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Middleeast valve is the largest Super duplex steel valve supplier in Dubai. We supply to cities like Ajman, Fujairah, AI Ain, and Abu Dhabi. Super duplex steel valves are a type of industrial valves made from super duplex stainless steel. Super duplex stainless steel is a material known for its excellent corrosion resistance, high strength, and good weldability. It is particularly well-suited for applications where resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion is required.

The working principle of a super duplex steel valve involves the following components:

  • Body: The valve body is the main casing that houses the internal components and provides a path for fluid flow. Super duplex steel is used to construct the body due to its high strength and resistance to corrosion.
  • Seat: The valve seat is a sealing surface that ensures a tight closure when the valve is in the closed position. It prevents the fluid from leaking past the valve when it is closed.
  • Disc or Plug: The valve disc or plug is a movable component that controls the flow of fluid. When the valve is open, the disc or plug is lifted or moved away from the seat, allowing the fluid to pass through. When the valve is closed, the disc or plug is pushed against the seat, blocking the flow of fluid.
  • Stem: The stem connects the actuator (a device that controls the valve) to the disc or plug. It transfers the motion from the actuator to open or close the valve.
  • Actuator: The actuator is a device that provides the external force required to operate the valve. It can be manual (operated by hand), electric, pneumatic (air-operated), or hydraulic (fluid-operated), depending on the application.

Middleeast valve is the leading Super duplex steel valve supplier in Dubai and are often used in critical areas of the production process where reliability and durability are crucial. Super duplex steel valves are commonly used in applications where there are demanding conditions such as high pressure, high temperature, or corrosive environments.

Types of super duplex steel valves:

  • Super Duplex Gate Valve
  • Super Duplex Globe Valve
  • Super Duplex Ball Valve
  • Super Duplex Check Valve
  • Super Duplex Needle valve
  • Super Duplex Butterfly Valve
  • Super Duplex Control Valve
  • Super Duplex Plug Valve

Advantages of super duplex steel valve:

  • Corrosion resistance
  • Stress Corrosion Cracking Resistance
  • Design flexibility
  • Longer service life

Industries of super duplex steel valve:

  • Oil and gas
  • Petrochemical
  • Chemical processing
  • Marine and shipbuilding
  • Water and wastewater treatment
  • Power generation
  • Pulp and paper
  • Mining


Available Materials: SS2328, SAF 2507(UNS S32750, F53), S32760( F55), UNS S32550, F61

Size:   1/8″- 24”

Class: 150 to 2500

Nominal Pressure: PN6 to PN300

Operations:  Gear operated, Handwheel operated, lever operated, pneumatic actuated, electric actuated

Ends: Flanged, socket Welded, Buttweld, wafer, lug

Visit us: https://www.middleeastvalve.com/product-category/super-duplex-valve/


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