Flue gas heat exchangers transfer the thermal energy from the heating appliance flue gas to the heating water. This increases the efficiency of the heating system. Heating appliances, chimneys

For accessories in the field of heating appliances that due to their innovative functions have not yet been covered by technical specifications, regulatory verification of fitness for use/application

A single-room heating appliance is a heating appliance which serves to heat the room in which it is placed or installed. Heating appliances, chimneys

Supply ventilation units serve to supply indoor spaces with filtered and possibly preheated outside air. Exhaust ventilation units serve to remove exhaust air from indoor spaces. Ventilation

Ventilation units with heat recovery serve to supply and remove air from indoor spaces while transferring the residual heat from the exhaust air to the supply air via a heat exchanger. Ventilation

Single-room ventilation units ensure a controlled air exchange between the building interior and the outside environment which is independent of the ventilation behaviour of the occupants. Ventilation

A prefabricated stair system consists, e.g., of steps, landings, stringers, handrails, balustrades and fasteners. The following stair systems are distinguished: stairs supported by load-bearing bolts,

Catalysts are used in firing systems to optimise the combustion processes and reduce the amount of harmful flue gas substances produced. Heating appliances, chimneys

For penetration-free fixing of photovoltaic systems or fall protection to the roof, the fixings can be bonded or welded to the roof waterproofing membrane. The roof waterproofing thus takes on a struc

Walk-on glazing is designed for foot traffic. A vertical imposed load of maximum 5 kN/m 2 is assumed under normal use conditions. Glazing accessible for maintenance and glazing with fall-through prote

Barrier glazing is glazing designed to prevent people from falling to a lower level. In the event of impact on the glazing, the risk of injury is supposed to be low. Furthermore, the lower-lying traff

Overhead glazing (also known as 'horizontal glazing') is understood to be glazing with an angle of inclination of more than 10° with respect to the vertical plane. With overhead glazing, it is assumed

With point supported glazing, the glass pane is mechanically fixed to the substructure either via point fasteners installed in drilled holes or via clamps (edge clamps). Point supported glazing is use

Amalgam separators serve to treat wastewater containing amalgam residues from treatment units in dental practices. Separator systems

Leakage detection systems are used for detecting leaks in storage and filling facilities for manure, slurry and silage effluent (MSS) and biogas storage and filling facilities (biogas SF facilities),

Stand-alone safety devices for monitoring the opening state of a window ensure that ventilation systems and non-room-sealed heating appliances can be operated safely in combined operation mode. If the

Stand-alone safety devices with differential pressure monitoring serve to ensure that ventilation systems and non-room-sealed heating appliances can be operated safely in combined operation mode. For

Falsework beam clamps are connectors in falsework in accordance with EN 12812 with a mechanical fit based on contact pressure and friction. The contact pressure is activated through bolt connections.

Scaffold couplers in accordance with EN 74-1 or EN 74-2 are the most common form of detachable connectors in scaffolding. They usually provide an interference fit between scaffold tubes. Couplers are

Telescopic and non-telescopic props made of steel in accordance with EN 1065 or aluminium in accordance with EN 16031 are used on construction sites as temporary vertical supports during construction

Dust separators are used in chimneys to reduce the dust particle content of flue gases resulting from the combustion of solid fuels. Heating appliances, chimneys

Mastic or roller-compacted asphalt sealing layers are used in storage and filling facilities for manure, slurry and silage effluent (MSS facilities) and biogas storage and filling facilities (biogas S

Drainage channel systems and penetrations in retaining systems need to be designed in a way to ensure that no substances hazardous to water can escape from storage and filling facilities for manure, s

Joint sealing systems, e.g. sealing strips, sealing sheets, sealing tapes, coated sealing sheets and sealing compounds, serve to make construction joints in sealing surfaces or sealing systems of stor

Mastic or roller-compacted asphalt sealing layers are used in storage, filling and handling facilities for substances hazardous to water (SFH facilities) to create load-bearing, liquid-tight, sealed s