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Backwater valves (non-return valves)
Backwater Valves
Download our Backwater Valves poster
By Helnor AS
/ 18. October 2021
Download our Backwater Valves poster
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Articles
Articles
Backwater Valves
Backwater Valves
Backwater cost society huge sums every year
By Helnor AS
/ 29. September 2021
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Backwater valves (non-return valves)
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Emergency showers
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Combined body and eye/face showers
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Floor covers for concrete
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Water and drainage technique (WD-technique)
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Teleskopic hydrant (underground)
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Check Valve, 2-Flap. Type: ZK-ZB2K
Check valve consisting of valve housing with 2 lockable flaps.
Mounted horizontally. Ø110-Ø160.
Check Valve In Basin. Type: ZK-K
Check valve in straight-line foam.
Easy installation and very easy maintenance. Delivered without riser.
Lid With Rubber Cuff. Special Composite. Type: ZK-PS 355/400
The lids are used as a finish above the ground, either directly on the riser with sleeve or on the telescopic upper part. Ø355 corrugated pipe. Ø400 smooth pipe. 3h axle load.
Check Valve, 1 Flap. Type: ZK-ZB
Check valve consisting of valve housing with simple lockable flap.
Manual locking. Ø110-Ø315.
Check Valve. Type: ZK-ZBK
Tilbakeslagsklaff bestående av selvlukkende klaff. Rødbrun PP (polypropylen). Ø110-Ø315.
Drain Flap For Drain. Type: ZK-ZBKDR
Check valve consisting of a simple self-closing flap.
Comes with sleeve with the unique locking system. Ø72-Ø100.
Check Valve, PVC. Type: SEK
Simple check valve in PVC for spring floods and floods.
Ø250-Ø630.
Check Valve, 2-Flap. Type: SET OTTIMA
Check valve, 2-flap. Horizontal mounting.
Ø110-Ø160.
Vertical Check Valve. Type: ZK-ZBPION
Vertical check valve. Valve body with a simple lockable flap.
With manual locking. Ø50-Ø100.
Check Valve Ø50. Type: ZK-ZB50.
Check valves consisting of valve housing with simple lockable flap.
Manual locking. Ø50. Mounted horizontally.
Check Valve. Type: ZK-UZBKW
For installation inside PP/PVC troughs.
Self-closing flap and comes with sleeve. Ø110-Ø200.
Check Valve. Type: ZK-UZBBW
For installation inside the pipe outlet in existing concrete troughs.
Installed in DEEP wells/troughs. Ø110-Ø160.
Check Valve. Type: ZK-UZBB
For installation inside the pipe outlet in existing concrete troughs.
Installed only in GROUND wells/troughs. Ø110-Ø160.
Check Valve, For Installation In The Floor. Type: ZK-PZB
For installation in the floor.
Consisting of self-closing flap and is mounted in unit with socket in inlet and outlet. Ø160-Ø200.
Check Valve, 1-Flap. Type: SET
Check valve, 1-flap.
Horizontal mounting. Ø200-Ø400.
Standard Lid. Special Composite. Type: ZK-P
The lids are used as a finish over the sump.
Can be used directly on both smooth and corrugated risers.
Leaf collector. Type: ZK-U
The branch pipe is used as a leaf collector for roof downspouts.
Prevents leaves and twigs from entering the drain line. Ø110-Ø160.
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