Centrifugal Air Compressor Study Unit
Categories: Fluid MechanicsThe study unit allows to study the main characteristics of a centrifugal air compressor. The wheeled bench is equipped with a front panel, on which are placed the maneuvering devices and all the neces...
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Description
The study unit allows to study the main characteristics of a centrifugal air compressor. The wheeled bench is equipped with a front panel, on which are placed the maneuvering devices and all the necessary tools for carrying out the tests.
TRAINING PROGRAM
• System start up
• Inlet and Outlet compression temperatures measurement
• Inlet Compressor air flow rate measurement
• Power and efficiency of a centrifugal compressor
• Air flow rates with unified throttling devices measurements
• Checks and calibrations of the safety organs (pressure switch, pilot valve)
• Measurement of load losses with different pipes
• Compressor performance at variable speed
TECHNICAL SPECIFICATIONS
Single-stage two-cylinder reciprocating compressor, controlled by a belt drive by an electric motor c.a. with frequency variator:
• No-load device and pilot valve
• Supply check valve
• Flow rate: 260 l/min (referred to the suction conditions)
• Max flow pressure: 9 bar
• Rpm sensor
Air tank:
• Capacity: 100 l
• 0÷10 bar dial gauge
• 1÷9 bar adjustable pressure switch, for compressor insertion and deactivation
• Safety valve
• Exhaust valve
Device for measuring the air flow aspirated by the compressor:
• Calibrated flange mounted on damping vessel
• Differential micromanometer with inclined scale for measuring the differential pressure at the flange
Group of flow rate measurements and load losses
• N. 3 diaphragms calibrated to UNI standards calculated for a max. Full scale capacity of 300 l/min, mounted on a 3/4“
pipe and complete with a throttle valve downstream and pressure taps
• N. 5 pipes of different diameter, shape and length, for the determination of pressure losses according to the air flow,
complete with throttle valve downstream and pressure taps
• Pressure reducing valve
• Flowmeter for measuring the air flow rate with regulation range 0 ÷ 25,000 l/h
• “U” differential pressure gauge 0 ÷ 300 mmHg for the measurement of differential pressure and load losses respectively in calibrated diaphragms and in pipes with different profiles
• N. 2 Pt100 resistance thermometers for measuring the air temperature upstream of the diaphragms and the pipes under test
• N. 2 pressure gauges with 0 ÷ 10 bar dial
Electric control panel:
• Digital multimeter to measure: voltage, current and power drive motor
• N. 2 digital thermometers for instant reading of the temperature
• Differential magnetothermal switch
• Voltage presence warning lamp
• Power supply: 230 Vac 50 Hz single-phase - 2,2 kVA (Other voltage and frequency on request)
quick overview :
The study unit allows to study the main characteristics of a centrifugal air compressor. The wheeled bench is equipped with a front panel, on which are placed the maneuvering devices and all the necessary tools for carrying out the tests.
TRAINING PROGRAM
• System start up
• Inlet and Outlet compression temperatures measurement
• Inlet Compressor air flow rate measurement
• Power and efficiency of a centrifugal compressor
• Air flow rates with unified throttling devices measurements
• Checks and calibrations of the safety organs (pressure switch, pilot valve)
• Measurement of load losses with different pipes
• Compressor performance at variable speed
TECHNICAL SPECIFICATIONS
Single-stage two-cylinder reciprocating compressor, controlled by a belt drive by an electric motor c.a. with frequency variator:
• No-load device and pilot valve
• Supply check valve
• Flow rate: 260 l/min (referred to the suction conditions)
• Max flow pressure: 9 bar
• Rpm sensor
Air tank:
• Capacity: 100 l
• 0÷10 bar dial gauge
• 1÷9 bar adjustable pressure switch, for compressor insertion and deactivation
• Safety valve
• Exhaust valve
Device for measuring the air flow aspirated by the compressor:
• Calibrated flange mounted on damping vessel
• Differential micromanometer with inclined scale for measuring the differential pressure at the flange
Group of flow rate measurements and load losses
• N. 3 diaphragms calibrated to UNI standards calculated for a max. Full scale capacity of 300 l/min, mounted on a 3/4“
pipe and complete with a throttle valve downstream and pressure taps
• N. 5 pipes of different diameter, shape and length, for the determination of pressure losses according to the air flow,
complete with throttle valve downstream and pressure taps
• Pressure reducing valve
• Flowmeter for measuring the air flow rate with regulation range 0 ÷ 25,000 l/h
• “U” differential pressure gauge 0 ÷ 300 mmHg for the measurement of differential pressure and load losses respectively in calibrated diaphragms and in pipes with different profiles
• N. 2 Pt100 resistance thermometers for measuring the air temperature upstream of the diaphragms and the pipes under test
• N. 2 pressure gauges with 0 ÷ 10 bar dial
Electric control panel:
• Digital multimeter to measure: voltage, current and power drive motor
• N. 2 digital thermometers for instant reading of the temperature
• Differential magnetothermal switch
• Voltage presence warning lamp
• Power supply: 230 Vac 50 Hz single-phase - 2,2 kVA (Other voltage and frequency on request)
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