2: Description ShopTek™ ST4, ST5, ST7, ST11, ST15 Three-phase 60 Hz User Manual
88292018-236 R00
18 Subject to EAR, ECCN EAR99 and related export control restrictions.
2.6 Air inlet system, functional
description
Refer to Figure 2-7 and Figure 2-8. The compressor inlet
system consists of a dry-type air filter and an air inlet
valve.
The poppet-type air inlet valve controls the compressor’s
air int
ake volume. Refer to Full load mode—50 to
127 psig (3.4 to 8.8 bar) o
n page 15. The air inlet valve
also acts as a check valve to prevent reverse rotation
whe
n the compressor is shut down.
Figure 2-7: Air inlet system—ST4, ST5, ST7
1. Air inlet filter 4. Clamp
2. Clamp 5. Compressor unit
3. Inlet tube
WARNING
“The Plastic Pipe Institute recommends against
the use of thermoplastic pipe to transport com-
pressed air or other compressed gases in
ex
posed above ground locations, e.g. in
exposed plant piping.”
1
Sullube
®
should not be used with PVC piping
systems. It may affect the bond at cemented
joints. Certain other plastic materials may also
be affected.
1
Plastic Pipe Institute, Recommendation B, Adopted
January 19, 1972.
Figure 2-8: Air inlet system—ST11, ST15
1. Air inlet filter 3. Inlet adaptor
2. Clamp 4. Compressor unit
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