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SGB Batch Blender with Mitsubishi Controller Page 43 of 118
4-6 Pneumatic Installation
The SGB blending system uses plant-supplied compressed air to operate the
metering and dump valves on the blender.
CLEAN AND DRY air must be supplied to the blender. The air supply should be
filtered through a 5 micron air filter with a water separator. Oil should not
be used
unless air dryers are installed on the compressed air supply. In this situation, an
oiler may be required on the blender to keep the air cylinder seals lubricated.
Important! As this blender uses air for blender metering functions, it is
very important to supply clean, dry air to the blender. Dirty or
oily air can affect blender accuracy, result in poor performance
and cause injury. Provide a 5-micron air filter on the air supply
to the blender, and be sure excess oil is removed.
5 MICRON
FILTER
DRY 60 psi COMPRESSED AIR
LUBRICATOR
PRES SURE
REGULATOR
OS/OA BLENDER
CUSTOMER-SUPPLIED COMPRESSED AIR COMPONENTS
Sterling provides all pneumatic lines on the blender piped to a single ¼” NPT
standard pipe thread fitting. The SGB blending system requires approximately 1
cfm (1.7 m³/hr) @ 60 psi (4.14 bar) maximum air pressure for proper operation.
The working pressure of the blender cylinders is not to exceed 60 psi (4.14 bar).
This is adjustable by the regulator supplied on the rear panel of the blender. It is
important to prevent fluctuation in the air pressure to the blender by not installing
the unit on an airline. If this is the case, an accumulator tank with a check valve
may have to be provided by the customer to ensure the blender a steady air
supply.
CAUTION!
To prevent damage to the equipment, do not exceed 60 psi (4.14
bar) air pressure.
Always disconnect the compressed air supply when working on
any part of the blender.
4-7 Blender Set-up
4-7-1 Description and Objectives
This section will discuss the mechanical setup and control system setup
of the SGB blending system. After reading this section, you should be
familiar with the mechanical setup and the electronic control setup of the
SGB