SPX FLOW Johnson pump, Инструкция по эксплуатации, Страница: 27 / 57

KGE/EN (1711) 6.5
Start-up 25
KGE
4 Start-up
• Check whether it is safe to put the pump into operation. Make sure any
risks to persons and environment (high pressure, hot temperature, leakage)
are absolutely excluded.
• A protective cover which completely encloses the coupling must always be
used.
• Start the pump.
• During the pump's sel-fpriming phase, ensure that the air can escape unhindered and,
without any back pressure in the discharge pipe, can flow away.
• In particular, make sure any pressure cut-off valves are open.
• Check if connections and seals are not leaking.
4.1 Temperature
The temperature of the pumped liquid may rise to 95°C. Above 65°C, the installer of the
pump
must place the necessary warnings and employ the necessary protection
methods to avoid anyone coming into contact with the pump body.
4.2 Noise emission
• The noise emission of the KGE pump is 80 dBA maximum, measured according to
ISO2372, in case the pump is used in accordance with the conditions given in the
performance curve (refer to chapter 8 "Technical specifications").
• If the pump is used in unusual conditions (e.g. in the cavitation zone or wholly above
the curve), the noise level can rise to 85 dBA. and protection measures must be taken,
such as the wearing of ear protectors, or completely encasing the pump within a
sound absorbent shield.
4.3 System pressure
The maximum system pressure = maximum working pressure , given on the
technical data sheet. If the pressure could exceed this value (through an increase in the
rotation speed), a safety valve should be installed in the pipe. Where these pumps pump
liquids with solid components, there is a great chance that this valve will block. It is
therefore very much to be preferred never to allow the pump to run faster than specified
in the tables.
!
If no fluid is pumped, leakings appear or if excessive noise is apparent, the
pump must be stopped immediately. Consult table in chapter 5 "Trouble
shooting" to determine the problem. Correct before restarting the pump. If
abnormal symptoms persist, the pump must be taken out of service
immediately. Contact the pump manufacturer or appointed agents.