drop across the valve, which is particularly important in applications where maintaining system efficiency and minimizing energy consumption are crucial. By reducing pressure loss, plug valves help optimize system performance.
  6. Ease of Operation: Plug valves are typically designed for easy operation. They often feature a quarter-turn or multi-turn actuation mechanism, allowing for quick and convenient opening or closing of the valve. Additionally, some valves may be equipped with indicators or visual indicators to provide clear feedback on the valve position.
  7. Maintenance and Repair: These valves are generally easy to maintain and repair. The design often allows for easy access to internal components, simplifying inspection, cleaning, and repair tasks. This helps reduce downtime and ensures smooth operation of the valve.

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