Middleeast Valve is one of the largest Gate Valve Suppliers in UAE, providing high-performance valves for industries that require safe and efficient flow control. Gate valves are widely used because of their simple design, durability, and ability to provide a complete shut-off when closed while allowing unobstructed flow when open.
Working of a Gate Valve
The mechanism of a gate valve is simple and effective:
Opening the Valve – The gate (a flat or wedge-shaped barrier) is lifted from its seat by turning the handwheel or actuator. This action creates a clear passage, enabling free flow of liquids or gases.
Closing the Valve – The gate is lowered back into the seat, blocking the flow completely. The precise fit ensures a leak-proof seal even under high pressure.
Intermediate Positions – Gate valves are not designed for throttling applications. Partially open gates can cause turbulence and wear, reducing valve life.
Key Features of Gate Valves
Full Bore Design – Allows maximum flow with minimal resistance.
Tight Shut-Off – Provides reliable sealing to prevent leaks.
High Durability – Built from robust materials like stainless steel, bronze, and cast iron to handle extreme conditions.
Bidirectional Flow – Enables fluid movement in both directions, adding flexibility to system layouts.
Gate Valve Operation
Manual Operation – A handwheel or lever raises and lowers the gate. Suitable for systems where frequent adjustments are not required.
Automated Operation – Electric, pneumatic, or hydraulic actuators automate the valve for remote or continuous use.
Gate Valve Components
Body – The outer shell that houses all internal components, built to withstand pressure and harsh conditions.
Gate (Wedge or Disc) – The movable barrier that opens or closes to control flow.
Seat – Provides a sealing surface for the gate when closed.
Stem – Connects the actuator or handwheel to the gate; available in rising or non-rising types.
Bonnet – Covers the body and holds the stem packing, preventing leaks.
Handwheel/Actuator – Used to operate the valve manually or automatically.
Packing – Prevents leakage around the stem.
Functions and Applications of Gate Valves
Shut-Off Function – Primarily used for on/off flow control.
High-Pressure Applications – Well-suited for pipelines operating under high pressure.
Isolation of Flow – Provides effective isolation during maintenance or inspection.
Wide Industrial Use – Common in oil & gas, water treatment, petrochemical plants, refineries, power generation, shipbuilding, textiles, paper mills, and chemical industries.
Advantages of Gate Valves
Very low flow resistance when fully open.
Reliable shut-off capability.
Long service life with durable construction.
Suitable for both high-pressure and high-temperature operations.
Types of Gate Valves
Rising Stem Gate Valve
Non-Rising Stem Gate Valve
Bellow Seal Gate Valve
Pressure Seal Gate Valve
Cryogenic Gate Valve
Forged Gate Valve
As trusted Gate Valve Suppliers in UAE, Middleeast Valve provides essential flow control solutions that ensure safety, efficiency, and durability across critical industries.
Description:
Available materials: SS304, SS904, SS904L, SS316, Aluminium Bronze, Monel, Bronze, Brass, Duplex steel, Inconel, Incoloy, Titanium, WCB, CF8, CF8M, CF3, CF3M, WC1, WC6, WC9, Cast iron, super duplex
Size: 1/2″- 64"
Class: 150 to 2500
Nominal Pressure: PN10 to PN450
Operations: Hand Wheel, Gear operated, Electric actuated and Pneumatic Actuated
Ends: Flanged (FF, RF, RTJ), Buttweld, Socket weld, Threaded
Standards: API607, DIN, BS, ANSI, AWWA, ASME, API6D
Visit us: https://www.middleeastvalve.com/product-category/gate-valve/