Another advantage is the very low wear that offers an functionality

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The controls are in general orientated towards the supplier’s requirements. As a control measure, the perkect system saves time in case of a leak; it is an effective tool to control the gas-tight capability.Gas-tight butterfly valves are also available in different versions; options are based around the housing, the valve disc and the sealing PVDF valve suppliers material, but also around the drive.

The valves are thoroughly tested, especially when used in isolator plant applications. It would immediately stand out if anything was leaking. The process cannot start if the test is not successful. Accruing maintenance work can be conducted quickly and without creating lengthy operation interruptions.

Another advantage is the very low wear that offers an outstanding functionality and hence the maximum possible security. The seal implemented at the disc valve ensures that no pressure is released. The so-called “perkect” system allows for testing the valve’s tightness in its installed condition by means of a hand pump.

The test pressure is built via a test groove, which is screwed in the housing.

RICO reviews its proven butterfly valves constantly in a move to meet the market’s current requirements.. A frequent verification of the valve function is conducted automatically: plants in the pharmaceutical field, for instance, have to undergo a pressure test before commissioning. The round butterfly valve has been welcomed in the marketplace because of its compact and light design, its smooth housing surface and a proven test groove. Depending on the needed requirements, the drive can be controlled manually, pneumatically or electronically

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