UAE Valves is a reputed Gate Valve Supplier in Dubai. A gate valve is a type of linear motion valve used to control the flow of fluid within a pipeline. It features a gate or wedge-shaped disk that moves perpendicular to the flow, allowing for complete or partial obstruction of the passage. The primary function of a gate valve is to either permit or prevent the flow of liquids or gases by raising or lowering the gate within the valve body. Widely used in various industries, gate valves are known for their ability to provide a tight seal and low fluid resistance when fully open.
Structure of a Gate Valve:
The structure of a gate valve typically includes several essential components:
Valve Body: Houses the internal components and provides connection points for the pipeline.
Gate or Wedge: The movable element that controls the flow.
Stem: Guides the gate and connects to the actuator.
Actuator: Can be manual (handwheel or lever), electric, pneumatic, or hydraulic, allowing for various levels of automation.
Seats: Provide a surface against which the gate seals to stop flow.
How Gate Valves Work:
The working principle of a gate valve involves the upward or downward movement of the gate to control fluid flow. In the fully open position, the gate is lifted entirely out of the flow path, allowing unrestricted passage of the fluid. In the fully closed position, the gate is lowered to obstruct the flow completely. The linear motion of the gate is achieved through the rotation of the stem, which is connected to the actuator. Gate valves are commonly used in applications requiring a tight seal, such as in isolation and shut-off operations within pipelines.
Vertical Installation of Gate Valves:
Yes, gate valves can be installed vertically, horizontally, or at any angle, provided they are installed according to the manufacturer's specifications. When installing gate valves vertically, considerations such as flow direction, pressure, and the valve's capability to handle vertical orientation are important. Proper support and alignment are crucial to ensure effective operation and prevent issues like leaking or malfunctioning. Consulting the manufacturer’s specifications is always recommended to ensure optimal performance and longevity of the valve.
Differences Between Gate Valves and Globe Valves:
Gate valves and globe valves differ in design, application, and flow control. Gate valves have a simple and robust design with a gate or wedge-shaped disk moving perpendicular to the flow, providing minimal resistance when fully open but significant pressure drop when closed. They are primarily designed for on/off service and are preferred for isolation and shut-off operations in pipelines.
Globe valves, with a more complex design, feature a disk or plug moving in a linear motion along the valve body centerline, creating a seat that regulates flow. They are versatile, suitable for both throttling and isolation applications, offering precise flow control but with higher resistance compared to gate valves. Globe valves are commonly used where precise flow control is necessary, such as in regulating flow rate or maintaining specific pressure in systems, making them suitable for industries like petrochemical, power generation, and water treatment.
Advantages:
Gate valves offer several advantages, including providing a tight seal and low fluid resistance in the fully open position. They are simple in design, durable, and provide a straight-through flow path when fully open, making them suitable for high flow rate applications. Their ability to offer minimal resistance and tight shut-off makes them ideal for isolation and shut-off operations in pipelines. Additionally, gate valves can be manually or automatically operated, offering flexibility in various industrial settings.
As Gate Valve Supplier in Dubai we supply to these industries:
Gate valves are utilized across a wide range of industries due to their reliable performance and versatility. These industries include oil and gas, petrochemical, water treatment, power generation, chemical, mining, pulp and paper, marine, aerospace, construction, textile, automotive, semiconductor manufacturing, shipbuilding, and fire protection systems. The adaptability and durability of gate valves make them essential components in these sectors.
Types:
Non Rising Gate Valve
Rising Stem Gate Valve
Double Disc Valve
Forged Steel Gate Valve
Bellow Seal Gate Valve
Detailed Description
Materials: Ductile Iron, SS306, SS904, SS316, Monel, Bronze, Aluminum Bronze, Brass, Inconel, Incoloy, Duplex steel, Titanium, CF8, CF8M, CF3, CF3M, WC1, Cast iron, Carbon steel (WCB, WCC, WC6, LCB, LF2, WC9).
Size: 1/2″- 64”.
Class: 150 to 2500.
Nominal Pressure: PN10 to PN450.
Operations: Hand Wheel, Gear operated, Electric, and Pneumatic, Actuated.
Ends: Flanged, Buttweld, Socket weld, Threaded.
Standards: API607, DIN, BS, ANSI, ASME, API6D, AWWA.
Visit us: https://www.uaevalves.com/product-category/gate-valve/
