Glossary, Page 26

two-stage filter

A two-stage filter is a type of filtration system that contains two different stages of filtration that gradually remove different impurities from the fluid. This approach to filtration makes it possible to achieve better and more accurate fluid…

Ultraviolet radiation

Ultraviolet radiation (other names: ultraviolet radiation, ultraviolet rays, ultraviolet light, UV(-) radiation/radiation/rays/light, radiation/radiation/rays/UV light; as wave: ultraviolet wave/waves, UV wave/waves; as part of the…

Underfloor heating

Underfloor heating is a type of heating in which heat is transferred directly to the floor of the room, creating an even and pleasant heating. It is a modern and efficient way of heating that offers several advantages compared to other forms of…

USB

USB in its initial abbreviation means "Universal Serial Bus". It is one of the oldest computer interfaces still used today. In the past, USB was known as a port in computers, but today it can be found on practically any piece of electronics. From…

Utility water

Utility water is water that is always produced from potable water, either by heating (warm water), while there are no safety and quality limits for warm water, as is the case with drinking water. Standard STN 83 0616 defines warm water as water…

uv lamp

A UV lamp is a device that generates ultraviolet (UV) radiation. This type of radiation is outside of visible light and is characterized by a shorter wavelength than visible light. UV lamps are used for a variety of purposes in a variety of fields,…

Vaillant

Skupina Vaillant Group je synonymom vykurovania a prípravy teplej vody, pričom hlavný dôraz kladie na kvalitu, spoľahlivosť a užívateľský komfort. Jej produkty tepelnej techniky sú zastúpené vo viac ako 100 krajinách sveta. Združuje značky Vaillant,…

valve

Valve: technical equipment in pipelines, see valve (fitting)component in machines with different functions:cylinder charge change control, see valve (reciprocating internal combustion engine)fuel metering control, see injection valvepart of a tire,…

Vent valve

A vent valve is a ventilation element that is used to remove air from closed systems, especially from systems with liquid circulation, such as heating systems, cooling systems, radiators, or water heaters. Its main function is to allow efficient and…

ventilátor

  Ventilátor   Table fanA fan is a working machine, the purpose of which is to ensure the transport of gas from one place to another. When the transported gas flows through the fan, it is compressed, but this is not the…

Viessmann

The Viessmann Group is one of the international manufacturers of heating, industrial and cooling systems. Viessmann's integrated portfolio includes individual solutions with efficiently working systems and outputs from 1.5 to 120,000 kW for all…

VIQUA

VIQUA is the world's leading manufacturer and supplier of water disinfection solutions using ultraviolet (UV) radiation. Headquartered in Canada, VIQUA has been focused on developing and manufacturing reliable, highly efficient and innovative UV…

virus

Viruses are microscopic infectious agents that are not capable of independent life. They are considered the simplest life forms or biological entities because, unlike other organisms, they do not have a cellular structure and do not perform any…

VONTRON

VONTRON is an international leader in the development, production and distribution of membrane solutions for water treatment. Based in China, the company has been focused on providing high quality and reliable membranes for various water treatment…

Wall heating

Wall heating is a form of heating where heat is generated and transferred through the walls of a room instead of traditional radiators or underfloor heating. This heating method is becoming more and more popular in several areas. Here is a basic…

Waste air

Waste air in HVAC refers to air that has been used for ventilation or air conditioning in a building or other space and is then released outside. It is air that has already fulfilled its purpose of air exchange and is removed from the indoor…

water

Water or aqua (chemical formula H2O, according to the traditional name aqueous oxide, newer systematic name oxidane[1]) is a chemical compound of hydrogen and oxygen. It is a basic condition for the existence of life on Earth. At normal…

water meter shafts

Water meter shafts are used to install water meters or other measuring devices. They simplify their control and allow a person easy access to these measures. They are used for residential buildings, cottages or similar devices for measuring water…

Waterproofing

Waterproofing is a technique used to ensure that a material is impervious to water, moisture and other liquid agents. Its purpose is to prevent the penetration of water into the structure of the building, which can cause damage to materials,…

wifi

Wi-Fi (Wireless Fidelity) is a technology that enables the wireless connection of devices to the Internet or to wireless networks. Wi-Fi is a standardized wireless communication protocol that uses radio waves to transmit data between devices and…

WiFi Router

A Wi-Fi router (also called a wireless router) is a device that allows you to create a wireless local network connection (Wi-Fi) and at the same time mediates an Internet connection for various devices in your home or office. These devices are a…

wigell

Wigell s.r.o., a manufacturer of brass heating fittings based in Bielsko-Biała, has two production plants in Poland and Ukraine, and sales offices in the Czech Republic and Slovakia. It employs a total of 90 people. At the beginning of its…

Wilo

  about company Wilo is a premium provider for the technical equipment of buildings, water management and industry. We transform complex technologies so that they are practical for the user, easy to use, energy efficient and powerful.…

WLAN

WLAN (Wireless Local Area Network) is a wireless local area network that enables wireless connection of devices to the network infrastructure. WLAN is commonly used to establish a wireless Internet connection in homes, offices, schools, public…

wolf

WOLF is a renowned manufacturer of heating systems based in Germany. Since its founding in 1963, WOLF has established itself as a leader in heating, cooling and ventilation with an emphasis on innovation, energy efficiency and sustainability. One of…