Standard-conforming protection of the heating system: filling, filtration, degassing, desludging.

Professionals are required when it comes to safety. We from SYR have heating valves complying with all standards. Starting with the DIN EN 1717 requirements for the potable water protection to prevent the pollution of the drinking water by backflow, backpressure or backsiphonage of the heating water and thus, avoiding health hazards. Up to the VDI 2035 standard aiming at preventing lime formation and water-induced corrosion causing expensive damage in heating systems. Should the manufacturers’ requirements for the fill water not be fulfilled, the warranty may no longer apply. Installers and operators have to see to it. And with SYR, you are on the safe side!
Backflow Preventer STBA 200/220 6625.15.002
  • for the indoor and outdoor use
  • up to and including fluid category 4
  • high flow rate
  • use in mobile installations like for instance at shows, funfairs, construction sites, emergency supply etc.
  • quick and easy installation
  • lead sealing to prevent manipulations
  • nickel-plated casing

Designed for the protection of potable water against non potable water according to EN 1717 up to and including fluid category 4. Installation upstream of apparatuses and draw-off points. Body made of hot-pressed brass and synthetic material.

for hose connection to draw-off points
for hose connection to draw-off points
Backflow Preventer STBA 200/220
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