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Saved by uncleflo on February 9th, 2022.
Suitable for new builds, home extensions and retrofitting, the Showersave QB1-21 and Showersave QB1-21C use the heat from the water flowing out of the shower to warm up the cold water going in. This simple heat exchange mechanism means that you spend less money on electricity or gas heating up the water to your shower. Can also be installed under "shower over bath" plumbing situations. WRAS approved. The hot and cold waters are kept separate by the double walled copper pipe design. An efficiency of +60% depending on flow rate. The QB1-21 superseds the old RECOH-VERT RV3 system. The unit is exactly the same size, however the energy efficiency has been improved. The Cyclone Top Fitting increases the efficiency of the Showersave by making the hot waste shower water swirl around and down through the central copper pipe of the Showersave. This increases the amount of time the hot water is in contact with copper pipe to maximise heat transfer. Greater heat recovery is achieved with the Cyclone top.
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Saved by uncleflo on December 19th, 2019.
When a metal is exposed to underwater or wet environments, marine grade metals may be necessary to prevent the material from failing under the conditions. To be considered a marine grade, the material must be able to resist corrosive effects that are common in a water environment. To achieve this, special alloying elements are added to these grades in order to defend against corrosion. Marine grades can be found in most of the metal types, which include aluminium, stainless steel, brass, bronze, copper and carbon steel. Most carbon steel is not well-suited for marine environments, however, there are several marine grade carbon steels available. AH36, DH36, and EH36 are all examples of commonly used marine grade carbon steels approved by the American Bureau of Shipping. These grades will have slightly more alloying elements such as manganese and chromium compared to their ASTM grade counterparts, which helps achieve higher strength and more corrosion resistance. There are also marine grades of engineering steel as well. Grades MD, ME, MF, MG, and others can provide the strength that normal alloy steel is known for, and have also been approved by the American Bureau of Shipping for use in shipbuilding applications.
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Saved by uncleflo on August 13th, 2019.
For those who need a tighter bend radius we have designed the Useful-Tools hand operated mandrel tube bender. These machines will allow tubes to be bent with an impressive 2 times tube diameter bend radius with no rippling or cracking of the tube and the absolute minimum of distortion. We have 2 machines that all operate on the same principle, namely the pipe or tube to be bent is located between a formed mandrel and back plate with another formed internal mandrel (bullet) held at a carefully controlled position inside the tube. The tube is secured firmly to the main mandrel and when the mandrel is turned the tube is pulled over the internal mandrel as it wraps around the main mandrel. (This internal "Bullet" holds the tube open and helps reduce distortion to a minimum.)
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Saved by uncleflo on July 24th, 2019.
 Our antifouling paint test threw up some interesting results. At first glance the boards show a range of different results, but only when you investigate the product and why it performed how it did do you fully understand what has happened.
Firstly it shows that professional application paints seem to perform marginally better. The higher toxicity of the paint is deemed too risky for the public to handle, so perhaps that’s why it’s also more effective.
Rather more surprising is that, contrary to expectations, many of the paints performed better in the Mediterranean than in the UK, although as the variations in our UK results proved, that may not apply to other areas of the Med.
The muddy waters of the East Coast proved the most challenging with all the paints showing plenty of slime and the occasional patch of weed.
However, the big surprise for us was the relative success of the silicone paints in a static test that would usually have favoured soft or copolymer copper-based antifoulings.
When choosing a paint, it’s important to think about how much you’ll be using your boat, as some of the hard paints will perform so much better with regular usage, while if you only plan on pottering up a river occasionally, you might be better off by going for a soft self-eroding paint.
Armed with the results of this test, you should be able to make a more informed decision on what paint to use this season, even if you’re not bold enough to try the silicone alternative.
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Saved by uncleflo on February 20th, 2019.
ProtectaClear is a tough, durable clear protective coating that will keep metal looking freshly polished. Easy to apply. Self Leveling. Excellent adhesion and superior protection from salts, chlorines, rust, corrison and oxidation. Protect aluminum, anodized aluminum, alloys, silver, copper, brass, bronze, stainless steel and more. For metals that have not been polished with an acid polish or for new metal, ProtectaClear is also available by itself. Every order comes with an Applicator and Nitrile Gloves. ProtectaClear Kits also available with Polishes.
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