1-1 Scope of Application This document covers procedures and methods of tests, examinations and inspections to be performed to the Screw Compressor which has been manufactured and supplied by s. This test is performed to ensure that there are no leaks in the piping, compressor, or other pressure containing parts of the package. All openings in the completed compressor package are plugged and the unit is pressurized with nitrogen to 350 psig.
[pdf] Rotary screw electric air compressors provide a continuous supply of air. They have two internal screws that rotate in opposite directions, trapping and compressing air. The constant movement differs from piston air compressors that start and stop to meet air flow needs.
[pdf] The Positive Temperature Coefficient (PTC) thermistor causes the compressor “run” capacitor to be bypassed for a brief period of time at start up, creating extra starting torque in the compressor motor.
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