Fabric Bellow Manufacturers :
We are Fabric Bellow Manufacturers for heavy duty Pipe lines / Duct lines. Our manufacturing capacity :
- Rectangular shape : I.D. up to 5000 X 4000 mm.
- Square shape : I.D. up to 4000 X 4000 mm.
- Circular shape : I.D. up to 4000 mm.
- Working Temperature : Up to 1200 Degree C
- Working Pressure : Up to 2000 mm. Wc
Profile used :
We are Fabric Bellow manufacturers with 7 types of different profiles as per user’s demand, like :
- Round (Cylindrical)
- Rectangular (Box-Type)
- C-Type (U-shaped)
- Z-Type (Angular Folded)
- Conical, Telescope-Type
- Oval or Elliptical
Optional accessories :
We are Fabric Bellow manufacturers & suppliers with various optional accessories like :
- Counter Flange
- Matching Flange
- Companion Flange
- Gaskets,
- Fasteners
Where it’s use :
We are Fabric Bellow manufacturers for the following sectors :
- Cement Plants
- Petro-Chemical Refinery
- Steel Plant
- Boiler Plant
- Thermal Power Plant
- HVAC system
- Environmental system
- Chimney
- Water Pipeline
- Fertilizer unit
Manufacturing process :
The Fabric Bellow manufacturing process involves several key steps, know how a Fabric Bellow is manufactured step by step :
1. Material selection : Typically, the material used in Fabric Bellow manufacturing is a high-performance fabric such as PVC-coated polyester, rubber-coated fabric, or nylon. The selection of the fabric depends on factors like temperature resistance, chemical exposure, flexibility and durability. Reinforcement – Often, Fabric Bellows are reinforced with materials like steel wire, fiberglass, or kevlar to increase strength, resistance to wear, and maintain the structure of the bellow.
2. Cutting the Fabric : The second step in Fabric Bellow manufacturing is the fabric to cut into the required pattern or shape. This is usually done using laser cutting or die cutting, depending on the complexity of the design. For Bellows, the fabric is typically cut into circular or conical shapes that will form the pleats.
3. Pleating process : Pleating is a critical part of the Fabric Bellow manufacturing process, which ensures that the bellow has the flexibility to expand and contract. The fabric is folded in specific, evenly spaced pleats. This process is usually done mechanically or by hand, depending on the complexity and size of the bellows. Each pleat is carefully arranged and secured to ensure the bellow can stretch without distortion.
4. Joining the Fabric : Sewing – In Fabric Bellow manufacturing the pleated fabric is stitched together using specialized sewing machines that can handle multiple layers and heavy-duty fabrics. Welding – For fabrics that are heat-sensitive or have coatings (like PVC), high-frequency welding or ultrasonic welding may be used to bond the edges without stitching. Edge reinforcement – The edges of the fabric may be reinforced with additional materials, such as metal rings or rubber strips, to prevent fraying and enhance the durability of the bellows.
5. Forming the Bellow shape : The fabric is then shaped into its final Fabric Bellow manufacturing configuration. The pleats are either stitched or welded together in a manner that ensures they can expand and contract smoothly. In some designs, a metallic ring or coil spring is incorporated to provide support and prevent overstretching or buckling during operation.
6. Adding end fittings (if required) : If the Fabric Bellow need to be attached to equipment or machinery, end fittings like flanges, clamps, or brackets may be added. These end fittings are often welded or mechanically attached to the fabric bellows to ensure a secure and durable connection in Fabric Bellow manufacturing.
7. Quality control and testing : The finished Fabric Bellow manufacturing are inspected for defects like fabric tears, incorrect pleating, or inadequate bonding at the seams. Various tests are performed to ensure the bellows will perform as required, such as : Pressure testing, Flexibility testing, Leakage tests etc.
8. Finishing touches : If required, it may be coated after Fabric Bellow manufacturing with additional protective layers (e.g. waterproof coating, flame retardant treatment, or chemical-resistant coating) depending on the intended environment.
Fabric Bellow Cloth :
There are several temperature resistant Fabric cloths are used in Fabric Bellow. All details are stated here in below :
Cotton Cloth :
- Properties : Cotton Fabric Bellow Cloth is made with natural fiber that is soft, flexible and cost-effective Fabric Bellow Cloth.
- Use : Cotton Fabric Bellow Cloth is often used for low-pressure applications where durability is not the top priority. It’s more common in simpler machinery or older equipment.
- Advantages : Easily processed, breathable, and relatively inexpensive.
- Disadvantages : Less resistant to abrasion and chemicals compared to synthetic fabrics.
Polyester Cloth :
- Properties : Polyester Fabric Bellow Cloth is made with synthetic fabric that offers good strength, durability and abrasion resistance. It has moderate heat resistance and is commonly used in bellows for industrial environments.
- Use : Polyester Fabric Bellow Cloth is commonly used in bellows for industrial equipment, particularly where the bellow needs to handle moderate temperature and pressure variations.
- Advantages : Lightweight, durable, and resistant to most chemicals.
- Disadvantages : Limited heat resistance compared to specialized materials.
Nylon Cloth :
- Properties : Nylon Fabric Bellow Cloth is another strong synthetic fabric known for it’s toughness, abrasion resistance, and ability to resist wear.
- Use : Nylon Fabric Bellow Cloth is used in environments that experience significant mechanical stress, like machine tools or conveyors.
- Advantages : Strong, flexible, and resistant to abrasion and tears.
- Disadvantages : Prone to degradation when exposed to UV light, and may absorb moisture, affecting performance in some cases.
Fiberglass Cloth :
- Properties : Fiberglass Fabric Bellow Cloth is a strong, heat-resistant material that can be woven into fabrics for use in bellows. It’s known for its excellent temperature resistance and can withstand both high and low temperatures.
- Use : Fiberglass Fabric Bellow Cloth is common in environments where extreme temperatures are present (e.g., in exhaust systems or industrial ovens).
- Advantages : High temperature and fire resistance.
- Disadvantages : Can be stiff, less flexible than other fabrics, and can be uncomfortable to handle due to sharp fibers.
Silicone coated Cloth :
- Properties : Fabric Bellow Cloth like fiberglass or polyester are often coated with silicone to provide increased heat resistance and flexibility. The silicone coating adds a layer of protection against chemicals and extreme temperatures.
- Use : Silicon coated Fabric Bellow Cloth is widely used in bellows for high-temperature applications, such as in ovens, exhaust ducts, or other heat-sensitive environments.
- Advantages : High heat resistance, flexible, and resistant to chemicals and abrasions.
- Disadvantages : More expensive than basic polyester or cotton fabrics.
Neoprene Cloth :
- Properties : Neoprene Fabric Bellow Cloth is a type of synthetic rubber that is often used in bellows that require flexibility and resistance to chemicals, oils, and solvents. It also provides good protection against water and weather.
- Use : Neoprene Fabric Bellow Cloth is common in environments with chemical exposure, such as in the automotive or chemical industries.
- Advantages : Highly resistant to oils, chemicals, and UV exposure.
- Disadvantages : Limited heat resistance compared to silicone or fiberglass.
PTFE Cloth :
- Properties : PTFE Fabric Bellow Cloth is known for its chemical resistance, non-stick properties, and ability to withstand high temperatures.
- Use : PTFE Fabric Bellow Cloth is used in very demanding environments where the bellows are exposed to aggressive chemicals or extreme heat.
- Advantages : Extremely durable, resistant to chemicals and high temperatures, non-stick.
- Disadvantages : Expensive and may not be as flexible as other materials.
