We use these capped piston rod bearing seals extensively. Trelleborg call this type of seal a “stepseal”, although lots of people produce their own versions. Why do we like them? They offer extended life, cope with fluids with poor lubricity and allow you to easily swap the elastomeric O ring that fits under them to [...]
Just like the stepped piston rod bearing seals, we use these capped piston seals extensively. Why? They offer extended life, cope with fluids with poor lubricity and allow you to easily swap the elastomeric O ring that fits under them to cope with a wide range of fluids and temperatures. A moulded seal rarely gives [...]
Why do we like U seals? If you don’t need to offer a wide range of fluids and temperature ranges using one size of groove, a U seal for a piston rod bearing can be a great choice. Pick polyurethane (PU) and you have a remarkably rugged seal. The temperature range of down to -30 [...]
For a generation who sat glued to the blockbuster “Towering Inferno”, the world has fallen in love with skyscrapers. The developing world is full of them and globally there are now over a thousand buildings with more than 40 floors. Dubai alone has over 170 buildings in excess of 150 metres high! Skyscrapers in Dubai [...]
Proof testing versus burst testing: what is the difference? It is important to decide what your objective is, as pressure or proof testing is not the same as burst testing. Pressure testing Pressure testing, proof testing or proof pressure testing: What should appear on my proof testing certificate? In truth, these could be considered different [...]
