FSI PROFESSIONAL Series, Operation Manual

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FSI manufactures the liquid-blown and froth foam dispensing equipment to exacting standards.
The SLUG PRO gun is a precision instrument designed for dispensing polyurethane foam systems.
Although extremely durable, reasonable care in handling should be exercised to prevent abuse.
Cleaning and maintenance should be done on a regular basis to insure proper function and longevity
of the equipment.
The complete unit consists of the following basic components:
1. MIX PROBE ASSEMBLY
2. SLUG PRO GUN HEAD
3. FLOW CONTROL ASSEMBLY
4. HOSES
5. STRATOFLEX ASSEMBLY
6. NITROGEN REGULATOR(S)
7. HEAT CONTROL UNITS
8. TIMING UNITS
MIX PROBE ASSEMBLY
The isocyanate and polyol chemicals complete the mixing process by passing through a specific
size mix element. Mixing action is accomplished by sub-dividing the stream of chemicals into many
different layers so thin that the chemicals are literally blended together. Mixing is further increased by
air nucleation.
Mix tubes are size-specific for the 6, 15, 30, 45 & 60-PPM (Pound Per Minute) dispensing units. The
tubes consist of a polypropylene tube and a polypropylene, butterfly-style-mixing element. The mix
tube attaches to the gun by the threads on the mix cartridge.
SLUG PRO GUN HEAD
The main body of the SLUG PRO gun consists of an air-open/air-closed cylinder, mix cartridge, rod,
and handle. All are machined from the 2024T6 hardened aircraft aluminum. This allows for minute
tolerances and easy interchangeability. These parts are the same for all of the different gun outputs.
The right and left wings bring the two chemical streams together into the SLUG PRO mix cartridge.
The air cylinder and wings allow the unit to operate without solvent. The gun head also consists of
ball valve units for chemical supply streams, a trigger switch, a constant-flow air purge valve, nitrogen
supply slide safety valve, and an air-solenoid air-block assembly.
FLOW CONTROL ASSEMBLY
The flow controllers are the center of the mechanical system. Flow controllers maintain the ratio of the
isocyanate and polyol components. Flow controllers are size-specific for the 6, 15, 30, 45 & 60-PPM
gun outputs.
EQUIPMENT DESCRIPTION
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