Plumbing and plumbers - some basics

e pipe after a few years of use the shower. Then usually enough Pour the trailing popular mole that unblocking the pipe and make the water will again be rapidly flowed for several weeks. After a few weeks, usually you will need to

Dodane: 09-08-2016 13:50
Plumbing and plumbers - some basics plumber Chelsea

Expert Pip Cleaning

Each of us sometimes have to struggle with the problem of not flowing water in the shower. The reason for this sometimes hair and suds that has accumulated inside the pipe after a few years of use the shower. Then usually enough Pour the trailing popular mole that unblocking the pipe and make the water will again be rapidly flowed for several weeks. After a few weeks, usually you will need to again use the granules to unblock the pipe. It happens that causes water problems in the shower are serious and can counteract them only professional, which is a plumber. He will use major chemicals and various methods for unblocking pipes. It may even be that you will need to replace old pipes draining water from the shower.


Tools for a plumber

Plumbing equipment includes devices often hidden behind walls or in utility spaces which are not seen by the general public. It includes water meters, pumps, expansion tanks, backflow preventers, water filters, UV sterilization lights, water softeners, water heaters, heat exchangers, gauges, and control systems.

Specialized plumbing tools include pipe wrenches, flaring pliers, pipe vise, pipe bending machine, pipe cutter, dies and joining tools such as soldering torches and crimp tools. New tools have been developed to help plumbers fix problems more efficiently. For example, plumbers use video cameras for inspections of hidden leaks or problems, they use hydro jets, and high pressure hydraulic pumps connected to steel cables for trench-less sewer line replacement.

Flooding from excessive rain or clogged sewers may require specialized equipment, such as a heavy duty pumper truck designed to vacuum raw sewage

Źródło: https://en.wikipedia.org/wiki/Plumbing#Equipment_and_tools


Gaskets - what are they?

Gaskets are mechanical seals, usually formed like a ring and used for sealing of flange joints. In general, gaskets should not be reused. Various types of gaskets are available depending upon their construction, materials, and features. The following are the type of gaskets commonly used:

Non-Metallic Gaskets (ASME B 16.21)
Spiral-Wound Gaskets (ASME B 16.20)
Ring Joint Gaskets (ASME B 16.20)

Non-Metallic Gaskets are used with flat face or raised face flanges. Spiral-Wound Gaskets are used with raised face flanges. They are available with an inner ring and outer ring, which is also known as the cantering ring. Ring Joint Gaskets are used with Ring Type Joint (RTJ) flanges. They are available in octagonal or oval cross sections.

A very high surface stress is developed between an RTJ gasket and the flange groove when RTJ is bolted up in a flange. This leads to plastic deformation of the gasket. Thus, the hardness of the gasket is kept less than the hardness of the groove to achieve coining i.e. bringing two metal surfaces of different hardness so tightly together that the softer surface deforms to match harder surface exactly in shape and finish. Hence RTJ gaskets are not recommended for reuse.

Źródło: https://en.wikipedia.org/wiki/Piping_and_plumbing_fitting



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