Pipe fittings from http://etna-trade.com/ today, a fairly popular type of product that is in great demand among buyers who are engaged in repair, construction and not only. However, in order for pipeline fittings to really fit you, and you can use them in construction and repair, you should be aware that, according to their classification, such fittings are divided into several types. And depending on its type, its purpose changes.
So, pipeline valves, depending on their basic area of use, can be general-purpose and used in various industries - they are used to equip water pipelines, steam pipelines, gas pipelines, and it can also be industrial, designed for special working conditions - cryogenic, energy, fountain, with heating, for bulk and abrasive materials, special, marine and sanitary engineering. It is very important to correctly determine the scope of use of fittings in order to choose the product you really need.
Depending on its functional purpose and type, it can be shut-off, regulating, distribution-mixing, safety, protective and phase-separating. After you have decided on the purpose of the reinforcement, it is very important to choose the right type of it.
By type, the fittings can be made as a valve or as a gate valve, as a tap or a gate.
Further, the choice of pipeline valves should be influenced by the indicators of its conditional pressure of the working medium - they are vacuum low, medium, high, and ultra-high. Do not forget about the temperature conditions for using fittings - cryogenic is suitable for the lowest possible temperatures, for refrigeration equipment you can use fittings with a range of -150 degrees and -70 degrees, for low, medium and high, as well as heat-resistant temperature conditions - their own indicators.
You also need to think in advance how you will connect the fittings to the pipeline, and choose the option with the appropriate connection. It can be a sleeve, pinned, welded, flanged or nipple version of the connection at the end of the valve.
