204.55-3—Configuration identification.
(a)
A separate compressor configuration shall be determined by each combination of the following parameters:
(1)
The compressor type (screw, sliding vane, etc.).
(2)
Number of compressor stages.
(3)
Maximum pressure (psi).
(4)
Air intake system of compressor:
(i)
Number of cylinders and configuration (L-6, V-8, V-12);
(6)
Type cooling system, e.g., air cooled, water cooled.
(8)
The compressor enclosure:
(i)
Height, length, and width;
(ii)
Acoustic material manufacturer, type, part number.
(9)
The induction system (engine):
(ii)
Manufacturer part number;
(iii)
Quantity of mufflers used;
(11)
Category parameters listed at § 204.55-2.