Fluid Category 4

  • PROTECT RPZ backflow preventer, type BA, flanged, figure 361 01

    • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
    • wetted parts made of stainless steel
    • flange connection
    • inlet and outlet with check cartridge
  • PROTECT RPZ backflow preventer, type BA, union thread, figure 360 0G

    • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
    • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
    • male union thread
    • inlet and outlet with check cartridge
  • FK-4 RPZ backflow preventer outlet type BA, figure 367 01

    • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
    • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
    • inlet male pipe thread
    • suitable for connection to the elbow wallplates
  • FK-4 RPZ backflow preventer outlet type BA, figure 367 01 025

    • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
    • suitable for connection to the elbow wallplates
    • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
    • inlet male pipe thread
  • FK-4 RPZ backflow preventer outlet type BA, figure 367 01 050

    • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
    • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
    • inlet male pipe thread
  • RPZ backflow preventer outlet for appartments type BA, figure 368 02

    • for normative refilling of appartment heating installations
    • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
    • suitable for connection to the elbow wallplates
    • with union adapter and collar for installation in cramped confines
    • made of brass, nickel plated
  • FILL-MATIC 4 combi filling valve, type BA for heating systems, figure 365 0G

    • for the automatic filling of closed heating systems according to DIN 4751
    • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
    • for heating water with inhibitors
    • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
    • consisting of shut-off, pressure reducing valve, RPZ backflow preventer Type BA and pressure gauge
    • male union thread
    • inlet and outlet with check cartridge