General Pump KEZ Owner Manual v.2 - Manual (Page 11)

GENERAL PUMP
A member of the Interpump Group
KEZ SERIES
Page 11
9.10 V-belt Transmission
The pump may be driven by a v-belt system. For this
pump model, we suggest to use 2 XPB belts (16.5 x 13
cogged); only for long durations, use the XPC profile; both
the characteristics and the power transmission capacity of
each belt can be verified on the diagram in fig. 7, in func-
tion of the number of rotations normally declared by the
Manufacturer. Minimum diameter of the driven pulley (on
the pump shaft): ≥ 160 mm. The radial load on the shaft
must not be greater than 3000 N (value required for the
definition of the lay-out). The transmission is considered
adequate if this load is applied at a maximum distance of
30 mm from the shaft shoulder (PTO) ad indicated in fig.
10.
For sizing that differs from that indicated above,
please, contact our Customer Service
Department.
9.11 Transmission Definition
To avoid abnormal radial loads on the shaft and its related
bearing, please comply with the following indications
a) Use pulleys for v-belts with race dimensions pres-
ribed/ recommended by the belt Manufacturer. Should
no indications be supplied, please see fig. 8 and the
table in fig. 9.
Dimensions (in mm)
2) Use high efficiency belts - for example XPB instead of
SPB; this will allow to use a lower number of belts to
transmit the same power, and consequently a minor
distance of the resultant from the shaft shoulder
(PTO) “a” in fig. 10.
fig. 8
Ref 300665 Rev.C
07-13