

Non return valves
Non return valve type “Claboule”
These non return valves are used in sewage pipelines. They prevent the backflow of the water to the pumps, thus preventing the emptying of the pipeline.
Non return valve type “Clasar”
These non return valves with concentric rings are used in water, purified water and chemical applications. Its extremely fast obturation avoids pressure peaks as well as valve hammering.
“Perforated” Double non-return valve
Prevents an oscillatory flowing back of the water column in the system.

Data sheets
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OLD 1250 - Non return valve type Blaboule (136.5 KiB)
OLD 1260 - Non return valve type Clasar (491.5 KiB)
OLD 1270 - Perforated double non return valve (297.1 KiB)