So This Is Christmas

Merry Christmas is such an infectious feeling I like to feel that way all year around.

So if you are visiting just before Christmas, just after Christmas or even here on Christmas day I am sure you will find something of interest for you and in the spirit of Christmas.

It may be said that Christmas is no longer a celebration but this must be spoken by people that have never had trouble closing their eyes on Christmas Eve in an expectation of what maybe left for them on the carpet under the tree.

I continue to look forward to the surprise on my Grandchild's faces to this day at Christmas events.

Merry Christmas - Merry Christmas - Merry Christmas

Monday, November 17, 2008

The Advantages of Dry Underwater Welding Exposed

By Sammy L Droste

Dry underwater welding technologies have the ability to improve conventional offshore oil and gas facility maintenance, as well as maintenance in any other facility. Regular underwater welding technologies traditionally provide solutions that are only temporary.

This means that welds made using ordinary technology have to be reworked later, which can require dry docking of ships or other complicated techniques. This can disrupt operations significantly, as well as being costly. Fortunately, there are new underwater welding systems, like Neptune's low cost NEPSYS method, that can create a permanent, high quality weld.

This welding method uses a compact housing to enclose and fully isolate the area affected by heat from its surrounding environment. You should note that this housing needs only to be large enough for the electrodes to achieve complete runout.

When a complex structure is being welded, it might be appropriate to customize it to surround the entire area of the weld. However, the housing does not need to enclose all of the welding equipment or the diver who's doing the welding. That makes this type of welding cheaper than if everything needed to be enclosed.

Use of a habitat means that ideal welding conditions can be maintained. Delivering a heated inert gas into the habitat at an appropriate pressure makes the environment around the weld's immediate area a lot more controllable. It eliminates a lot of the problems we usually associate with underwater welding.

Since the gas is delivered at a higher pressure than that of the water around the enclosure, it allows to welder to be sure that the area around the repair stays dry. This permits heat treatment both before and after welding.

The conditions around the heat affected zone are enhanced, since the habitat eliminates hydrogen from the weld vicinity and prevents the sea water around it from quenching the weld. Even distribution of heat is thus much easier.

Providing an ideal environment for dry underwater welding creates the possibility of a much higher quality weld, more consistently than can be achieved in wet underwater welding. This process creates a permanent weld that's strong and stable, using only portable equipment. That means that repairs can be made without a serious impact on operations.

Risks of ordinary underwater welding include electric shock, decompression sickness, and buildup of pockets of hydrogen and oxygen. Dry welding prevents the creation of these potentially explosive pockets of gas. However, it's still important to take precautions against decompression sickness and to maintain proper insulation on welding equipment.

Dry underwater welding is significantly less expensive than traditional welding methods, and very portable, making it suitable for emergency repair situations where you need a fast response time. that means there are plenty of benefits to this new dry underwater welding technology, and it has significant applications in commercial environments.

If you need a fast solution for repairs underwater that's comparatively less expensive, you may want to look into a portable dry underwater welding system. These systems compare well to existing technologies, but they're faster and easier to use, as well as being much more portable. Think about this kind of welding for your repair solutions.

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