Materials

We use a number of different materials and alloys, all tried and tested, and all suitable for the deployment in which they will be used.  We tend to stick to more traditional, time proven materials i.e. Aluminium, Stainless and Super Duplex Stainless Steel etc, and once assembled, our underwater housings/enclosures are fully tested and validated prior to shipping.  Our research and development dept. are; however, always looking for new and innovative materials and are currently having a huge success, using Ceramic for deep-water pressure vessels.  We recommend materials based on the depth/pressure rating that they will be exposed to, as well as the duration of deployment, corrosion potential and of course; cost. 
Aluminum
Aluminum

Aluminum is a lightweight, short-term deployment material that is fairly low cost and can work for many applications.

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Ceramic
Ceramic

There has been a lot of talk over the years about whether it is practical to use Ceramic for underwater enclosures and for a number of reasons it has not been done on a wide scale basis.                      

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Copper Beryllium
Copper Beryllium

Excellent long-life material, cheaper than titanium.

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Plastic
Plastic

PVC housings can be a very useful and cost efficient way of getting instrumentation underwater, and we often have these in stock for quick delivery.

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Stainless Steel
Stainless Steel

A corrosion resistant material with good strength and durability in the marine environment; acceptable for short to medium term deployment.

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Super Duplex St. Steel
Super Duplex St. Steel

Strong, corrosion resistant, acceptable for longer term

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Titanium
Titanium

Highest strength per weight metal

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