Waste drain check valves

With the aim to make installation easier, KARMAT produces the 50mm backwater valve in versions A, B and C . They are used in all sewage-related systems such as washbasins, sinks, shower bases, dishwashers and washing machines.- Manufactured in different...

Anti-flood devices protect interiors from flooding caused by sewage backflow. Karmat non-return valve 50mm is an ideal solution where it is impossible to install a non-return valve to protect the whole building e.g. in an apartment block. It is fitted in...

Flap valves of Karmat are innovative devices protecting rooms on the lower levels against flooding caused by backward flow of storm water and sewage. These devices are fully self-activating. Flap valves effectively protect plumbing systems from rats...

Flap valves of Karmat are innovative devices protecting rooms on the lower levels against flooding caused by backward flow of storm water and sewage. These devices are fully self-activating. Flap valves effectively protect plumbing systems from rats...

Flap valves of Karmat are innovative devices protecting rooms on the lower levels against flooding caused by backward flow of storm water and sewage. These devices are fully self-activating. Flap valves effectively protect plumbing systems from rats...

Flap valves of Karmat are innovative devices protecting rooms on the lower levels against flooding caused by backward flow of storm water and sewage. These devices are fully self-activating. Flap valves effectively protect plumbing systems from rats...

Devices have two independent protective covers which are beneficial during back flow because the pressure affecting the first flap is not immediately transferred to the other. - Diameter: 160mm - Mounting: vertical - Karmat double flap backwater valves...

Devices have two independent protective covers which are beneficial during back flow because the pressure affecting the first flap is not immediately transferred to the other. - Diameter: 110mm - Mounting: vertical - Karmat double flap backwater valves...

KARMAT Backwater Valves (non-return valves) effectively secure any rooms located on the lower floors against flooding caused by back flow of storm water and sewage. Back flow may be caused by intense rains, thaw or floods. Use of anti-flooding devices...

KARMAT Backwater Valves (non-return valves) effectively secure any rooms located on the lower floors against flooding caused by back flow of storm water and sewage. Back flow may be caused by intense rains, thaw or floods. Use of anti-flooding devices...

KARMAT Backwater Valves (non-return valves) effectively secure any rooms located on the lower floors against flooding caused by back flow of storm water and sewage. Back flow may be caused by intense rains, thaw or floods. Use of anti-flooding devices...

KARMAT Backwater Valves (non-return valves) effectively secure any rooms located on the lower floors against flooding caused by back flow of storm water and sewage. Back flow may be caused by intense rains, thaw or floods. Use of anti-flooding devices...

With the aim to make installation easier, KARMAT produces the 50mm backwater valve in versions A, B and C . They are used in all sewage-related systems such as washbasins, sinks, shower bases, dishwashers and washing machines.- Manufactured in different...

With the aim to make installation easier, KARMAT produces the 50mm backwater valve in versions A, B and C . They are used in all sewage-related systems such as washbasins, sinks, shower bases, dishwashers and washing machines.- Manufactured in different...

A backwater valve mounted on a vertical drain pipe is a comfortable, cheap and often the only way of protecting a building against flooding. The valve has successfully passed a series of tests required by the EN 13564 standard and received the CE mark...