DA4-00 SIGHT GLASSES
Sight glasses without flow indicator may be used for easy checking of fill
levels, consistency, bi- or multiphase flows or condensate. They may also
be used for mixtures of liquids, gases and vapours. Flow indicators fitted
with a vane can be used for monitoring the flow of liquids, gases and
biphase fluids. Flow indicators fitted with an impeller are used for liquids
and small flow volumes. Flow indicators fitted with a ball can be used for
liquids and gases.