
Bespoke bellows
Providing vacuum integrity for precision processing
In many applications, design life requirements typically range from 500 to in excess of 1,000,000 cycles, often involving lateral movements or tilt, and operating under pressure or vacuum conditions. These environments may also require the bellows to withstand temperature variations, exposure to aggressive chemical or gas environments, or fit in compact, space-critical designs.
Bespoke welded metal bellows offer a tailored solution to meet these demanding specifications. By selecting the appropriate parameters, such as diaphragm diameter, diaphragm profile, bellows pitch, material type, thickness, number of convolutions, and heat treatment, we can create a custom bellow that fully addresses the unique requirements of your application. This level of customisation ensures optimal performance, reliability, and longevity, even in the most challenging of environments.
Materials:
AM350 or 316L, Monel, Hastelloy, Inconel, Titanium
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Benefits of bespoke solutions
These custom-engineered edge welded metal bellows are designed to your exact requirements ensuring your systems operate at peak efficiency even in the most demanding environments.
Engineered to meet the specific pressure, temperature and space requirements of your system, ensuring a fit that maximises performance.
Tailoring the design to your requirements ensures that the bellows are able to withstand the harsh environments and conditions you are addressing, providing longer-term performance with reduced maintenance.
By specifying the exact diaphragm size, pitch, material and thickness, bespoke bellows provide precise control over pressure compensation and flexibility, helping to maintain system integrity.
Bespoke solutions deliver reliable, leak-tight sealing, regardless of whether you’re working with high pressure systems, vacuum environments, or systems exposed to corrosive chemicals.
Customisation options
We offer a range of options for you to choose from when customising your edge welded metal bellows. Our team of experts will work with you to specify the following parameters, so that we can ensure every bespoke bellow assembly is designed with optimal functionality in mind and fully aligned with your project’s requirements.

Custom interfaces
Offering tailored interface solutions to ensure seamless integration with your systems, including bespoke connection designs, precision alignment, and compatibility with existing equipment.

Material selection
Choose from standard or exotic materials, such as AM350 or 316L, Inconel, Monel, Hastelloy, and Titanium, based on the temperature resistance, tensile strength, and corrosion resistance required for your application.

Diaphragm diameter and profile
We offer a choice of diameters and profiles to match the specific axial movement, pressures and dynamic loads of your system.

Pitch and number of convolutions
Adjust the pitch and number of convolutions to control flexibility and the pressure compensation.

Thickness and ply
Specify the thickness of the metal and the ply number for greater strength and resistance to extreme pressure and temperature.

Heat treatment
Using heat-treated materials in edge-welded bellows enhances strength and reliability, making them better suited for specific applications.

Special features
Our special features include serialisation, bespoke acceptance testing, in-house system assembly, bake-out and RGA, as well as custom packaging and shipment options tailored to your requirements.

Design and manufacturing process
We believe that refining your bellows application should never be a price barrier. One of the key advantages of working with EWB is the ability to change materials and adjust thickness at any point during the design process, without the need for costly retooling.
This flexibility allows for cost-effective adjustments while ensuring that your bellows can be optimised as your application evolves. All without the addition of unnecessary expenses.
