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Screw Compressors MA SD 75-200

Screw Compressors MA SD 75-200
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TECHNICAL INFORMATION Pressure Drive power SCREW COMPRESSORS Air ﬂow rate measured according to standards ISO 1217, ed.4, ANNEX E – 2009. Earthing screw Electrical cable inlet Screw element and motor with permanent magnets Dual housing for oil cooling of IP65 motor The rotor of the PM motor is mounted directly on the shaft of the screw element, without gears or belts, clutch-free, and no transmission losses. Installation is easy, no customisation. The PM motor has no bearings, so the motor is 100% maintenance free. The dual engine housing uses a compressor oil circuit for efficient cooling. This helps prevent demagnetisation of the PM motor. The efficiency of the PM motor is higher than in the case of premium IE3 motors. Air oil separator The richly dimensioned air oil separator with its cyclonic separation effect effectively separates the oil from the compressed air so that the oil content at the outlet is less than 3 ppm. The pressure drop of the separator is less than 0,02 MPa. Compressors for continuous operation Due to their robust design and the use of highquality components, these compressors are designed for applications where reliable and continuous operation is requir

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Modern controller with touch screen PRINCIPLE OF OPERATION • In the initial start-up phase, the electric motor (14) (with “star” power supply) rotates slowly. The solenoid valve is not powered, and therefore the suction valve (3) remains closed. The solenoid valve is powered and the suction valve (3) is open, enabling the passage through the suction filter (12). The length of this phase is adjustable. • During the second phase of the “delta”, the power supply accelerates the motor until it reaches its operating speed. The solenoid valve is powered and the suction valve (4) opens, which...

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