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TEST CERTIFICATE
The firm S.C.M. TECNOLOGIE sas. attests that the radial submerged aerator type SC
...... of Kw ......... n. ............... has been carried out in conformity with its Patent
n. 01246905 and that the employed materials are:
Fusion housing Cast iron
Shaft Inox ISI 420
Upper seal Double - external side carbide
Motor side aluminium-graphite
Impeller Stainless steel AISI 316
Diffuser Stainless steel AISI 304
Channels Stainless steel AISI 304
Suction chamber Stainless steel AISI 304
Axle box Teflon / Bronze
Bolts Stainless steel AISI 304
Moreover, the firm S.C.M. TECNOLOGIE sas. attests that the submerged aerator type
SC……. of Kw…..n. …….. has been electrically and hydraulically tested and it does not
present any defects.
In faith
S.C.M. TECNOLOGIE
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