Fabric Expansion Joint

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Fabric Expansion Joint

Types of Fabric Expansion Joints

Parts of Fabric Expansion Joint System

Designs For A Variety Of Applications

Design of Frame Refer to Ducting

Design Concept based on surface Energy balanced

Fabric Expansion Joint Movement

Properties Of Elastomers and Fluoroplastic

Construction of Keyser Fabric Expansion Joint

Fabric Expansion Material Composition

Heat Sealer Equipment

Accessories


Construction of Keyser Fabric Expansion Joint

1. Reinforcement added in the flange area, protects and isolates the Expansion Joint in areas that are in contact with steel parts.

2. Materials such as stainless steel or Incoloy wire mesh are used for the construction of the Expansion Joint. This further reinforces the unit with increased stability.

3. Life span of the Expansion Joint is increased with the use of internal sleeves. This gives extra mechanical protection to the unit well as the insulation bolster.

4. Back flanges may be supplied together with the Expansion Joints. The specification is dependent on the type of Expansion Joint required and their working environment.

5. Bolts & nuts may be supplied together.

6. The insulation bag/bolster is installed in the space left between the Expansion Joint and the inner sleeves. It is formed by an external folder made of wire mesh or fabric material. The insulation bag protects the Expansion Joint from mechanical damage. The protection against high temperatures and reduction of noise levels are other advantages. The insulation bags are designed separately to suit different operating conditions.



Materials Used For Keyser Fabric Expansion Joints

The performance of Fabric Expansion Joints for systems is determined by the severity of the environment and by the selection of the materials for each component of the expansion joint. Fundamental requirements and temperature as well as chemical are important factors as well.

Fabrics are used for the reinforcement of elastomers and other coatings to yield the mechanical properties necessary to withstand the movements and pressures exerted. Insulation materials are used to reduce temperatures, optimize the performance and the life span of the elastomeric or coated material in the gas seal layer.Metal Flanges are used to connect the flexible element to the ductwork. Metal flow liners are used to protect the gas seal membrane and insulation layers of the flexible element from abrasive particles.

KEYSER Technologies work with reputable fabric manufacturers around the globe to produce the most reliable and high quality fabric expansion joints.

 

Flex Test For Corrosion Barriers

Flex Cycles To Failure For Thin Perfluoroplastic Products
In Accordance With International Standard ISO 7854-1984 (E):
Rubber-or plastics-coated fabrics Determination of resistance to damage by flexing (dynamic method).


Keyflex product

KEYFLEX Expansion Joints are designed and manufactured in accordance with the EJMA Standards and Requirements, which are recognized throughout the world. SINGLE Expansion Joint from size 50-200 above.

Engineering Division Product

Keyser has successfully widened its specialties into piping fabrication, pipe laying and machining field as the Welding & Machining Specialist with the Welding Procedure Specifications (WPS) acquired in accordance to the ASME Standards and DNV rules.