Lasso Technik AG - Niklaus von Flue-Str.33 - CH-4059 Basel - Switzerland - Tel. +41 61 331 40 90 -

Welcome to Stop Silent



The world premiere of the Lasso Technik AG

Stop Silent Light - Installed within seconds!

Reliable flood protection, air thight odor barrier, high quality flap gate.

Stop Silent Light check valves for fecal and stormwater.
Suitable for backpressure until 0.5bar (72.5 psi). Further information is available here.







Stop Silent - trendsetting quality since 1942

Safe - Durable - Reliable

No water hammer, low pressure loss and long service life. 

The Stop Silent Check Valve features a unique cone design that assures tight shut-off to prevent backflow of liquid or gaseous media. This design also eliminates water hammer and associated problems such as noise and wear which results in quiet and noise-free operation as well as in a long service life.

The Stop Silent Valve series, which are available for various applications, comes in several configurations to meet a variety of mounting requirements. This allows an easy installation into fittings, standard unions, or between flanges.