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ASME B19.1 1995 Edition, January 1, 1995
Complete Document
Superseded By: CAGI 3075
Safety Standard for Air Compressor Systems
Additional Comments: W/D S/S BY CAGI B19.1 (CAGI 3075)
Page Count:32
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This Standard addresses all aspects of air compressor systems from the entrance to the inlet device through the compressor and associated heat exchangers, dryers, and pulsation suppression devices to the point of entry to the distribution system.

The following types of air compressor systems are specifically excluded from this Standard:

(a) those having ratings of 5 psig (0.34 bar gage) or less differential pressure. This eliminates fans and low pressure blowers, but includes mechanical air vacuum pumps;

(b) those having drivers rated at less than 1 1/2 horse-power (1.1 kW);

(c) those which operate as part of facilities for processing petroleum, petrochemicals, or chemicals, including air separation plants:

(d) those functioning as part of automotive and transportation equipment. Examples are truck air brake systems, aircraft air conditioning systems, and automotive emission control compressors;

(e) thermal compressors such as steam jet ejectors;

(f) turbochargers and superchargers that are part of a prime mover.