7
This is a proprietary document of Kirloskar Brothers Limited, YAMUNA’ Survey No. 98/ 3 to 7, Baner, Pune – 411045, India.
NS IOM MANUAL
1 Sept 2018
E.
Refer below chart for 6 pole Models: (NS)
1.2
The pump comprises of three units:
I.
Pump unit –
It comprises of a delivery casing having wide volute opening and non-clog
type of impeller. The casing is attached with connector unit or stand as per order.
II.
Stuffing box unit –
It comprises double mechanical seal and mechanical seal housing
filled with oil for lubricating the seals. The seal behind the impeller is having seat ring of
silicon carbide V/s silicon carbide and second seal comprises of carbon ring V/s stainless
steel ring.
III.
Electrical motor unit –
These pumps are provided with submersible three phase squirrel
cage induction motors in watertight housing. The entire motor unit is air tested to ensure
the leak tightness of the joints. Moisture sensor is provided in the mechanical seal housing
to give the indication to control panel which in turn trips the motor, when the seal near
impeller fails. The pump is provided with high and low liquid level controllers which avoids
dry running of pump
.
1.3
The NS pump can be supplied in portable or with fixed arrangement. When the pump is supplied
with portable type, hose, connection should be provided to avoid weight of pipe line on the pump
casing. The casing is provided with stand for support. For stationary application, the pump is
mounted on the support bracket and is connected to the delivery bend through a rubber diaphragm
and connector unit. The pump slides over the guide pipes without disconnecting/disturbing the
delivery pipe line
.
1.4
NS pump is supplied with wall mounted control panel. These control panels are supplied either with
DIRECT ON LINE
,
STAR DELTA, SOFT STARTER or ATS
type starters. These panels are
designed for smooth running of pump-set. The pump gets switched off automatically and is
protected against the following.
a.
Contamination of oil with pumped liquid.
b.
Dry running of pump.
c.
Single phasing/reverse phasing.
d.
Over load.
e.
Overheating of winding [against order].
The coding of leads of the cables is clearly marked on each lead and the connections to the control
panel should be made as per connections diagram of control panel and s per below shown Figure
(1) & (2).
IMPELLER TYPE
kW RATING IN 6 POLE
PUMP
N
QM
Q
QT
NB
QMB
NM
QMM
X
7.5
9.3
11
15
18.5
22
30
37
45
55
75
90
110
132
160
180
50/32
*
*
*
*
50/36
*
*
65/32
*
*
*
*
*
*
*
80/40
*
*
*
*
*
*
*
*
*
*
100/26
*
*
*
*
*
100/32
*
*
*
*
*
*
*
*
*
100/40
*
*
*
*
*
*
*
*
*
150/26
*
*
*
*
*
*
*
*
*
*
150/32
*
*
*
*
*
*
*
*
150/40
*
*
*
*
*
*
*
*
*
*
150/50
*
*
*
*
*
*
*
*
*
200/32
*
*
*
*
*
*
*
*
200/40
*
*
*
*
*
*
*
*
*
*
250/34
*
*
*
*
*
250/40
*
*
*
*
250/50
*
*
*
*
*
*
*
*
300/55
*
*
*
*
*
350/40
*
*
*
*
*
*
350/47
*
*
*
*
*
