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1 General Information

1-1 Equipment Function

Sterling conveying systems create vacuum for conveying
pelletized or granular material in a central material handling
system.
A typical use is an in-plant distribution system for plastic
processing plants.

1-2 Necessary Documents

The documents below are necessary for proper installation,
operation and maintenance of Sterling conveying systems.
You can obtain additional copies from the Service
Department at Sterling. Make sure that the appropriate
personnel are familiar with these documents:
• This product manual.
• The Sterling SPD/SPC product manual.
• Electrical schematic and connection diagrams.
• Blower and electric motor information sheets.
• Operation and Installation manuals for all electrical
components.

1-3 System Capabilities

Sterling central vacuum systems are as varied as the
applications they service. The tubing and equipment
furnished in a Sterling system are designed to convey the
material(s) specified at the time of purchase at specific rates
and distances.
Sterling can advise you on your system capabilities based
on system makeup, distance, material, and conveying rates
you want.
System capacity is directly affected by the pressure
drop in the overall system, such as number of material
line bends, pipe length, Y-tubes, T-tubes, etc.