Flange manufacturers in UAE

Middleeast Valve are reputed Flange manufacturers in UAE. Industrial flanges are essential components used in various industries to connect pipes, valves, pumps, and other equipment to form a piping system. They provide an easy way to assemble and disassemble these connections, facilitating maintenance, inspection, and modification of the piping systems.

What are the different types of Flanges?

Weld Neck Flanges: These flanges have a long tapered hub and are used for high-pressure applications. They are welded to the pipe, providing a strong and leak-proof connection.

Slip-On Flanges: These are slipped over the pipe and then welded both inside and outside to provide strength and prevent leakage. They are easier to align but are typically used for lower pressure applications.

Blind Flanges: Used to close the ends of piping systems, they are essential for testing and maintenance. Blind flanges do not have a bore.

Socket Weld Flanges: These have a socket in which the pipe is inserted and then fillet welded around the pipe, making them suitable for smaller sizes and high-pressure applications.

Lap Joint Flanges: Used with a stub end, these flanges are not welded to the pipe, allowing for easy assembly and alignment.
Threaded Flanges: These are screwed onto the pipe, making them suitable for low-pressure and non-critical applications.

Ring Type Joint Flanges (RTJ): These have a specially designed grove cut into the face that accommodates a metal ring gasket, ensuring a tight and leak-proof seal.

Flanges are manufactured in which materials and according to what standards?

Flanges are made from various materials including carbon steel, stainless steel, alloy steel, and other materials depending on the application requirements, such as resistance to corrosion, pressure, and temperature.

Industrial flanges are manufactured according to specific standards set by organizations such as the American Society of Mechanical Engineers (ASME), American National Standards Institute (ANSI), and International Organization for Standardization (ISO). These standards ensure the flanges meet certain criteria for size, pressure rating, materials, and quality.

How does a flange work?
Flanges work by providing a secure method for joining pipes, valves, pumps, and other equipment within a piping system. The basic principle involves bolting together two flanges with a gasket between them to create a seal that prevents leakage. Here’s a step-by-step outline of how flanges work:
Choose the appropriate type and material of flanges based on the application's pressure, temperature, and environmental conditions.
Ensure the flanges, gaskets, bolts, and other components are free from defects and meet the specified standards.
Align the flanges to ensure that the bolt holes match up correctly. Proper alignment is crucial to avoid stress on the flanges and the piping system, which could lead to leaks or failures.
Place a gasket between the two flange faces. The gasket material is chosen based on the operating conditions, such as pressure, temperature, and chemical compatibility. The gasket ensures a tight seal by filling the microscopic imperfections on the flange faces.
Insert the bolts through the aligned bolt holes of the flanges. Bolts are then tightened in a cross-pattern sequence to ensure even distribution of pressure on the gasket. Proper torquing is crucial to achieving a leak-proof seal without damaging the gasket or flanges.
As the bolts are tightened, the flanges are drawn together, compressing the gasket between them. The compression of the gasket fills any gaps and imperfections, creating a tight seal that prevents leaks.
Once assembled, the flanged joint is often tested to ensure it is leak-proof. Testing methods can include hydrostatic testing (using water under pressure) or pneumatic testing (using air or another gas under pressure).
After successful testing, the piping system can be put into operation. The flanged connections can withstand the specified operating conditions, maintaining the integrity and safety of the system.

Advantages:
Quick connection and disconnection
Reduced downtime
Strength and reliability
They provide strong and reliable connections capable of withstanding high pressures and temperatures.
When properly installed with the correct gasket, flanged connections ensure leak-proof seals, maintaining the integrity of the piping system.
Flexibility in design and installation
They allow for easy alignment and adjustment during installation, ensuring precise fit and reducing stress on the piping system.
They are compatible with various components
Ease of inspection and testing
They can be easily accessed for inspection and testing, ensuring ongoing reliability and safety of the piping system.
Flanged connections can be tested for leaks and pressure integrity, ensuring the system meets safety and performance standards.
Properly installed flanged joints provide secure and stable connections, reducing the risk of leaks and failures.

As trusted Flange manufacturers in UAE, we supply to these industries:
Oil and Gas
Chemical Processing
Power Generation
Water Treatment
Petrochemical
Pulp and Paper
Marine and Shipbuilding
Mining and Minerals
Construction
Automotive
Aerospace
Nuclear Power

Description:
Size:½” (15 NB) to 48″ (1200NB)
Standard: ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN, JIS, SABS1123, GOST-12820
Dimensions: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA
Class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40.
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
BS: BS4504 , BS4504, BS1560, BS10
Flange Connection Type: Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face.

Visit our website for more details: https://www.middleeastvalve.com/product-category/flanges/

Angle Globe Valve suppliers in Dammam

Middleeast Valve is the leading Angle globe valve suppliers in Dammam, which Supplies high quality valves to cites like Jubail, Yanbu, Riyadh and Jeddah. An angle globe valve is a type of valve with a globe-shaped body and an angle-shaped flow path. It is designed to regulate the flow of fluids in a piping system.

The angle globe valve has a stem that is connected to a handwheel or lever, which is used to open and close the valve by raising and lowering the stem. When the stem is raised, the valve is open and fluid can flow through it. When the stem is lowered, the valve is closed and the flow of fluid is blocked. The angle design of the valve allows for easy installation in tight spaces, and the globe-shaped body provides a large flow area, which allows for a smooth flow of fluids.

Middleeast Valve is well known Angle globe valve suppliers in Dammam demonstrating huge variety of valves.

Some of the advantages of using an angle globe valve include:
1.Compact size - the angle design of the valve allows it to be easily installed in tight spaces, making it a good choice for use in confined areas.
2.Smooth flow - the globe-shaped body of the valve provides a large flow area, which allows for a smooth flow of fluids and reduces turbulence.
3.Wide range of sizes - angle globe valves are available in a wide range of sizes, from small to large, making them suitable for use in various applications.
4.Easy maintenance - the simple design of angle globe valves makes them easy to maintain and repair.
6.Good sealing performance - the seat and gasket in an angle globe valve create a tight seal when the valve is closed, which helps to prevent leakage.

Angle globe valves are used in a variety of industries, including:
1.Oil and gas
2.Chemical processing
3.Power generation
4.Water treatment

Applications:
●Piping in small sizes.
●Plumbing sector.
●Provide flow control.
●Provide leak tightness.
●Pumps and compressors.
●Used as an emergency shutdown valve

Description:
Body Material : Cast Iron , Cast steel , Ductile Iron, AISI SS 304,316,316L,317,317L
Size Range: 2 inches to 18 inches
Pressure : Class150 to Class1500, PN10 to PN64
Ends: Flanged, Buttweld, Socket weld, Threaded
Operations: Handwheel operated, Gear Operated , Electric Actuated and Pneumatic Actuated.

Visit us: https://www.middleeastvalve.com/product-category/angle-globe-valve/

Safety valve manufacturers in Saudi Arabia

Middleeast Valve are one of the most premium Safety valve manufacturers in Saudi Arabia. A safety valve is a device designed to automatically release pressure from a system when it exceeds a preset limit, thereby preventing potential damage or catastrophic failure. Safety valves are critical components in various industries, including manufacturing, chemical processing, and power generation, where they help maintain system integrity and ensure the safety of personnel and equipment. They are typically installed on pressure vessels, boilers, and pipelines, and are engineered to open at a specific pressure threshold, allowing excess pressure to escape until safe levels are restored.

How safety valve works?
The working of a safety valve involves a spring-loaded mechanism that holds a valve seat in place. Under normal operating conditions, the spring force keeps the valve closed, maintaining the pressure within the system. When the pressure rises above the designated safe limit, the force exerted by the pressure overcomes the spring tension, causing the valve to lift off its seat and release the excess pressure. Once the pressure drops back to a safe level, the spring force re-seats the valve, thereby closing it and preventing further release. This automatic operation ensures that the system remains within safe pressure limits, protecting it from overpressure scenarios.

How many types of safety valve are there?
Steam safety valve
Thermal safety valve
Conventional Safety Valve
Pressure safety valve
Bellow seal safety valve
Pilot operated safety valve

What is the difference between safety valve and relief valve?
A safety valve and a relief valve both serve the purpose of protecting systems from overpressure, but they operate in different contexts and have distinct mechanisms. A safety valve is typically used in steam, gas, or vapor systems. It is designed to open rapidly, fully opening at the set pressure to quickly release a large amount of pressure and prevent potential explosive situations. The quick action of a safety valve is crucial in applications where a sudden overpressure condition could lead to catastrophic failure, such as in boilers and pressure vessels.

In contrast, a relief valve is commonly used in liquid systems. It opens more gradually compared to a safety valve, providing a controlled release of excess pressure to protect the system. This gradual opening is suitable for applications where a sudden release could cause damage or instability in the system, such as in hydraulic or liquid-filled systems. Relief valves are often found in applications where maintaining continuous operation and preventing surges or spikes in pressure are essential. While both valves aim to prevent overpressure, their differing designs and operational characteristics make them suitable for different types of systems and applications.

What benefits does a safety valve provide?
These valves automatically release pressure when it exceeds a preset limit, preventing potential equipment failure or explosions.
By maintaining pressure within safe limits, they prevent damage to boilers, pressure vessels, and other pressurized systems, extending their lifespan.
They safeguard operators and personnel by reducing the risk of accidents related to overpressure situations.
Many industries are required to install safety valves to comply with safety standards and regulations, ensuring legal compliance and avoiding penalties.
By preventing catastrophic failures, they help avoid unplanned shutdowns, thus maintaining operational continuity and productivity.
They reduce the likelihood of costly repairs and replacements by protecting critical components from overpressure damage.
They can prevent the release of hazardous materials into the environment, reducing the risk of environmental contamination and associated clean-up costs.
Safety valves can be used in a variety of applications, including steam systems, gas systems, and liquid systems, making them versatile components in many industries.
They operate automatically without the need for manual intervention, ensuring immediate response to overpressure conditions.
They are designed to be reliable and effective under various conditions, providing consistent protection across different operating environments.

As one of the leading Safety valve manufacturers in Saudi Arabia, we supply valves to these industries:
Oil and Gas Industry
Chemical and Petrochemical Industry
Power Generation
Manufacturing
Aerospace
Mining
Water Treatment
Marine Industry
Nuclear Industry
Automotive Industry
Firefighting
Water and Wastewater Treatment
Energy Generation
Paper and Pulp Industry

Description:
Body Material – Cast Iron and Steel (A216 WCB, WCC, LCB, LCC, WC6, WC9), Ductile Iron, Stainless Steel [SS316, SS304, SS316L, SS904L, CF8, CF8M, F304, F316, F31L, F51, F3, F55, F91], WCB, WC6, SS304, SS316, Duplex Steel.
Class – 150 – 2500
PN 10 – PN 450
Size – ½ - 24”
Ends- Butt welded, Socket welded, Flanged, Threaded

Visit our website for more details: https://www.middleeastvalve.com/product-category/pilot-operated-safety-valve/

Gate Valve suppliers in UAE

Middleeast valve is the largest Gate valve suppliers in UAE. Gate valves are essential components in various industries, particularly in the field of fluid control and piping systems. They are widely used to regulate the flow of liquids and gases by opening or closing the passageway with a sliding gate. Their simple yet effective design makes them suitable for applications where tight shut-off is required.

Gate Valve Operation:
The operation of a gate valve is straightforward. When the valve is open, the gate is lifted to allow the fluid or gas to pass through the valve unobstructed. Conversely, when the valve is closed, the gate is lowered to block the flow completely. This on-off mechanism makes gate valves suitable for applications where precise control over the flow is necessary.

Working Principle of Gate Valves
Gate valves operate on the principle of a sliding gate that moves perpendicular to the flow path. When the valve is open, the gate is lifted, allowing the fluid or gas to pass through the valve unimpeded. Conversely, when the valve is closed, the gate is lowered to block the flow completely, creating a tight seal against the seat. This simple yet effective mechanism enables gate valves to provide precise control over the flow of fluids and gases.

Gate Valve Components-
Gate valves consist of several key components:
Body: The main outer casing of the valve, which contains all the internal components and provides the connection points for piping.
Gate: A flat or wedge-shaped obstruction that moves perpendicular to the flow path to control the flow of fluids or gases.
Stem: A shaft connected to the gate that allows for the movement of the gate when the valve is operated.
Bonnet: The top portion of the valve that houses the stem and provides a seal to prevent leakage.
Seat: The surface against which the gate seals when the valve is closed, ensuring a tight shut-off.
Actuator: In some cases, gate valves are equipped with actuators such as handwheels, gears, or motors to facilitate manual or automatic operation.

Function and Features:
Gate valves offer tight shut-off, minimizing leakage for critical applications.
They enable bi-directional flow, adapting to various piping configurations.
With low pressure drop when fully open, gate valves ensure efficient fluid or gas flow.
Constructed from durable materials like cast iron, carbon steel, or stainless steel, they resist corrosion and wear for longevity.
Gate valves provide flexibility with manual or automatic operation, enhancing convenience in diverse environments.

Gate valve types:
Rising Stem Gate Valve
Non Rising Stem Gate Valve
Bellow Seal Gate Valve
Pressure Seal Gate Valve
Cryogenic Gate Valve
Forged Gate Valve

Gate valve suppliers in the UAE provide essential components for fluid control and piping systems, ensuring precise regulation of liquid and gas flow. Their straightforward design, robust build, and adaptable functionality make gate valves indispensable across diverse industries, particularly in applications requiring dependable shut-off capabilities and consistent performance.

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 Gate valve, Gear operated Gate valve, Electric actuated Gate valve and Pneumatic Actuated Gate valve
Ends: Flanged(FF,RF,RTJ), Buttweld, Socket weld, Threaded
Standards: API607, DIN, BS, ANSI, AWWA, ASME, API6D

https://www.middleeastvalve.com/product-category/gate-valve/

Swing check valve manufacturers in Saudi Arabia

Middleeast valve is a topmost Swing check valve manufacturers in Saudi Arabia . We supply to cities like Sitra, Hidd, Mina Salman and Askar.

A swing check valve is a type of check valve used to prevent backflow in pipelines. It works by allowing fluid to flow in one direction and automatically closing to prevent backflow in the opposite direction.

Structure and Design:
A swing check valve typically consists of a hinged disc, known as the swing disc, mounted within the valve body. The hinge is positioned at the top of the disc, allowing it to freely swing or pivot. When fluid flows in the forward direction, the pressure pushes the disc open, allowing unimpeded flow. However, if the flow reverses, the disc swings back to its closed position, preventing backflow.

The valve body is often cylindrical and features an inlet and an outlet. Some designs may include a lever or counterweight to assist in the closure of the valve and reduce the chances of water hammer.

Working Principle:
The operation of a swing check valve relies on the force of gravity and the flow of fluid. When there is forward flow, the fluid exerts pressure on the disc, causing it to swing open. The swinging motion is unimpeded, allowing the fluid to pass through freely.

During reverse flow or when there is a cessation of forward flow, gravity aids in the closure of the disc. The weight of the disc, coupled with any additional counterweight or lever mechanism, ensures a swift and effective closure, preventing backflow and maintaining the integrity of the system.

Maintenance Considerations:
While swing check valves are generally robust, proper maintenance is essential for optimal performance. Regular inspections should be conducted to check for signs of wear, corrosion, or damage to the valve components. Lubrication of moving parts and the removal of any debris that may impede the swinging motion are crucial for sustained functionality.

Swing check valve manufacturers in Saudi Arabia are cost-effective and low-maintenance, making them an ideal choice for suppliers in Bahrain.

Description:
Available Materials: WCB, WC6, LCC, LCB, WCC, SS304, SS316, CF8M, F51, F53, F55, Aluminium bronze, Cast Iron and Ductile Iron.
Class: 150 to 2500
Nominal Pressure: PN10 to PN450
Size: 1/2” to 24”
Ends: Flanged, Buttweld, Socket weld, Threaded

Parts:
Body
Disc
Hinge
Spring or weight
Seals
Handle
Inlet and Outlet
Gland packing
Stem

Advantages:
It has a relatively low pressure drop across the valve, which means that they do not significantly impede the flow of fluid.
The design of a swing check valve is relatively simple, which makes it easy to manufacture, install, and maintain.
It can handle flow in either direction, which makes them suitable for use in systems where the flow direction may change.
Swing check valves are relatively inexpensive, and are a cost-effective choice for many applications.
They are easy to operate, and can be opened or closed manually by turning the handle or lever.

Industries which use them
Oil and Gas
Water Treatment
Chemical Industry
Power Generation Industry
Marine Industry
Mining Industry

Visit us: https://www.middleeastvalve.com/product-category/swing-check-valve/