Gast mild steel vacuum pump, model number 0823-101Q-G271X, serial number 1191, 1/2" threaded fitt...

Vac-U-Max 15hp positive displacement vacuum pump system, set up with a Sutorbilt GAEMBPA 4" rotar...

Vac-U-Max 5hp positive displacement vacuum pump system, set up with a Sutorbilt GACMBPA 2.5" rota...

Busch single stage rotary vane vacuum pump, model number RC0025.E506.1101, serial number U0259036...

Busch single stage rotary vane vacuum pump, type number RA 0250-B006-1001, serial number 0 6784, ...