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Anti-pollution check valve and combined stop and check valves
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antipollution check valve, with plugged drain port, union thread
figure 158 1G
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • male union thread
  • with plugged drain port
  • controllable check cartridge
antipollution check valve, FPT, with plugged drain port
figure 195 02
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • female pipe thread
  • with plugged drain port
  • check valve with SST spring
combined stop and antipollution check valve, with drain valve
figure 137 02
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • flange connection
  • with sidewise drain valve, rotatable hose connection element G 3/4
  • check valve with SST spring
combined stop and antipollution check valve, union thread, with plugged drain port
figure 145 2G
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • male union thread
  • with plugged drain port
  • controllable check cartridge
combined stop and antipollution check valve, with plugged drain port, union thread
figure 160 2G
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • male union thread
  • with plugged drain port
  • check valve with SST spring
combined stop and antipollution check valve, with plugged drain port, FPT
figure 193 02
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • female pipe thread
  • with plugged drain port
  • check valve with SST spring
SST combined stop and antipollution check valve, MAPRESS, with drain valve
figure 060 01
  • wetted parts made of stainless steel
  • press connection Geberit MAPRESS
  • with sidewise drain valve, rotatable hose connection element G 3/4
  • check valve with SST spring
SST combined stop and anti pollution check valve, union thread, with drain valve
figure 060 1G
  • wetted parts made of stainless steel
  • male union thread
  • with sidewise drain valve, rotatable hose connection element G 3/4
  • check valve with SST spring
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Check valves and combined stop and check valves

Fluid category 2 safety valves

Anti-pollution check valves and combined stop and check valves allow drinking water to flow in only one direction and prevent backflow against the direction of flow. In this way, they reliably protect against category 2 fluids in accordance with DIN EN 1717.

Benefit from the following advantages:

  • The safety EA for narrow pipe networks thanks to opening pressure of just 10 hPa
  • Permanently leak-proof thanks to stainless steel valve seat (Figure 145 2G)
  • Long service life thanks to pivoted shut-off stop cone (Figure 145 2G)
  • Utmost operational safety because spindle gasket replaceable under full operating pressure

Definition of fluid category 2 based on DIN EN 1717

Fluid that is suitable for human consumption and does not present a hazard. This also includes water from a drinking water installation in which a change in taste, smell, colour or temperature (heating or cooling) occurs.

Practical use examples:

  • Coffee/water dispensers
  • House water entry points
  • Water heaters

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

Go to safety valves guidebook