Heavy-duty, rotary, positive displacement vacuum blower system. 
Rated up to 1,050 CFM - depending on machine configuration, materials and application. 
System consists of an intake filter, positive displacement blower and exhaust silencer. 
Inlet filter housing equipped with an 11"OD / 6"ID 8-bolt pattern flanged inlet, 
pneumatic vacuum breaker, vacuum gauge, differential pressure gauge, diaphragm vacuum switch and (2) vacuum relief valves. 
Sutorbilt, Model GAGMCPA, blower is equipped with 7" diameter gears and powered by a 30 HP belt driven motor. 
Stoddard, Model D33H-6, chamber-absorption exhaust silencer is equipped with an 11"OD / 6½"ID 8-bolt pattern flange connection. 
System mounted on painted common base frame.