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 filters; (ii) Type of filters. (5) The engine system: (i) Number of cylinders and configuration (L-6, V-8, V-12); (ii) Displacement; (iii) Horsepower; (iv) Full load rpm. (6) Type cooling system, e.g., air cooled, water cooled. (7) Fan: (i) Diameter; (ii) Maximum fan rpm. (8) The compressor enclosure: (i) Height, length, and width; (ii) Acoustic material manufacturer, type, part number. (9) The induction system (engine): (i) Natural; (ii) Turbocharged. (10) The muffler: (i) Manufacturer; (ii) Manufacturer part number; (iii) Quantity of mufflers used; (11) Category parameters listed at § 204.55-2.