For
CHEMICAL PROCESSING INDUSTRIAL and other
AIR applications ...this new
CLARK
Centrifugal Compressor
T h e new Clark U n a t h e r m Centrifugal Air Compressor delivers high purity air a t unusually high hydraulic efficiency. Operating in a pressure range from 85 to 125 psia, the new compressor is a single case, four-stage design. To hold horsepower at a low level, the air stream is intercooled between each stage in basem o u n t e d intercoolers. By m o u n t i n g t h e compressors over the intercoolers, important savings in space requirements are realized. In addition to inherent compactness, the Clark design requires access to only one side for maintenance. The remaining three sides may be set flush against walls if required. Another feature of the new Clark Unatherm Compressor is the use of back-to-back impellers to balance out thrust load. Integral bearing construction and single case design limit bear-
ing and shaft sealing requirements to one at each end of the rotor and also eliminate alignment problems. Being a simple rotative machine, normal maintenance consists of an occasional inspection. If ever necessary, however, the upper half of the case can be removed without disturbing bearings or breaking pipe connections. The Clark Unatherm Compressor is an excellent choice for all industrial air uses requiring 110 psig air in capacities from 5,000 to 38,000 cfm. It is an ideal first stage compressor for oxygen plants, wind tunnels or soot blowing because of its unusual efficiency and air purity characteristics. The same advantages apply to base load, general industrial air applications where the complete absence of pulsation plus unusual compactness are also highly important features.
Circle No. GO on Readers' Service Card
36 A
INDUSTRIAL AND ENGINEERING CHEMISTRY
