Visual purification system monitors are standard with electronic monitors available for maximum protection. All service areas of the unit are to be readily accessible. The compressor pump is to be an American made three or four stage design, air cooled, pressure lubricated and designed specifically for continuous breathing air application, with no cooling interval shut-down required. The crankshaft utilizes 2 taper roller bearings opposed and needle bearings. The unit must be capable of starting under full load, with no bleed-down required.
Pistons are to be single-acting.
All pistons will have rings and are attached to the crankshaft via connecting rods. The driver is to be a single or three phase electric, gasoline or diesel motor. Enclosed v-belt with adjustable or gravity tension. A high efficiency moisture separator and micron filter is to precede the purification chamber. Cartridges are to be easily and safely changed, with no tools required.