The electric wire rope hoist DRH series can be used in fixed configuration, with normal headroom monorail trolley, with low headroom monorail trolley, with double girder trolley. The certified quality system UNI EN ISO 9001:2000 which regulates all the company's activity, allows Donati Sollevamenti to offer a high level quality product in line with the all relevant international standards.The range of the DRH series electric wire rope hoists has been developed in:
4 basic sizes:
DRH 1-2-3-4, to lift from 800 to 50.000 kg, including 1020 standard executions, in the FEM service group (ISO): 1Bm (M3), 1Am (M4) - 2M (M5) - 3M (M6).
1 lifting speed:
made with a 4 pole motor: 4 or 6 m/min for 4 rope falls hoists; 8 or 12 m/min for 2 rope falls hoists; 2,7 m/min for 6 rope falls hoists; 2 m/min for 8 rope falls hosts.
2 lifting speeds:
made with a 4/12 pole motor, speeds are: 4/1,3 or 6/2 m/min for 4 rope falls hoists; 8/2,6 or 12/4 m/min for 2 rope falls hoists; 2,7/0,9 m/min for 6 rope falls hoists; 2/0,7 m/min for 8 rope falls hosts.
3 l ifting speeds:
made with 4/12 pole motors the micro speed is obtained by the application of a frequency device on the 12 pole winding.
5 standard version of drum:
short (C), normal (N), long (L) and extra long (X1) and (X2), for hook runs from 4 to 58 m.