UAE valves is one of the most intrusted Check Valve Supplier in Dubai, which offers a range of
premium check valves suitable for different industries. They are made strong and reliable with
effective protection in important systems, including chemical processing, oil and gas pipelines,
and water treatment functions.

A check valve is one of the required components of liquid and gas systems, which only allows
fluid flow in one direction. It acts as a safety valve to prevent reverse streams that can destroy
the tool, pollute the system, or prevent any process. The check valve works automatically by
using the pressure difference on the inlet and outlet and stops in opening or closing without
manipulation. The primary purpose of this control is to ensure that a pipeline or system has a
uniform flow so that pumps, compressors, and all sensitive equipment are protected from
backwards.

Types of Check Valves:
1. Dual Plate Check Valve The valve has two hinged plates that open and close as the flow
pressure dictates to it. It is compact, lightweight, and typically associated with systems that
require less space. Because of the dual nature, a swift seal reduces the possibility of backflow.
Although relatively difficult to check, they are used in water treatment, HVAC systems, and
high-flow applications.

2. Forged Steel Check Valve: These valves provide strength and durability. They are designed
for heavy-duty applications in high-pressure systems, such as those that occur in oil and gas,
petrochemicals, and power generation.

3. A single-plate check valve is quite different from the others, as it does not rely on dual plates
to facilitate the direction of flow; instead, it makes use of a single disc. It has a high preference
for lower volume applications and systems whereby simplicity is an essential requirement; it
usually applies in household, business, and lesser industrial set-ups.

4. Swing Check Valve: This valve contains a disc, which opens by the presence of flow and
closes if there is no flow or the flow reverses. Swing check valves are widely used in large
pipelines where the flow rates are greater, and preventing backflow is highly essential. They are
found to be very effective for protecting pumps and other equipment from back flow damage.

5. Lift Check Valve This valve consists of a disc that lifts from its seat on flow in one direction
and rests on it when the flow direction gets reversed. This type of valve is generally used for
vertical piping or pipelines of relatively lower flow velocity. They provide a good option to
protect sensitive appliances.

6. Pressure Seal Check Valve: Designed for high-pressure applications, these valves use a
pressure-seal mechanism that strengthens as the pressure increases. This ensures a tight seal even
under extreme conditions, making them ideal for use in steam, gas, and high-pressure water
systems.

7. Tilting Disc Check Valve: In this design, the disc tilts in one direction to allow the flow and
seals in another direction to prevent backflow. This design causes less turbulence in the flow. It
is used in very large industrial and municipal systems handling high-flow liquids and gases.

Swing Check Valve Use
Swing check valves are particularly useful in systems where large amounts of liquid or gas flow
through pipelines, such as in water, sewage, and industrial applications. It protects pumps and
compressors in case of reverse flow that may damage them. Swing check valves are also
particularly useful in systems of a high probability of reverse pressure and intermittent flow.
Their design makes them especially suited for larger pipelines where efficient and reliable
operation is crucial.

What is cracking pressure on a check valve?
Cracking pressure is the minimum pressure that a check valve requires for it to open. It is the
pressure at which the valve starts to allow fluid flow in the needed direction. In order to perform
best, especially in low pressure or pressure flow systems, crack pressure must be adjusted
sometimes. For example, in a high pressure system, a high crack pressure will be necessary to
avoid unwanted backflow. Lower cracking pressure may avoid excessive strain on the system.

Applications Where Check Valves Are Used
Check valves are used in a myriad of applications throughout a range of industries, including but
not limited to:
Oil and Gas: protecting pipelines and pumps from backflow to allow for safe and efficient
operations
Water Treatment: preventing backflow and contamination within municipal and industrial water
systems
Chemical Processing: prevention of backflow of hazardous chemicals into equipment or storage
tanks.
- Turbines and Pumps: Prevent the turbines and pumps from being damaged on account of
backflow
- Heating, Ventilation, and Air-Conditioning Systems : Adequate direction of the fluid in the
heating, ventilation, and air-conditioning systems
Check Valve Supplier in Dubai offer essential solutions to all industries in Dubai and across the
world.

Description:
Body Material- Cast Iron and Cast Steel (LF2, A216, WCB, WCC, LCB, LCC, WC6, WC9),
Ductile Iron, Stainless Steel [SS316, SS304, SS316L, SS904L, CF8, CF8M, F304, F316, F31L,
F91), DUPLEX AND Super duplex STEEL [ F51, F53,F55 ] Forged Steel A105, A105N, F11,
F22, F304, F316, F91]
Size- ½” – 80”
Class-150 – 2500; PN10 – PN-450
Ends- Threaded, socket weld, butt weld, flanged, lug, wafer.

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