Ports And Connections; Pump Installation; Installation; Rotation Direction - Pratissoli KF Serie Manual De Uso

8

PORTS AND CONNECTIONS

The KF series pumps (see Fig. 4) are equipped with:
 No. 2 "IN" inlet ports 1" Gas.
Line connection to any of the two ports is indifferent for
proper pump functioning. The unused ports must be
hermetically closed.
 No. 2 "OUT" outlet ports 1/2" Gas.
ƒ No. 3 service ports 1/4" Gas; usually used for the pressure
gauge.
9

PUMP INSTALLATION

9.1

Installation

The pump must be fixed horizontally using the M16x1.5
threaded support feet. Tighten the screws with a torque of
210 Nm.
The base must be perfectly flat and rigid enough as not
to allow bending or misalignment on the pump coupling
axis/transmission due to torque transmitted during operation.
The unit cannot be fixed rigidly to the floor but must
interposed with vibration dampers.
For special applications contact the Technical or Customer
Service Departments.
A lifting bracket is mounted on the pump for easy installation,
as per the figure below.
Should it be necessary to disassemble it, to avoid the entrance
of dirt in the front part of the casing, close the threaded hole
with the cap provided.
Earthing: the pump must be connected to an
earth conductor using the stainless steel M6 screw
and stainless steel serrated washer marked with a
YELLOW label. See "ATEX EXPLOSION PROTECTION"
manual.
Replace the oil filling hole closing service
plug (red) positioned on the rear casing cover.
Check the correct quantity with the oil dipstick.
The dipstick must always be accessible, also when
the unit is installed.
The pump shaft (PTO) must not be rigidly
connected to the drive unit.
The following types of transmission are
recommended:
- Hydraulics by flange, for proper application
consult with our Technical or Customer Service
Fig. 4
Departments.
- V-belts.
- Universal joint (comply with the maximum
working angles recommended by the
manufacturer).
- Flexible coupling.
In all cases the transmission must be assembled
correctly to avoid incorrect or harsh operation of
the connection parts and to prevent excessive
wear, temperature rise and/or hazardous breakages
that may create potential sources of ignition and
explosion. See "ATEX EXPLOSION PROTECTION"
manual.
9.2

Rotation direction

The rotation direction is indicated by an arrow located on the
casing near the drive shaft.
From a position facing the pump head, the rotation direction
will be as in Fig. 5.
LH SIDE
clockwise
27
RH SIDE
anticlockwise
Fig. 5