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Aluminum jacketing is an important insulation material used in different industries. It's mainly used in piping systems to protect insulation from moisture, chemicals, and physical damage. Aluminum jacketing is popular because it is lightweight, corrosion-resistant, and durable.
In construction, automotive, HVAC,marine, and oil and gas industries, insulating aluminum jacketing are commonly used. They are available in various thicknesses, including 0.016, 0.024, 0.032, 0.040, and 0.050 inches, depending on the protection level required.
Aluminum jacketing comes in various forms, with each serving a unique purpose and offering different benefits.
Plain aluminum jacketing
Pipes and equipment are better protected by moisture and insulation with plain aluminum jacketing. The primary function of this form is protection, thus making it a common choice in many industries.
Pre-coated aluminum jacketing
A layer of protective coating on the aluminum jacketing enhances corrosion resistance. It's suitable for harsh environments where traditional aluminum jacketing may not provide sufficient long-term protection. This variety often includes a polyester or epoxy coating over the aluminum to help with rust and chemical degradation.
Perforated aluminum jacketing
One major benefit of perforated aluminum jacketing is that it allows for the dissipation of heat and moisture. This feature helps to prevent the accumulation of water between the jacket and the insulation. This type of jacketing is often seen in industries where insulation integrity and safety are main concerns. It is also important in areas where the buildup of moisture can cause significant operational issues.
Spacers and aluminum jacketing
It is important to note that spacers are often made of non-corrosive materials like PVC. They are installed between insulation sections to maintain even spacing. Using both spacers and aluminum jacketing has the benefit of maintaining insulation efficiency. They both work by ensuring that the insulation remains securely in place while the minimum thickness is achieved.
Heavy-duty aluminum jacketing
Moderate-jacketed aluminum, which is also referred to as heavy-duty aluminum jacketing, comes in thicker gauge, usually around 0.06 inches. This variety is made for use in very sensitive areas where normal jacketing will not be able to withstand very rough conditions. These may be areas exposed to highly impact or extreme weather conditions.
Aluminum jacketing has many unique features that make it the right choice when protecting insulation in industrial piping systems. These features improve the lifespan of insulation, reduce maintenance costs, and increase operational efficiency. Below are some of those features.
Corrosion resistance
Corrosion resistance is one of the most important features of aluminum jacketing. Aluminum naturally forms a protective oxide layer that prevents corrosion in such environments as chemical plants, offshore rigs, and power stations. For this reason, it is ideal for protecting thermally insulated pipes and equipment in these industries.
Durability and strength
In addition to corrosion resistance, aluminum jacketing is also very durable. Unlike other insulating materials, it does not break easily. It is also waterproof, meaning it does not rot like others when exposed to moisture. Furthermore, lightweight aluminum makes it easy to handle and install despite being strong enough to protect itself from most impacts and abrasions.
Reflectivity
Insulation covered with aluminum jacketing provides high reflectivity. That is why it is preferred in many industries. The metal's ability to reflect up to 80% of radiant heat helps maintain lower temperatures on surfaces. This quality lessens heat loss during operations while improving system energy efficiency.
Low maintenance requirements
As a result of its durability and resistance to environmental factors, aluminum jacketing requires very little maintenance during its lifespan. It can withstand different weather conditions, including UV exposure. It also means operational downtime for repairs or replacements is significantly reduced.
Ease of installation
A major benefit of aluminum jacketing is that it is easy to install. Other than that, it is an eco-friendly material. Most of it is made from recycled aluminum to ensure minimal environmental impact. It also helps minimize operational costs while enhancing the system's overall efficiency and eco-friendly approach.
Piping insulation
The primary use of aluminum jacketing is to protect piping insulation in industrial applications. It aids in safeguarding the insulation from moisture, mechanical damage, and chemical exposure. Moreover, it provides a protective layer that enhances the insulation's efficiency. This is due to the jacket's reflective properties that reduce heat transfer.
Equipment protection
Pipes and equipment operating at high or low temperatures are protected by aluminum jacketing. Commonly, vessels, reactors, and heat exchangers that use thermal insulation are wrapped in aluminum jacketing. Doing so, helps maintain the desired temperature and improves energy efficiency. Furthermore, the durable nature of aluminum shields equipment from external elements that can cause wear and tear.
HVAC systems
In HVAC systems, aluminum jacketing is used to protect the insulation on ducts and pipes carrying heated or cooled air. By reducing heat loss or gain, the jacketing helps maintain the system's efficiency. Aside from that, it prevents condensation, which can lead to mold growth or damage to surrounding structures.
Offshore and marine applications
Marine and offshore environments highly benefit from aluminum jacketing due to its exceptional corrosion resistance. In these industries, it is used to protect insulation on piping systems and equipment exposed to saltwater and harsh weather conditions. It is therefore usually preferred for its ability to withstand the rigors of maritime environments. This makes it ideal for long-lasting, low-maintenance solutions.
Industrial facilities
Aluminum jacketing is widely applied in such facilities as power plants and refineries, where insulating materials are needed. In these facilities, it protects insulation on steam and process lines. The jacket's perforated design is useful in preventing moisture buildup that can compromise insulation integrity over time.
There are some factors that wholesale buyers must consider before buying aluminum jacketing in bulk. Below are some of these factors.
Grade
There are different kinds of aluminum. Each kind has unique properties that make it suitable for a specific purpose. For example, 1100 aluminum is often used for aluminum jackets. This is because it is corrosion-resistant and highly workable. It is also very durable and easy to install. 3003 is also used. It has moderate corrosion resistance, workability, and weldability. Other than these two, there are other grades that manufacturers may use.
Coating
Manufacturers add a layer of protective polymer to aluminum jackets. The purpose of the coating is to provide more insulation, enhance its durability, and resist corrosion. In some jackets, manufacturers add a coating to improve the aesthetic appeal of the jackets. A popular example of a coating material is steel.
Thickness
Aluminum jackets come in different thickness levels. Each thickness caters to a particular need of the customer. The standards of the Aluminum Association state that the thickness should be within 0.016 inches to 0.050 inches. Jackets with higher thickness have better protection from physical damage. However, they are also more difficult to install.
Customization
In this case, buyers can request manufacturers to make specific adjustments. For instance, they can request jackets with specific width and length measurements. They can also request jackets with features that enhance safety. Such features include folds and bent seams that reduce sharp edges. They can also order jackets that have black petroleum insulating cement, which prevents corrosion, as well as enhancing safety.
Application
Buyers should consider what the customers intend to use the jackets for. Different customers have different needs depending on the industry they operate in. The common factor is protection. All customers look for jackets that help protect their pipes and equipment from external elements. The jackets should also help improve the insulation efficiency.
Jacket styles
Aluminum jackets come in different styles. The most popular style is a two-piece jacket. other styles include perforated jackets, pre-coated jackets, and spacer jackets. Each style has unique benefits. Buyers must choose the one that will cater to their clients' various needs.
The main reason for using black coating in aluminum jackets is to enhance its resistance and protection against corrosion.
Spacers are not always necessary. However, they play an essential role in maintaining the correct minimum insulation thickness for insulated pipes.
The recommended material for spacers is rigid non-corrosive PVC.
1100-H14 unfinished aluminum is the most commonly used aluminum for jacketing.
Using spacers made of PVC helps improve the longevity of aluminum jackets during installations.
