Metal Bellows Technical Overview

Even if you are a professional information research on metal bellows and technical solutions for the installation of industrial processes, can sometimes be useful (even the professional) to get an overview of the product, what it can do, and what situations has been developed for.

This guide will give you some general guidelines, and hopefully answer some of the questions you have. Of course, it is only a guide for detailed answers to specific questions you have about projects they may have in mind, please contact an expert in the field.

What does a metal bellows actually do?

A metal bellows is the term for an attachment on piping typically designed to absorb and mitigate the effects of directional change and to minimize any problems arising from this, such as clogging, pressure points at the curve, or the expansion of coupling.

It is a development of the idea of ​​expansion of facilities used as common ground to deal with binary expansion and contraction of metal. The central concept to keep in mind that when it is subjected to strength, heat or pressure, the metal bellows allows the expansion joint to bend rather than break.

Why metal?

Metal expansion joints are, in short, stronger than the alternatives (plastic, ceramic, etc.). They are also easier to model (although bellows are relatively intensive to create).

They are also better able to cope with extreme conditions of temperature, as they themselves can expand and contract without suffering any damage that the weather would be hard plastic. There are available versions rubber, but their use is strictly limited, and in all situations involving heat, for example, they are impractical.

Heat-tolerant and bellows expansion joints can be made from a variety of metal alloys, such as steel, titanium, and many others according to the specifications of the job in hand. Often, one measure of alloy can be designed to meet the requirements of a job.

What are specific applications for this technology?

The purpose for the central metal bellows is in fluid management. This, however, is used in many things. The solutions for the expansion joints were used in the industries and technologies such as altitude sensors, pipes for cooling industrial, petrochemical, applications involving steam, the nuclear industry, medical technology, waste management, and some engines of motor vehicles and pumping systems.

What kind of tolerance can be built into it?

A metal bellows can be designed to handle a wide variety of different stresses and pressures. The three main types of movement are called lateral, axial and angular.

It is a lateral movement of the two ends of the joint in which said ends are parallel to each other. Is both the axial elongation or flattening of the expansion joint along its length. The angular movement around the joint is simply the curvature along its axis. Currently, expansion joints can be designed to cope with any of these three types of specific stress.

The type of motion that can not deal with, however, is torsion, ie twist along the length of the piece. It is best to avoid keeping the joint fixed in position by external attacks, and being careful when attaching it to fix first.

How much heat can resist a bellows?

This varies greatly depending on a variety of factors, the alloy choice, anti-corrosive if any are added, the design of the bellows, and if he was acquitted or form. There are some practical solutions and physical limits, but as long as the heat is expected, joint solutions can usually be found .......