Installation
24
TT Twin-Screw Pump -
Installation, Operation & Maintenance Manual
Installation
Pre-installation
Precautions
WARNING:
When installing in a potentially explosive environment ensure that the motor is properly
certified
All equipment being installed must be properly grounded to prevent unexpected
discharge. Discharge causes equipment damage, electric shock and can result in serious
injury. Test the ground lead to verify it is connected correctly.
NOTICE:
Electrical connections must be made by certified electricians in compliance with all
international, national, state and local regulations
Supervision by an authorized CIRCOR representative is recommended to ensure proper
installation. Improper installation may result in equipment damage or decreased performance
Pump location guidelines
Guideline
Explanation/comment
Locating the pump as near to the source
of fluid supply as possible is advisable
This minimizes the friction loss and keeps the suction piping
as short as possible.
The location should be well lit and dry
with enough room to perform routine
maintenance
This facilitates ventilation, inspection, maintenance, and
service.
Ensured space enough for rigging, lifting
equipment etc. such as a crane, hoist or
tackle..
This makes it easier to properly use the lifting equipment
and safely remove and relocate the components to a safe
location.
Protect the unit from weather and water
damage due to rain, flooding, and
freezing temperatures.
If you find it necessary to locate the unit in a pit, be sure to
make provisions to prevent flooding.
Do not install and operate the equipment
in closed systems unless the pump or
system is constructed with properly-sized
safety devices and control devices.
Acceptable devices:
• Pressure relief valves (integral to the pump or system
mounted)
• Pressure controls
• Temperature controls
• Flow controls
If the system does not include these devices, consult with
the engineer in-charge before you operate the pump.
Take into consideration the occurrence of
unwanted noise and vibration.
The best pump location for noise and vibration absorption is
on a concrete floor with correctly compacted and
mechanically stabilized subsoil underneath.
If the pump location is overhead,
undertake special precautions to reduce
possible noise transmission.
Consider a consultation with a noise specialist.
