Flowserve APKD - Manual (Page 8)

APKD DOUBLE-CASE, DOUBLE-SUCTION USER INSTRUCTIONS 26999903 07-13
Page 8 of 55 flowserve.com
Pump noise level is dependent on a number of
operational factors, flow rate, pipework design and
acoustic characteristics of the building, and so the
values given are subject to a 3 dBA tolerance and
cannot be guaranteed.
Similarly the motor noise assumed in the “pump and
motor” noise is that typically expected from standard
and high efficiency motors when on load directly driving
the pump. Note that a motor driven by an inverter may
show an increased noise at some speeds.
If a pump unit only has been purchased for fitting with
your own driver then the “pump only” noise levels in the
table should be combined with the level for the driver
obtained from the supplier. Consult Flowserve or a
noise specialist if assistance is required in combining
the values.
It is recommended that where exposure approaches
the prescribed limit, then site noise measurements
should be made.
The values are in sound pressure level L
pA
at 1 m
(3.3 ft) from the machine, for “free field conditions
over a reflecting plane”.
For estimating sound power level L
WA
(re 1pW) then
add 17 dBA to the sound pressure value.
1.8.1
Typical vertical motor noise data
Motor
Frame
Size.
NEMA
RPM Sound
Pressure
(dBA )
(WP- I
enclosure)
Sound
Power
(dBA )
(WP- I
enclosure
180
3600 70.0 78.0
1800 60.0 68.0
1200 & slower 55.0 63.0
210
3600 70.0 78.2
1800 60.0 68.2
1200 & slower 55.0 63.2
250
3600 75.0 83.4
1800 70.0 78.4
1200 & slower 60.0 68.4
280
3600 75.0 83.8
1800 70.0 78.8
1200 & slower 60.0 68.8
320
3600 75.0 84.0
1800 65.0 74.0
1200 & slower 65.0 74.0
360
3600 75.0 84.2
1800 65.0 74.2
1200 & slower 65.0 74.2
400
3600 80.0 89.5
1800 70.0 79.5
1200 & slower 65.0 74.5
440 3600 80.0 90.0
1800 70.0 80.0
1200 & slower 70.0 80.0
449
1800 85.0 97.8
1200 & slower 80.0 92.8
5000
3600 90.0 102.8
1800 85.0 97.8
1200 & slower 80.0 92.8
5800
3600 90.0 103.7
1800 90.0 103.7
1200 & slower 80.0 93.7
6800
1800 90.0 103.9
1200 & slower 85.0 98.8
8000
1800 90.0 104.7
1200 & slower 85.0 99.7
The noise levels shown in table 1.8.1 are
extracted from typical motor manufacturer’s
data/catalogue to provide the average expected
motor noise values at no load for reference only and
are not guaranteed. The values could vary
depending upon the test and surrounding conditions.
The combined noise level of the pump and the motor
could exceed the values shown. It is to be noted that
adding motors with similar noise levels increases the
total noise level. Therefore, the dB correction to the
values listed above is required to obtain the
combined noise levels of motor and the pump.
Actual on-site noise measurement by experts is
recommended and safety measures are to be taken
accordingly.
1.9 Specific machine performance
For performance parameters see section 1.5,
Duty
conditions. When the contract requirement specifies
these to be incorporated into User Instructions these
are included here. Where performance data has
been supplied separately to the purchaser these
should be obtained and retained with these User
Instructions if required.
2 TRANSPORT AND STORAGE
2.1 Consignment rec
eipt and unpacking
Immediately after receipt of the equipment it must be
checked against the delivery and shipping
documents for its completeness and that there has
been no damage in transportation. Any shortage and
or damage must be reported immediately to
Flowserve and received in writing within one month
of receipt of the equipment. Later claims cannot be
accepted.
Check any crates, boxes and wrappings for any
accessories or spare parts which may be packed