Check Valve Ø50. Type: ZK-ZB50.

Check valves consisting of valve housing with simple lockable flap.
Manual locking. Ø50. Mounted horizontally.


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ZK-ZB50AB3415461Ø50135mmMounted on existing pipes along the wall.
ZK-ZB50BB3415462Ø50135mmComes with adjustable elbow.


Non-return valve Ø50 with manual locking.


A check valve that reduces the risk of flooding of wastewater.

The valve, which is available in dimension 50 mm, can be installed both indoors and outdoors on the sewer line. Easy installation.


The check valves consist of a valve housing with a simple lockable flap.


Mounted horizontally as it has a built-in drop.

– ZK-ZB50AB is mounted on existing pipes along the wall.

– ZK-ZB50BB is mounted to a socket in existing pipes in a wall.

– ZK-ZB50CB is delivered with adjustable elbow.


Made of age- and corrosion-resistant material.

Both valve body and hatch are made of white PP (polypropylene).

The flap is equipped with a rubber seal