Technical data

EPI – New Delhi Volume-2B, Rev.0 Page 7 of 11
3) Temperature of air after air compressor too high Alarm and trip.
4) Pressure of air after after-cooler high - Alarm only.
5) Pressure of air after after- cooler too high- Alarm & trip.
6) Differential pressure across lube oil filter high - Alarm only.
7) Pressure of lube oil to compressor low - Alarm only.
8) Pressure of lube oil to compressor too low- Alarm & trip.
9) Temperature of lube oil to compressor high- Alarm only.
10) Cooling water supply pressure low - Alarm only.
11) Cooling water supply pressure too low - Alarm & trip.
12) Motor over load - Alarm & trip.
13) Manual tripping- Alarm only
TESTING
Unless otherwise stated, main equipment, valves and other ancillary units will
be tested to various stipulations stated in Indian Standards of BIS or any other
reputed international standard listed.
Recommended tests on Air Compressors are listed hereunder. Compressors
may be tested using a suitable shop motor.
i) Volumetric and overall efficiency (type test)
ii) Capacity (Routine test)
iii) Specific power consumption from no load to full load (Routine test)
iv) Speed (Routine Test)
v) Testing of unloader (Routine test)
vi) Safety valve test (Routine test)
All other tests will be performed in accordance with IS: 5456.
STANDARDS AND CODES
The complete system as a whole and individual equipment will be in accordance
with the Indian Standards, British Standards, DIN or American Standards like
ASME, ANSI or any other internationally accepted codes.