V-belt pulleys proposed by CDT in this catalogue are all manufactured according to ISO 4183 and DIN 2211 norms. 

The material used for the construction of these pulleys is cast iron GG25 and after the machining all pulleys are being PHOSPHATED. 

Each pulley is strictly DYNAMICALLY BALANCED with high precision dynamical balancing machining tools. 

Unbalanced bolume will corrected accurately.