Inside Flange Accordion Bellows and Protective Boots

Last Updated: April 1, 2025

Description

Inside Flange Accordion Bellows and Protective Boots are flexible, convoluted components designed to protect mechanical parts such as screws, shafts, and slide ways from contaminants like liquids, chips, dirt, and debris. These protective covers are made from materials such as laminated polyester, treated synthetic fabric, PVC, aluminized glass fiber, rubber, foil ply rubber, and rubberized fabric. They are capable of withstanding temperature extremes and are resistant to oils, chemicals, and sparks.

Working Principle

Accordion bellows operate by expanding and contracting in response to movement, effectively sealing and protecting the components they cover. The bellows' convoluted design allows for flexibility and movement while maintaining a barrier against contaminants. The flanged end sections, which can be directed inwards or outwards, provide secure mounting options, ensuring that the bellows remain in place during operation. This design is particularly useful in preventing debris from entering sensitive mechanical areas, thereby reducing the risk of damage and prolonging the lifespan of the equipment.

Applications

Accordion bellows and protective boots are used in a variety of applications. For instance, they serve as expansion joints to accommodate movement due to service load, shock, or thermal cycles. They are also employed to shield die set posts and are used in scissors, lift, or automatic guided vehicle (AGV) applications. Additionally, they protect screws by preventing deposits from entering screw jacks, which could otherwise lead to equipment damage or injury.

Advantages over other Accordion Bellows and Protective Boots

Inside Flange Accordion Bellows offer specific advantages such as enhanced protection due to their inward or outward flange design, which provides a more secure fit and better sealing capabilities. This design helps in maintaining the integrity of the protective barrier, especially in environments with high levels of contaminants or where mechanical movement is frequent.

Limitations

One limitation of accordion bellows is that they may require additional support, such as stiffeners or support rings, to prevent sagging or over-extension, especially in long or horizontally mounted applications. This can add complexity to the installation and maintenance processes.

Considerations

When selecting Inside Flange Accordion Bellows and Protective Boots, considerations should include initial costs, which can vary based on material and design complexity. Operating expenses may be influenced by the need for additional support structures or frequent maintenance in high-wear environments. Durability is generally high due to the robust materials used, but the specific application environment can affect longevity. Replacement and maintenance costs should be factored in, particularly in applications with high levels of contaminants or mechanical stress, as these factors can accelerate wear and necessitate more frequent replacements.

7 Results
Folded Bellows
from Dynatect Manufacturing, Inc.

Folded bellows are often used in applications requiring the cover to be air and light tight, such as laser bellows. These covers can also be used in applications requiring bellows to be able to handle internal or external pressure and motion. Folded covers are constructed out of elastomer or... [See More]

  • End Configuration: Inside Flange
  • Shape: Square / Rectangular (Closed); Tapered
  • Application: Camera Bellows; Way Cover
Gortiflex® Molded Bellows
from Dynatect Manufacturing, Inc.

Gortiflex molded bellows are constructed from a tube of pure elastomer or elastomer-coated fabric, formed into a completely sealed cover. Internal and external supports can be provided for use at pressures up to 15 psi, depending on size. Gortiflex is available as any enclosed bellow form (e.g. [See More]

  • End Configuration: Collar; Inside Flange
  • Shape: Round; Tapered (optional feature)
  • Application: Rod/Screw Cover; Compressor And Engine Intake And Exhaust Manifold Connections; Cylinder Protection
Heat Sealed Bellows
from Dynatect Manufacturing, Inc.

Dynatect heat-sealed way covers are manufactured from a single sheet of thermoplastic-coated fabric which is pleated, and then thermic welded to a PVC stiffener at every fold. Heat-sealed bellows are free from stitch holes, seams or breaks. Heat-sealed bellows are available in any flat sided... [See More]

  • End Configuration: Inside Flange
  • Shape: Round
  • Application: Rod/Screw Cover; Way Cover; Cylinder Protection
  • Features: Stiffeners
Sewn Bellows
from Dynatect Manufacturing, Inc.

Dynatect (formerly A &A Manufacturing) has manufactured Gortite sewn bellows for over 65 years using the same proven methods. Paying special attention to details allows us to optimize each cover for the best performance. Accordian-style sewn bellows are constructed with a wide variety of... [See More]

  • End Configuration: Collar; Inside Flange
  • Shape: Round; Square / Rectangular (Open)
  • Application: Rod/Screw Cover; Scissors / Lift / AGV; Way Cover; Cylinder Protection
Sewn-folded Bellows
from Dynatect Manufacturing, Inc.

Manufactured from a single sheet of thermoplastic- or elastomer-coated fabric which is pleated, and then sewn to a PVC stiffener at every fold. Available in any flat sided, non-circular form (e.g. rectangular, strip-type, way cover). Features & Benefits: Cover shape is maintained throughout... [See More]

  • End Configuration: Inside Flange
  • Shape: Square / Rectangular (Closed)
  • Application: Way Cover
  • Features: Stiffeners
Thermiseal Bellows
from Dynatect Manufacturing, Inc.

Dynatect Thermiseal sealed bellows are made from polyurethane film bonded together by a thermic weld process. When additional strength is required, coated nylon-reinforced material can be used. Thermiseal covers are lightweight and completely sealed. Thermiseal covers are available as boots or way... [See More]

  • End Configuration: Inside Flange
  • Shape: Round; Square / Rectangular (Closed)
  • Application: Rod/Screw Cover; Way Cover; Cylinder Protection
Vulca-seal® Bellows
from Dynatect Manufacturing, Inc.

Vulca-Seal covers are a proprietary process developed by Dynatect (formerly A &A) under the Gortite brand of protective bellows. Vulca-Seal bellows are made from separate sections of material and joined by vulcanizing, resulting in a completely sealed cover. No stitch holes, seams or breaks... [See More]

  • End Configuration: Collar; Inside Flange
  • Shape: Square / Rectangular (Open)
  • Application: Rod/Screw Cover; Way Cover; Cylinder Protection