Glossary, Page 19
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Pipeline
A pipeline is a means of transport consisting of tightly connected pipes. The pipeline is intended for the transport of liquids, gases, but also bulk material. However, it is possible to transport, for example, mail (pipeline mail). The pipeline must…
pipework
A pipework is a system of pipes that serves to transfer heat from burning fuel to a heat-carrying liquid, often water vapor. It is an important part of the boiler, which enables efficient combustion of fuel and heat exchange between the…
plasterboard
Drywall is a building material that consists of boards composed of a layer of plaster surrounded by paper. This material is very popular in the construction industry and is used for various purposes in the interior of…
plastic
Plastic (other names: plastic substance; less suitable: plastic material, artificial material) is a synthetic or semi-synthetic polymeric organic material. The main common property of plastics is permanent or temporary formability, formability…
Plastic-aluminum
Plastic-aluminum pipe, or otherwise known as PEX-AL-PEX. It represents probably the most used pipe for water or heating. It contains several layers and an aluminum barrier.
Plasticizer
A plasticizer is a chemical compound that is added to polymer materials, especially plastics, in order to improve their workability, flexibility, resistance to low temperatures and other mechanical properties. Plasticizers work by reducing…
plate
Sheet metal is a flat metal plate, i.e. a flat plate, the thickness of which is an order of magnitude smaller than its other dimensions. Sheet metal is a material used as a semi-finished product for engineering and construction production. Sheet…
PLC
PLC stands for "Programmable Logic Controller" or in Slovak "Programmable Logic Controller". It is an electronic device that is used to control and automate various processes and systems in industrial environments. A PLC is able to process…
Plug and play
Plug and Play (translated as "connect and play") is a computer technology that enables easier recognition and configuration of hardware. It allows the operating system to correctly determine what hardware is in the computer, based on which it can…
Pneumatic cleaning
Pneumatic cleaning is a method of cleaning and removing dirt, dust, waste materials or other substances using air as a driving medium. This method uses compressed air to create a strong air stream that is capable of removing dirt from surfaces,…
pneumatic drive
A pneumatic drive is a mechanical system that uses compressed air to move and operate various machines, devices and mechanical parts. These drives are often used in industry and other applications where precise, reliable and fast movement is…
Polarity reversal
Polarity reversal is the process of changing the polarity of an electric current or voltage. This means that the direction of the flow of electrons in the circuit or the polarity of the electric voltage changes. Polarity reversal can be done…
Polyamide
Polyamide, often abbreviated PA, is a synthetic polymer belonging to the group of polymer materials known as polyamides. These polymers are made up of long chains of repeating units that contain amide bonds (-CONH-). Polyamides have different…
polybutylene
Polybutylene (abbreviated PB) is a thermoplastic polymer that is used to produce various products and materials in various industries. It is a polymer made from butylene monomers. Polybutylene has several properties that make it suitable for…
polyethylene
Polyethylene or polyethene (abbreviated PE) is a thermoplastic produced by the polymerization of ethene. It belongs to the group of polyolefins, known under the trade names Alathon, Hostalen, Lupolen, Vestolen, Bralén, etc. Annual world production is…
polystyrene
Polystyrene (abbreviated PS) is a polymer that is produced by the polymerization of styrene (vinylbenzene). It is widely used, for its thermal insulation and protective properties it is used as thermal insulation and packaging material. It belongs…
polyurethane
Polyurethane (PU) is a polymer created by the reaction of polyols (organic compounds with multiple hydroxyl groups) with isocyanates (compounds containing isocyanate groups). This reaction leads to the formation of a dense…
polyurethane foam
Pur foam (polyurethane foam) is a type of insulating material used for thermal insulation and sealing in various applications. It is made of polyurethane polymer and is formed from the reaction between two components - polyol and…
Polyvinyl chloride
Polyvinyl chloride, abbreviated PVC, is a thermoplastic polymer made from vinyl chloride monomers. It is one of the most used plastics in the world and has a wide range of uses in various industries. PVC distribution: Rigid PVC (PVC-U): Rigid PVC,…
Polyvinylidene fluorine
Polyvinylidene fluorine (PVDF) is a thermoplastic polymer belonging to fluoropolymers. PVDF has excellent mechanical and chemical properties that allow it to be a widely used material in various applications, especially in aggressive and demanding…
porosity
Porosity is a material characteristic that expresses the ratio between the volume of free spaces (pores) in the material and the total volume of this material. In other words, porosity is the extent to which a material is composed of void spaces that…
potential of hydrogen
pH (hydrogen potential) is a measure of acidity or alkalinity of a solution, i.e. a measure of the concentration of aqueous hydrogen ions (H+) in a given environment. It is a dimensionless value that is measured on a logarithmic scale from 0 to 14,…
potentiometer
A potentiometer is an electrical component used to manually adjust resistance in an electrical circuit. It is a type of resistor that is shaped like a cylinder or a ring with a moving expert that changes the size of the resistor based on its…
Power Supply
A backup source is a system that includes a generator, fuel cells or batteries, and other electrical devices that, in the event of a power outage in the network, quickly ensure its restoration and short-term supply. In homes and offices, UPS…
PPO
Polyphenylene oxide (PPO) is a polymer composed of the measuring phenylene group, which is used in the production of engineering plastics. It is known for its high temperature resistance, chemical stability and strength. It is combined with various…