How do fire dampers work as ventilators?

Fire damper manufacturer in UAE

The property owners recognize the importance of adequate steps or measures against fire damage. Fire damper manufacturer in UAE can install the equipment in different areas at home or in a commercial building. Although the damper is not the only product to look for, it is important to inspect the different other parts of the system to work efficiently in the misfortunate event of a fire. The latest HVAC air distribution products in UAE include the fire dampers as the pre-installed system. It is important to get the periodic inspection and repaired and understand their working.

How do they work?

Fire dampers begin the operation when the room temperatures go up to 165°F. This is the point at which the fuse of the fire damper will melt and the door closes automatically. The property owners need to understand that the places at which the fire dampers are installed usually do not get this temperature and have higher melting points than 165°F.

What is the necessity?

It is important to incorporate the fire safety equipment in the ductwork of any house or office. The exhaust valves exporters in UAE give different options to choose from and install the equipment to spread fire during an accident. The fire spread is retarded to spread to the rest of the home and the smoke doesn’t travel through the ductwork in any fire event.

Fire Dampers in Ventilation Systems

The fire damper manufacturer in UAE intends to install the systems in ventilation areas as the cut-off baffles that separate the fire zone from the rest of the building. The major function of KWP type of fire dampers is to restrain the fire spread, temperature, and smoke. It additionally uses the actuators for use in the mixed ventilation systems. There are fire dampers available for vertical and horizontal installation that is used in walls and ceiling-fixed AC systems.

A fire damper is constructed, manufactured, and tested as per the standards for Ventilation for Buildings. The sensitivity of the equipment is checked by the tests following the guidelines for the testing and service installation. The usual construction of a fire damper consists of two bodies manufactured using the galvanized steel that is separated by the insulated dividers with a thick fire-resistant material. Fire dampers are manufactured for use in chemically aggressive surroundings, such as laboratories, the food industry, the chemical industry, or similar platforms. In this case, the steel components are replaced by acid-resistant steel that doesn’t corrode or wears away soon.

Fire damper manufacturer in UAE
Conclusion:

TechnalCo is a renowned fire damper manufacturer in UAE with the oldest air distribution products and fire safety installations throughout the UAE. The company manufactures and suppliers high-end fire devices and HVAC air distribution products in UAE with the leading duct facilities among distinguished customers. The company works with international standards and is recognized as the best name across the HVAC air distribution products in UAE. These exhaust valve exporters in UAE are the oldest and the most reliable manufacturers offering the customer-durable segment, OEM segment, AC and heat exchangers, and their associated parts.

The company values quality and works professionally to give the most promising products to people online. The products meet international quality standards and are recognized in the global markets. The manufacturing unit of the company is located in Umm Al Quwain, UAE, and the distribution is done throughout the UAE and some other places as well. The product range can be viewed online and all your queries would be handled by experts.

Using Intake and Exhaust Air Louvre for Fresh Air

Intake and Exhaust Air Louvre

There’s a growing need to provide buildings with fresh outdoor air in the present era of sustainable buildings. This ensures that there will continue to be the need to cover outdoor air and construction exhaust openings with louvers. Construction envelopes and components that secure them have evolved and will continue their adaptation to meet evolving requirements in design and code.

Air distribution systems include air handlers, conductors, and related heating, ventilation, and air conditioning elements. It provides fresh air, preserving ample indoor quality while providing air conditioning for offsetting heating or cooling. Multiple elements must function in tandem to ensure the optimal conditions are preserved. They use relatively big quantities of energy to dramatically minimize energy usage by smart operating techniques and good maintenance practices.

Types of Louvre

A Louvre is a multi-blades system that allows air to flow but prevents the entry of water or other elements when placed within an opening.

Intake and Exhaust Air Louvre

For centuries Traditional louvers non-drainable blades with “Z” or “J” have been in use in the building. They provide a means to broad airflow volumes but provide almost no rain security. This lack led to non-drainable blade louvers type “K.”

The design of the blade was originally known as a “storm-proof” and had a rain hook. Unfortunately, they are not up to their name, which offers very little rain cover.

To mitigate the consequences of water infiltration, drainable blade louvers were made. With hopes of better performance over a single drainable louvers blade, the dual- drainable blade louver was created. These louvers, however, gave limited rain protection and in wind-driven rain conditions were unsuccessful.

AMCA added a new test to its ANSI/AMCA standard 500-L1 in response to a request for higher standards of envelope safety. The initial water penetration test uses still air and is still a criterion assessment. The revised test standard however addressed severe weather-related problems in the louver sector, which were loosely based on European HEVAC test standards.

This shift in market demand contributes to the development of a new product, the rain louver powered by wind.

Typical rain louvers powered by wind can be characterized, at times, by their narrow blade centers, sophisticated aerodynamic blade shapes, and front and rear rain gutters. The louvers reduce the effective water penetration inside buildings and have considerably higher airflow capability than traditional ranges in many instances.

PERFORMANCE CRITERIA
In a certain application, the three most common performance requirements assessed for intake and exhaust air louver selection are the following:

  1. PRESSURE DROP
    Pressure drop is the pressure difference in a flux system between two stages. It is also called air efficiency.
  2. FREE AREA
    Free area is the minimum area that air can enter, typically as a percentage. The face field, which is a whole section of a louver, should not be disturbed.
  3. RESISTANCE TO WATER PENETRATION
    The resistance to water penetration calculates the quantity of water that passes through a louver under certain airflow conditions. It is the weight of the water that moves through the open air at a defined free area speed. The maximum rate of speed is 6.35 m/s 1250 fpm for water penetration.

CONSIDERATION WHILE SELECTING A LOUVRE
When defining three things – louver selection parameters, application design, and local building code design parameters – it is ensured that they are best qualified to choose the right louver model for the application. The majority of conventional louvers are tested on the basis of the above criteria for performance: pressure drop, free area, and resistance to water penetration.

In particular, Rain infiltration can cause huge problems inside a building, from rotting ceiling tiles, drywall, mold growth to personal injury damage to equipment due to wet floors. It should be noted that the ANSI / AMCA Water penetration test standard 500-L is still an air test, which replicates silent precipitation without wind impact. During this test, two methods of water are added to the louver.

Simulated rainfall from above the louver falls under the first process. The second one, which simulates rain flowing down the face of a wall, is spraying water in a test chamber bulkhead above the louver. Airflow from behind is traveled through the louver and there is no wind impact during the examination. The objective of the test is to evaluate the speed of the free area by louver occurs when water penetration is 3 mL (0.01 oz) (mass) per square foot of free space. The maximum AMCA rating for water-penetration measured for airflow is 6.35 meters/s (1250 fpm) for free areas.

Although conventional louvers can escape some rainfall in calm rainy weather, they are much less successful in wind-driven rainy weather conditions.

A specifier should bear in mind that a percentage free area when choosing a louver is not an overall output measure. It is simply an indication that the unique louver model can handle larger air quantities. The architecture of the blade directly affects the pressure drop. The more measures, the more rain hooks and the drainage provisions are usually available in a blade configuration, the greater the effect on-air performance.

The spacing of the blades and layout, airflow path, drainage panels, and rear structural supports can also affect the efficiency of the water penetration.

LOUVERS FOR EXTREME CONDITIONS
Checking real-world conditions are crucial for all of the layout versatility of a louver. Louvers should not only look fine but also work in different elements of nature. The construction and component design of different geographical regions need numerous considerations.

The ANSI/AMCA Standard was tested for wind-driven rain-resistant louvers. 500 L rain test parameters powered by the wind, which simulate conditions of the storm. The trial compares the amount of water the louver rejects to how much water an identically wide opening can penetrate without a louver to stop the rain.

The airflow is drawn into the opening during this test, while the wind is simultaneously face blown. Water would then be carried into the airway and then pushed by the wind on the louver. The storm conditions can be used in the test at two different stages. The fundamental requirement applies winds of 13 m/s (29 mph), and rain of 75 mm/hr (3 in.) (8 in./hr) of rain. Airflow is drawn into the louver at different rates and Penetration of water is determined by grams or ounces (volume) based on a one-hour duration.

WIND-DRIVEN LOUVERS’ EFFECTIVENESS
A test was conducted in a comparison test to the basic situation, of 13 m/s (29 mph) winds and 75 mph (3 pounds per hour) of rain, of the conventional drainable blade louver, which has obtained the highest level possible in the ANSI/AMCA Standard 500-L water penetration test. Many wind-driven rain louvers may deliver 99% or better rain refusal at the maximum airflow system available. The traditional louver instead rejected only about 65% of the water applied and allowed about 25 times the water for comparison tests.

AMCA LOUVER CERTIFICATIONS
Before specifying, designers should consider how a louver works, and several test methods and certifications are designed for making the decision. Louvre producers may use various test methods and laboratory setups to arrive at their independent performance results. The use of a third-party certification body is advisable to ensure that the cataloged performance data is reliable and up-to-date.

AMCA is a third-party inspection body that also produces American peer-vetted national test louvers standards. ANSI/AMCA Standard 500-L is the most common AMCA standard used to assess and monitor for the efficiency of louvers. AMCA Certified Ratings Program (CRP) for air control items is also conducted by the association. AMCA Publication 511 includes recommendations for certifying performance scores.

If the CRP has approved the production of the exhaust valves exporters UAE, the specifier should ensure that its performance test data are obtained in the nationally certified form in accordance with the methods indicated. AMCA personnel also control the process.

Catalog of the product line, ensuring accurate ratings and information. In order to preserve the integrity of the information, a product line then undergoes a check inspection at prescribed intervals.

The product can’t be sealed by AMCA itself. However, catalogs, datasheets, and electronic software should be included in the suppliers. Lovers may be approved for

  • Efficiency of the air
  • Audio output
  • Water penetration
  • Wind-driven rain
  • Wind-driven sand
  • Air leakage

Manufacturers of intake and exhaust air louver can choose to have 1 seal for each form of license or combined seal.

HOW TO SPECIFY AMCA-CERTIFIED LOUVERS?
In order to achieve the performance characteristics required for a given application, architects and engineers should properly specify louvers. In addition to the general details of the structure, it is recommended that the percentage of the free space, the maximum permissible pressure drop, the starting point for a wind-driven rain penetration (usually class A) be specified at the specified free-area ventilation rate.
This language should accompany the requirements in order to ensure louvers are AMCA accredited and follow the standards chosen by the specifier.

Building owners and designers will still face obstacles. With the increasing requirement for fresh outdoor air and focus on overall device effectiveness, the technology and testing requirements for louver construction have been continually improved to meet the changing demands of the construction industry. Understanding the design criteria and the types of louvers available for the project location will help you select the intake and exhaust air louver that best defends against the elements, ensuring accurate ventilation and maximum system performance. And AMCA-certified louvers help to ensure that your design works as planned.

Everything You Need to Know about HVAC & Air Distribution Systems

HVAC air distribution products in the UAE

HVAC or Heating, Ventilating, and Air conditioning systems are essential parts of any residential, commercial, or industrial buildings. In fact, it’s the sustainability trends and building performance that has increased the popularity of HVAC air distribution products in the UAE.HVAC or Heating, Ventilating, and Air conditioning systems are essential parts of any residential, commercial, or industrial buildings. In fact, it’s the sustainability trends and building performance that has increased the popularity of HVAC air distribution products in the UAE.

HVAC air distribution products in the UAE

An HVAC system helps control the temperature, air quality, and humidity while providing a comfortable indoor environment to the buildings’ equipment and residents. So, when you know how beneficial an HVAC system can be, it’s better to get the system for your building. But the question is how to find a reliable air distribution product manufacturer in UAE? No doubt, with the given number of manufacturers, it isn’t easy to make the right decision. However, if you wish to get high-quality products at an affordable price, then TECNALCO- Aluminium Technical Engineering Factory is the right choice. They for over three decades have offered the right HVAC solutions to their customers. Moreover, their products come the assurance of quality and longevity. In every way, they are the best air distribution product manufacturers in UAE; you can entirely rely on them.

In case you don’t have enough Idea or information about the HVAC system, then go on to read the details mentioned below-

Types of HVAC system

Here let’s check out the type of HVAC system available for commercial buildings-

1. Centralized

As the name indicates, a centralized HVAC system is a single unit fulfilling the entire building’s needs. Typically, the centralized system is located in a single area. The system is a consolidated unit and uses water as a cooling medium and extensive ductwork for its distribution. A centralized system is not only easy to control but also offers more significant load management potential.

Though the set up can be a bit expensive, it is absolutely worth it.

2. Packed

For buildings with smaller spaces, a packed HVAC system is used. Both packed air conditioning and heating systems are available in one packet unit, which contains the following-
• The air conditioner/fan coil in one unit/heat pump together with the evaporator

• Control/ Thermostat interface offering complete control of the system.

• Optimal air quality improver can include air purifiers, UV lamps, ventilators, or anything that helps make the air in your home or office clean before circulation.

Finding a packed HVAC system is relatively easy with the air distribution product manufacturers in UAE. Not only can you get quality products with the right one but affordable products.

3. Individual-

Decentralized for individual HVAC systems provide energy or meet the need for a building using various individual units located in different building locations. For instance, self-contained unit packages are rooftop HVAC systems, while for the rooms, there are air conditioning units and air to air heaters.

One of the most significant advantages of individual HVAC systems is that they are easy to control and require lower investments. However, they are not recommended for large buildings as they require great maintenance if the system is distributed across the building. Moreover, it is essential to consolidate systems to break all leaks and are expensive to replace.

So, while choosing an HVAC for your requirement, make sure to consider various factors like your building area, your requirement, budget, efficiency, and various other aspects to find the right one for you.

How does an HVAC system work?

HVAC air distribution products in the UAE

Just like any other climate control device, the HVAC system is made up of three main components-

Heating

When it comes to the heating part of an HVAC system, a furnace, heat pump, or boiler fulfills the aspect. While a furnace works by burning fuel to circulate and provide warmth throughout the room, a heat pump operates just like an air conditioner in reverse.

In the same way, cool air is provided via two methods- air conditioners and heat pumps in cooling mode, both of the methods efficiently removing the heat in the room. The cooling system uses refrigerants to provide cool air inside the building while eliminating excess humidity to ventilate the space.

Ventilation

The HVAC system’s ventilation system removes the stale air and any foul smell from inside the building while replacing all of it with fresh outdoor air. The system works by removing some of the heat, carbon dioxide, dust, and moisture from the space and fills it with fresh air.

Not just this, but the system also works as an efficient humidifier as it can very well remove excess humidity from inside the room to improve the air quality.

Temperature control

Typically, all of the HVAC systems are controllable with a thermostat program, designed specifically to suit the required temperature of those in the room. An HVAC system maintains the set temperature for the desired duration of time, ensuring optimum comfort to the visitors, employees, and the general public.

Moreover, it provides great convenience to the user as it can be regulated simply with a button press. So, you will not have any problem achieving the desired heating and cooling levels inside your building as long as you wish. Knowing the efficiency and convenience of HVAC air distribution products in the UAE, you should get one for your office to provide your employees and visitors the comfort they need.

air distribution products manufacturer in the UAE

Conclusion-

HVAC system undoubtedly is an essential component to maintain energy-efficient, comfortable, and healthy building. Therefore, you should contact only the best air distribution products manufacturer in the UAE to get the right system for you. A manufacturer like TECNALCO- Aluminium Technical Engineering Factory, will evaluate your home or building HVAC needs first and then provide the right solution. Moreover, they can offer you suitable recommendations or solutions that meet your budget and requirement.