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This standard deals with the means to be used to prevent the pollution of potable water inside premises and the general requirements of protection devices to avoid pollution by backflow. The hygiene protection specifications of this standard are applicable to all the standards for...
This standard deals with the means to be used to prevent the pollution of potable water inside premises and the general requirements of protection devices to avoid pollution by backflow. The hygiene protection specifications of this standard are applicable to all the standards for...
This standard, in conjunction with DIN EN 1717, specifies requirements regarding the protection of drinking water against pollution in drinking water installations and protection units designed to prevent such pollution by backflow. It supplements the specifications of DIN EN...
This document specifies: a) field of application; b) requirements for hose union backflow preventer; c) dimensional and the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design of hose union backflow preventers DN 15 to DN...
This document specifies the: - field of application - the dimensional, the physico-chemical, the design, the hydraulic, the mechanical and the acoustic characteristics of non-controllable backflow preventer with different pressure zones - family C - type A and of nominal sizes DN 6 to...
This European Standard applies to lifting plants for faecal-free wastewater for drainage of locations below flood level in buildings and sites to prevent any backflow of wastewater into the building. These lifting plants may be prefabricated or delivered as prefabricated kits and...
This European Standard applies to lifting plants for faecal-free wastewater for drainage of locations below flood level in buildings and sites to prevent any backflow of wastewater into the building. These lifting plants may be prefabricated or delivered as prefabricated kits and...
This European Standard applies to lifting plants for wastewater containing faecal matter (referred to as "faecal lifting plants" in this standard) for drainage of locations below flood level in buildings and sites to prevent any backflow of wastewater into the building. These lifting...
This European Standard applies to lifting plants for wastewater containing faecal matter (referred to as "faecal lifting plants" in this standard) for drainage of locations below flood level in buildings and sites to prevent any backflow of wastewater into the building. These lifting...
This International Standard specifies requirements for appliances for household and similar purposes to prevent the backsiphonage of non-potable water into the water mains. It also specifies requirements for hose-sets used for connecting such appliances to the water mains that supply water...
This document specifies; - the field of application; - the requirements for automatic diverter; - the dimensional and the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design to automatic diverter; - the test method and requirements for verifying these...
4.1 Seams in some sheet resilient flooring are sealed to prevent openings from forming between cut edges and prevent penetrations of dirt, liquids, etc., into the seams.
4.1 Seams in some resilient flooring are heat sealed to prevent openings from forming between cut edges and to prevent penetrations of dirt, liquids, etc., into the seams. Decorative appearances may also be achieved using contrasting heat weld thread (rod).
This document specifies the characteristics and test methods for flue dampers that are used as components, carrying flue gas, in order to limit the flow in a chimney or to prevent back flow of soot during cleaning of the chimney or to prevent the backflow of the flue gas e.g....
4.1 Seams in some sheet resilient flooring are sealed to prevent openings from forming between cut edges and prevent penetrations of dirt, liquids, etc., into the seams.
