Our Product
Excellar E&S Company Limited (Excellar E&S)
Distribute engineering products and services For the power plant industry, cement plants, paper mills, petrochemical plants, including work on oil rigs. The products sold and materials used in the service are of high quality according to engineering standards and service work by a team with expertise and experience.
Expansion joint
also known as a compensator, is a compensating element used to manage thermal expansion and relative movement in pipelines, containers, and machinery. These joints consist of one or more bellows, connectors at both ends, and tie rods, depending on the application. Let’s explore their features
- Expansion joints accommodate three basic types of movement:
- Axial Movement: Along the length of the bellows.
- Angular Movement: Rotation around a central axis.
- Lateral Movement: Sideways displacement.
- Absorb Vibrration
- Metal expansion joints find usage in various sectors, including:
- Energy Production: Power plants, turbines, and generators.
- Chemical Industry: Chemical processing equipment.
- Water Treatment: Piping systems.
- Oil and Gas: Refineries, pipelines, and offshore platforms.
- Metal Expansion Joint
- Rubber Expansion Joint.
- Fabric Expansion Joint
- Modern bellows often have a multi-ply design.
- Multiple thin plies of material enhance flexibility and stability.
- Two common structures: multi-ply and single layer.
- High Pressure Resistance: Suitable for high and very high pressures.
- Durability: Withstands wear and tear.
- Fire Safety: Non-combustible and emits minimal smoke.
- Soundproofing: Reduces noise transmission.
- Moisture Resistance: Resistant to mold and mildew.
- Easy Installation: Simple handling and installation.
Flange insulation kit
Flange insulating gasket kits are used to separate non-similar material flanges in piping systems. They are designed to prevent galvanic corrosion, which is a type of corrosion that occurs when two dissimilar metals are in contact with each other in the presence of an electrolyte.
- An insulating gasket: This gasket is made of a non-conductive material, such as PTFE , glass-reinforced epoxy or Phenolic Resin. It is placed between the flanges to prevent electrical contact.
- Insulating sleeves: These sleeves are placed over the bolts that secure the flanges together. They are also made of a non-conductive material to prevent electrical contact.
- Insulating washers: These washers are placed under the bolts that secure the flanges together. They are also made of a non-conductive material to prevent electrical contact.
There are several benefits to using flange insulating gasket kits
- Prevention of galvanic corrosion: Flange insulating gasket kits can help to prevent galvanic corrosion, which can save money on repairs and maintenance.
- Extension of the lifespan of piping systems: Flange insulating gasket kits can help to extend the lifespan of piping systems by preventing galvanic corrosion.
- Improved safety: Flange insulating gasket kits can help to improve the safety of piping systems by preventing galvanic corrosion.
- Cost-effectiveness: Flange insulating gasket kits are relatively inexpensive and easy to install, making them a cost-effective way to protect piping systems from galvanic corrosion.
- TYPE E : E – gaskets are for full face protection of both flange faces.
- TYPE F : F – fit the raised face surface area of the flanges.
- TYPE D : D – fit the ring grooves on ring type joint (RTJ) flanges.
- TROJAN TYPE : Trojan gaskets are state-of-the-art in near zero leakage static sealing. The elastomer sealing element is encapsulated in the electrically isolated retainer.
- Verify that the installation kits contain the material specified.
- Clean and inspect pipe flange faces and apply lubricant to all threads.
- Install the gasket and align the flanges to the bolt holes.
- Use alignment pins in two diametrically opposite bolt holes whenever possible to ensure proper alignment of flanges and gasket.
- Insert insulating sleeves into the bolt holes, taking care not to use force, which could damage the sleeve material.
- Insert the bolt with both insulating washers against the flanges, followed by the steel washer and nut.
- Tighten two diametrically opposite bolts to 30% to total torque.
- Replace the two alignment pins with bolts and tighten the remaining bolts to 30% of the total torque value.
- Tighten all bolts to 50%, then to 100% of final torque value.
- Bolts should be of sufficient length to extend through the nut approximately 1/4″.
PTFE PIPE LINED
PTFE Lined Pipes and Fittings are essential components used in various industries for conveying highly corrosive fluids. Let’s explore the details:
- Lined pipes are created by mechanically bonding a lining material to the inner surface of a pipe.
- The combination of materials allows us to benefit from the strength of the outer pipe (usually carbon steel) while utilizing the lined material’s corrosion resistance properties.
- These pipes are commonly used in applications where harsh environments and corrosive fluids are involved.
PTFE (Polytetrafluoroethylene) lining provides exceptional chemical inertness and resistance to corrosive fluids.
- Key features:
- Chemical Inertness: PTFE is resistant to most corrosive fluids, except for fluorine derivatives and extremely aggressive reducing agents.
- Low Friction Coefficient: Smooth surface minimizes friction.
- Non-Toxic and Non-Inflammable.
- Excellent Weather Resistance.
- Cost-Effective Alternative: Replaces rare and expensive metals.
- Long Service Life: Low maintenance and easy installation.
- Broad Temperature and pH Range: Exceptional corrosion resistance.
- Suitable for applications involving multi-component mixtures.
- Key features:
- Extend pipeline lifespan and reduce the risk of catastrophic failure.
- Avoid damage to pipes and surroundings.
- Ensure safety by preventing exposure to corrosive substances.
- Cost-effective due to long service life and minimal maintenance.
Liquid ceramic insulation
Liquid Ceramic Insulation is used to prevent heat loss caused by the deterioration of the existing lining and can be installed using a trowel, a caulking gun or a pump. Liquid Ceramic Insulation can be pumped easily and quickly into hot spots in HRSG wall ,boilers , gas turbine exhaust plenum ,furnace casings, door jambs, boilers, chimneys or any area difficult to access by other techniques.
- Low thermal conductivity
- Low shrinkage
- Good adhesion
- Ease of installation
- Resistance to thermal shock
- Excellent to vibration resistance
- On-line boiler hot spot repairs
- Seal surface door jambs
- Seal surface penetrations
- Seal around burner block
- Caulk refractory cracks
- Online refractory hot spot repairs
- Turbine exhaust duct hot sport repairs
Removable insulation jacketing
refers to a type of insulation cover that can be easily removed or reused. These jackets are designed to provide thermal insulation for various equipment and piping systems. Here are key points about removable insulation jackets:
- Removable insulation jackets are highly versatile and can be customized to fit different equipment in various applications.
- They are frequently used to insulate engine components, exhaust systems, industrial machinery, and more.
- These jackets help maintain consistent temperatures by preventing heat loss or gain.
- They are especially useful in applications where piping systems need to be modified or changed for different process operations.
- Removable insulation jackets are typically made from textile materials with a silicone coating, PTFE/Fiberglass cloth, Silica cloth, Silica silicone coating, Ceramic cloth and Aluminized cloth etc.
- The insulation mattress inside the jacket can be filled with materials such as glass wool, mineral wool, ceramic wool, aerogel, or other insulating materials.
Removable insulation jacketing comes in various types, each designed for specific applications. Let’s explore some common types:
- These jackets feature adjustable straps with double D-rings for secure fastening.
- Easy to remove and reinstall.
- Use hook-and-loop fasteners (Velcro) for quick closure and removal.
- Ideal for applications where frequent access is required.
- Utilize drawstrings to tighten and secure the jacket.
- Simple and effective.
- Feature snap buttons for easy attachment and removal.
- Commonly used in industrial settings.
- Tailored to specific equipment or piping systems.
- Designed based on unique requirements.
Insulation
Industrial insulation. The primary purpose of industrial insulation is to control temperature. installations insulation of turbine, machine, piping or tanks. The description of industrial insulation is as follows :
- Calcium Silicate: High-temperature insulation material with exceptional corrosion protection, compressive strength, and long-term performance.
- Mineral Wool: Lightweight, high-temperature insulation available in various forms such as mandrel-wound, lamella, v-grooved, and wrap.
- Perlite: Hydrophobic insulation with a corrosion inhibitor and high compressive strength.
- Polyisocyanurate: The yellow foam insulation wallboard can be fire-resistant at a high temperature of more than 400° C , energy-saving, high strength, light weight, impermeable to steam.
- Ceramic Fiber Wool, also known as Ceramic Wool, is a man-made synthetic fiber produced from small-diameter filaments composed of high-purity aluminosilicate materials Melt at a high temperature of 1200-1400 °C . The fiber quality is excellent, with a fire resistance of up to 1800 °C and
- Fiberglass wool insulation, also known as glass wool, is a type of insulating material made from extremely fine glass fibers. It is widely used for its excellent insulating properties.
- Energy Efficiency: Proper insulation reduces heat transfer, leading to energy savings and improved efficiency.
- Process Stability: Insulation maintains stable temperatures, critical for industrial processes.
- Personnel Safety: Insulation protects workers from exposure to hot surfaces.
- Environmental Impact: Effective insulation minimizes heat loss and reduces greenhouse gas emissions.
Insulation mattress
An insulation mattress is a type of removable insulation product that consists of a main insulation filler material wrapped tightly in a textile cover. These mattresses are designed to provide thermal insulation for various industrial, architectural, and HVAC applications. Here are some key points about insulation mattresses:
- Insulation mattresses help maintain consistent temperatures by preventing heat loss or gain.
- They are particularly useful in applications where equipment needs to be insulated but also accessed for maintenance or inspection.
- Easy Installation: They are lightweight and straightforward to install.
- Flexibility: Insulation mattresses can be shaped to fit various equipment configurations.
- Energy Conservation: They prevent heat loss, leading to energy savings.
- Low Maintenance: Fast investment return due to minimal upkeep.
- Inspection Access: They allow easy inspection of insulated equipment.
- Insulation mattresses find use in various industries, including:
- Marine: Lightweight insulation for pipes, valves, exhausts, and scrubbers on ships.
- Industrial: Used in power plants, petrochemical facilities, and waste-to-energy plants.
- Food and Beverage: Beneficial for breweries, coffee roasting facilities, and food plants.
- Nuclear: Customized for nuclear power plants with special materials.
- Heat Exchangers and Valves: Commonly applied to these components.
- Insulation mattresses contribute to lowering CO2 emissions by reducing energy loss.
- They are more sustainable than metal sheet boxes due to lower embedded carbon emissions.
In summary, insulation mattresses play a crucial role in energy efficiency, safety, and temperature control across various industries
Tadpole gasket
A tadpole gasket is a type of high-temperature thermal seal used in various applications where temperature resistance and flexibility are essential. These gaskets are designed to provide an effective seal while accommodating movement due to thermal expansion and contraction. Here are some details about tadpole gaskets:
- Tadpole gaskets consist of a flexible core (resembling a tadpole’s body) and a protective cover.
- The core can be made of materials such as stainless steel, Inconel®, fiberglass, silica, or ceramic.
- The cover is typically made of materials like fiberglass, ceramic fiber cloth or silicone-coated fabrics.
- Oven Doors: Tadpole gaskets seal oven doors, preventing heat leakage.
- Stove Doors: Used in wood, gas, and coal stoves to maintain proper insulation.
- Boilers and Furnaces: Provide thermal protection in industrial settings.
- Industrial Ovens and Dryers: Used for sealing and insulation.
- Fiberglass Tadpole Gaskets:
- Made from woven fiberglass.
- Suitable for temperatures up to 1000°F (540°C).
- Ceramic Fiber Tadpole Gaskets:
- Wide range of chemical resistance
- Durable and has higher tensile strength.
- Withstands temperatures up to 1832°F (1000°C).
- Tadpole gaskets can be customized based on specific design requirements.
- They come in various widths, thicknesses, and materials.