Backflow preventer, type CA

Fluid category 3 safety valves

KEMPER backflow preventers, type CA, protect drinking water from non-potable water up to and including fluid category 3 compliant with DIN EN 1717. With tried-and-tested KEMPER quality and made of gunmetal, the KEMPER backflow preventer, type CA, benefits from its short end-to-end length and ease of use.

Benefit from the following advantages:

  • Stainless steel mesh at inlet protects against contamination
  • Prevents bacterial growth by being free from dead spots
  • Corrosion-resistant thanks to wetted metal parts being made of gunmetal

Definition of fluid category 3 based on DIN EN 1717

Fluid that poses a health hazard due to the presence of one or more toxic or particularly toxic substances (the boundary between category 3 and category 4 is LD50 = 200 mg/kg body weight in accordance with EU Directive 93/21/EC as of 27 April 1993).

Practical use examples:

  • Water in conjunction with inedible, toxic substances
  • FROSTI®: Garden irrigation for the home

You can find more information on choosing the right safety valves in our guidebook.

Go to safety valves guidebook