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Big plastic conduit online shopping

Oct
31

Looking to buy the best flexible metal conduit? Here are some advices and extra details helping you to make the best choice.

As our experience, there are several factors you need to take into consideration. Be sure to look at all available wires and cables when determining what conduit is best for your application. There are two kinds of flexible conduit, plastic flexible conduit and flexible metal conduit. Be sure to use the correct flexible conduit for job at hand. The flexible conduit fill is the maximum amount of space that the conductors running through the conduit can occupy. This would be your most important factor in determining the conduit to choose for a job.

Thin-wall conduit is sold in ten-foot lengths in either one-half inch or three-quarter inch (outside) diameter. The one-half inch conduit can contain four No. 14 wires or three No. 12 wires. Three-quarter inch conduit accommodates four No. 10 or five No. 12 wires. These wire capacities are for individual wires, not pairs. The wires used are the same as the individual conductors found in steel armor cable and plastic sheathed cable. Wires in conduit must follow standard coding. In a two-wire electrical circuit you need one black wire, one white wire, and one ground wire. See more info at Corrugated Conduit.

Each type of conduit has its own fittings (which connect lengths of conduit together) and connectors (which join conduit to boxes). Fittings include straight couplings and various elbows and tees, much like plumbing fittings, for extending or changing the direction of the conduit run. Some fittings have removable plates or covers that provide access to the conduit interior to facilitate pulling the wires; when installed, these are often referred to as “pull points.”

The usage of Flexible Cable Conduit is a practical process to be certain the electric wires installed in the home or office receive proper protection. The flexible kind of conduit will be the easiest to use in comparison with alternatives like rigid plastic or metal. The flexible conduit has the down-side of not being so strong and gives less protection. But, for the do-it-yourself enthusiast working in the home, the flexible material is usually favored due to its simplicity.

Intermediate metal conduit, or IMC, is a thinner, lighter-weight version of rigid metal conduit and is approved for use in all of the same applications as RMC. Because IMC is lighter and easier to work with than RMC, it is more common in new construction. Another example of a rigid electrical conduit is EMT (electrical metal tubing), which is most commonly made of galvanized steel but can also be aluminum. EMT is also called “thin-wall” conduit because it is thin and lightweight, especially compared to RMC. EMT is rigid but can be bent with a simple tool called a conduit bender.

CorrugatedConduit.com is a leading supplier of flexible conduit located in Kowloon, China. We have 15 years cooperating qualified manufacturer in mainland. Because of our good quality control management and large volume we are able to sell you the best flexible conduit at competitive prices. Source: https://corrugatedconduit.com/.

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Gas bump online shopping UK

Sep
26

Subject of the day is : Calibration gas cylinder online provider UK. And for hobby welders and small businesses without the space to spare for a standard-sized cylinder, there’s even the choice of a more practically sized lightweight 2-litre Argoshield Light that takes up less space at home or in a van. Argoshield Universal contains the same amount of oxygen as Argoshield Light but slightly less argon and more CO2. It produces smooth, flat welds with fewer weld defects and with its low spatter performance reduces the need for rework. It’s best used when productivity and low levels of distortion are important – such as semi-automatic, automatic and robotic applications in the automotive industry.

Low cost, high quality: Argon is widely used because, like CO2, it is low cost. It is odourless, colourless, and known for not reacting to high levels of elements like oxygen or water. So why use it over CO2? As we mentioned, CO2 yields imperfect results, as it leaves openings for oxygen to compromise the weld. Argon, on the other hand, is much more stable and controllable. It keeps the molten weld from getting damaged, becoming brittle and breaking, and can be used with other gases such as helium to enhance the quality. The perfect choice would be a mix of argon and something else. Argon would always be the gas with the largest quantity though. Read extra details at Calibration gas suppliers UK.

Helium / argon mixtures are sometimes used for their higher heat characteristics. Gas mixtures, usually 25% helium and 75% argon are sometimes used and can help to increase travel speeds when AC – gas tungsten arc welding. Mixtures of more than 25% helium for AC – gas tungsten arc welding are used, but not often, as they can tend to produce instability, under certain circumstances, in the AC arc. Pure helium or high percentages of helium (He-90%, Ar-10%) shielding gas are used primarily for gas tungsten arc machine welding with direct current electrode negative (DCEN). Often designed as seam welders, the combination of GTAW – DCEN and the high heat input from the gas used can provide fast welding speeds and outstanding penetration. This configuration is sometimes used to produce full penetration butt welds, welded from one side only, onto temporary baking with no vee-groove preparation, just a square edged plate.

Ozone is only generated during arcing and decays quickly on arc extinction. Therefore, exposure to ozone is very dependent on the duty cycle employed. Although research in the laboratory has shown that ozone concentrations at points around a welding arc can exceed 0.2ppm, it is uncommon to find that average exposure to ozone, in a real work situation, exceeds the ozone exposure limit. An exception to this statement is exposure to ozone during MIG welding with an aluminium/silicon consumable.

Nitrogen can be used for duplex steels to avoid nitrogen loss in the weld metal. The purity of the gas used for root protection should be at least 99.995%. When gas purging is impractical, root flux can be an alternative. In submerged-arc welding (SAW) and electro-slag welding (ESW), the shield is achieved by a welding flux, completely covering the consumable, the arc and the molten pool. The flux also stabilizes the electric arc. The flux is fused by the heat of the process, creating a molten slag cover that effectively shields the weld pool from the surrounding atmosphere.

Zero calibration gas is a gas that does not contain flammable gas. You will need this gas in the calibration of analyser’s or gas detectors. Span calibration gases are a more advanced type of calibration gas. They contain a more precise total make up of detectable gases. Source: https://www.weldingsuppliesdirect.co.uk/industrial-gas/specialist-gases.html.

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5 Plasma cutters tips

Aug
05

Top welding tricks: how to become a better welder and how to pick the best welding equipment. 2% thoriated tungsten electrodes are mildly radioactive: Word on the street is that 2% thoriated tungsten electrodes are mildly radioactive. They say deer meat is too. No one gets out alive. Good news though…and it’s not just that I saved a bundle on my car insurance by switching to GEICO.. I have learned through testing a bunch of arc starts and by welding on all different metals that 2% lanthanated electrodes are about as good as the 2% thoriated. I even like the lanthanated a little better for some applications. So if you are scared of thoriated tungsten but you are even more scared of crappy electrodes that don’t work as well, use 2% lanthanated…they are colored blue. One word to the wise here. The blue ones are not brittle like 2% thoriated electrodes. And they splinter if you try to break them or snip with dykes. You have to cut or score with a grinder in order to cut to size or cut off a bib blob of metal you don’t want to sand off.

Argon is not the only shielding gas used for TIG welding: Shielding gasses for TIG welding Argon is not the only shielding gas used for TIG welding…just the most common and versatile. Argon will usually get the job done. But there are times when some helium mixed with argon makes a world of difference. Especially if you are using a small inverter TIG welder that is limited to around 200 amps. 100% Argon – is the most often used and coolest gas ..the best all around gas. 75% Argon/25% Helium – even 25% helium will make a big difference when welding aluminum that is thicker than .063″. Anything under .063″ thick and helium is unnecessary. 50/50 argon/helium—awesome for thick aluminum and magnesium 75% Helium/25% Argon – Awesome for thick aluminum castings… puddles really quick and welds cleaner than 100% argon. Also good for welding bronze and pure copper on DCEN.

Should the electrode accidentally touch the metal or the filler, the electrode often becomes contaminated — meaning some of the rod or base metal gets stuck to it. Once the electrode is contaminated, the arc cone becomes misshapen, making it difficult or impossible to aim the arc with precision, and the boiling contaminants on the electrode may spit out impurities, further compounding your problems. The angle between the torch and the base metal is important, too. You need to angle the torch slightly to see the puddle, and provide access for the filler rod. A 15-degree angle is a good starting place, although some welders prefer a bit more or less. If you hold the torch at 45 degrees (or more), you’re losing a lot of the coverage from shielding gas, and the flatter angle will make the puddle longer than it is wide. For the record, the torch is tipped with the electrode pointing forward, in the direction of motion.

Searching for the best Plasma Cutters? We recommend Welding Supplies Direct & Associate company TWS Direct Ltd is an online distributor of a wide range of welding supplies, welding equipment and welding machines. We supply Plasma Cutters, MIG, TIG, ARC Welding Machines and support consumables to the UK, Ireland and Europe.

Contact tips can have a significant impact on MIG welding performance since this consumable is responsible for transferring the welding current to the wire as it passes through the bore, creating the arc. The position of the contact tip within the nozzle, referred to as the contact tip recess, is just as important. The correct contact recess position can reduce excessive spatter, porosity, insufficient penetration, and burn-through or warping on thinner materials. While the ideal contact tip recess position varies according to the application, a general rule of thumb is that as the current increases, the recess should also increase.

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