Wet/dry fire fighting water technology

Clean drinking water through filling and emptying stations, which ensure that extinguishing water lines are always empty and only filled in the case of alarm.

Wet/dry fire fighting water technology

Wet/dry fire fighting water technology

Services

  • Support from CWS fire protection officer
  • Installation
  • Consulting
  • Maintenance
  • Acceptance
  • Planning & project engineering
  • Commissioning
  • Instruction / Training

Highlights

  • Can also be used for outdoor areas
  • Hygienically clean separation of drinking and fire-fighting water

Wet/drying stations - advice, installation & maintenance

Wet/dry fire-fighting water technology provides extinguishing water when it is needed. For hygienic reasons and to prevent frost damage, fire-fighting water pipes must always be kept empty in certain areas. In the event of an alarm, the pipes are immediately filled with water from the drinking water supply system, and the wall hydrant is ready for use. Thus, wet/dry stations are filling and emptying stations.

The use of wet/dry fire-fighting water technology is suitable for wall-mounted hydrants with a water supply of more than 24 l/min, as these must not be connected directly to the drinking water network. Preferably, wet/dry stations are installed in areas with high hygiene standards, e.g. in hospitals, care facilities or residential homes, as well as in buildings with a risk of frost, e.g. underground and multi-storey car parks.

Wet/dry stations consist of the following components:

  • Control unit
  • Valve stations
  • Drainage facilities
  • Rinsing facilities
  • Release devices
  • Alarm and fault message displays

Testing and maintenance of wet/drying stations: According to DIN 14463-1, the acceptance of a wet/dry station must be carried out by a fire protection expert (this happens usually at the same time as the acceptance test of the wall hydrant according to DIN 14461-1). In some federal states, additional safety-related tests are required before commissioning the plant (e.g. TPrüfVO in NRW). Wet/dry stations must be subjected to a monthly functional test by the operator or installer as well as to an operational test (including an examination of the accident behaviour) every six months. In addition, maintenance by a competent person is required at least once a year.

All-round carefree package from CWS Fire Safety

CWS carries out the local inspection and professional production of the wet/dry station together with the extinguishing system according to the DVGW (the German association for standardisation within the gas and water industry), the nationwide installation and final acceptance through an inspection expert. In addition, we take over the maintenance and servicing of the wet/dry station for you.

Advantages

  • Clean drinking water in the building

Sustainability

Drinking water remains hygienically clean.

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