Viscosity must not exceed 3° Engler (21 CST).
The temperature of the liquid must not exceed 90° C.
They are usually used on:
They should usually be installed on a tank, with a capacity in proportion to the flow rate, at about 3-4 cm. from the bottom. It is important to check that the maximum level of the liquid in the tank always remains 3 – 4 cm. lower than the flange (see figure).
For other usages you are advised to consult our technical office.