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Single SS Expansion BellowsSingle Tied SS Expansio...

Single SS Expansion BellowsSingle Tied SS Expansion Bellows

Feature	Single SS Expansion Bellows	Single Tied SS Expansion Bellows

Description

A single-layered stainless steel expansion joint without any tie rods.

A single-layered stainless steel expansion joint with tie rods attached for load support.

Design

 Consists of a flexible bellows element.

Includes flexible bellows and tie rods to control movement.

Movement Control

Allows axial movement (compression and extension).

Allows axial movement but also controls lateral and angular movements.

Support for Lateral Movement

Not designed to support lateral movement on its own.

Supports limited lateral movement with the help of tie rods.

Pressure Thrust Absorption

Absorbs pressure thrust, which may need additional anchors.

Tie rods absorb the pressure thrust, reducing the load on anchors.

Installation Requirements

Requires anchors and guides to control pressure thrust.

Fewer anchoring and guiding requirements due to tie rods managing pressure thrust.

Typical Applications

Used in pipelines where there is mainly axial movement.

Suitable for applications where axial, limited lateral, and angular movements are required.

Cost

Generally more economical than tied expansion bellows.

Slightly higher cost due to the inclusion of tie rods.

Space Requirements

Requires more space for installation compared to tied bellows.

Requires less space because tie rods help control movement.

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