Clapet de non-retour à double battant / Clapet d

Doppelklaff-Rückschlagarmatur / Doppelrückschlag

Zawór zwrotny międzykołnierzowy dwuklapowy

Robinet de retinere cu clapa dublu disc

DIN 3202 F6 Robinet de retinere cu bila

Ductile Iron Double Check Backflow Preventer

DIN Ductile iron silent nozzle check valve PN10

Rubber Seated Flapper Check Valve

DIN F1 Lift Check valve

DIN 3202 F6 Metal seat Swing check valve

Ductile iron Silence Check Valve

BSP Screwed Ball check Valve