Duplex Globe valve supplier

valvesonly3007 · Post time 18-4-2024 03:10 PM

Valvesonly is the best Duplex Globe Valve Supplier in USA. A Duplex Steel Globe Valve is a type of valve commonly used in industrial applications where high pressure and corrosive conditions are present. It is designed to regulate, stop, or start the flow of fluid within a pipeline. The term "duplex steel" refers to the material used in the construction of the valve, which typically consists of a combination of austenitic and ferritic stainless steel, offering enhanced strength, corrosion resistance, and durability compared to traditional stainless steels.

The structure of a Duplex Steel Globe Valve consists of several key components: a valve body, a bonnet, a disc or plug, a stem, a seat, and a handwheel or actuator. The valve body contains the fluid passageway and is typically flanged or threaded for connection to the pipeline. The bonnet houses the stem and provides a seal to prevent leakage. The disc or plug, connected to the stem, moves up and down within the valve body to control the flow of fluid. The seat forms a tight seal around the disc or plug to prevent leakage when the valve is closed. A handwheel or actuator is used to manually or automatically operate the valve. In operation, when the handwheel is turned or the actuator is activated, the stem moves the disc or plug, allowing fluid to flow through the valve or shutting off the flow completely, depending on the position of the disc or plug in relation to the seat. This mechanism provides precise control over the flow rate and direction of the fluid. As a Duplex Globe Valve Supplier, our valves are suitable for a wide range of applications in industries such as oil and gas, chemical processing, power generation, and marine.

Parts:

• Valve Body

• Bonnet

• Disc or Plug

• Stem

• Seat

• Packing Gland

• Handwheel or Actuator

Advantages:

• Duplex steel is known for its excellent corrosion resistance, particularly in aggressive environments such as those containing chloride ions, acidic solutions, and high temperatures. This resistance helps to prolong the lifespan of the valve and maintain its integrity over time.

• Duplex steel possesses higher strength compared to conventional stainless steels, making it suitable for applications where pressure and mechanical stress are significant factors. This high strength allows duplex steel gate valves to withstand higher pressure ratings and mechanical loads, enhancing their durability and reliability.

• Duplex steel exhibits good ductility and toughness, which are important properties for withstanding impact and shock loading in various operating conditions. This makes these valves less prone to brittle failure and better able to withstand sudden changes in pressure or flow conditions.

• Duplex steel gate valves can operate effectively across a wide range of temperatures, from cryogenic temperatures to elevated temperatures. This versatility makes them suitable for use in diverse industrial applications where temperature fluctuations are common.

• Due to their resistance to corrosion and erosion, duplex steel gate valves often require less maintenance compared to valves made from other materials. This can result in cost savings over the lifecycle of the valve, as there is less need for frequent repairs or replacements.

• They are compatible with a wide range of fluids, including corrosive and abrasive media, making them suitable for use in industries such as oil and gas, chemical processing, petrochemical, and seawater applications.

• They can offer enhanced fire resistance compared to some other materials, providing an additional safety feature in applications where fire hazards are a concern.

Industries:

• Oil and gas

• Petrochemical

• Chemical processing

• Power generation

• Desalination plants

• Marine and offshore

• Pulp and paper

• Water treatment

• Mining and mineral processing

Description:

• Body Material: Duplex Steel (F51, F53, 4A. 5A), ASTM A995, A890