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Transpector CPM Operating Manual
1.10 Air Pressure Requirements
1.10.1 Required Air Pressure
Dry compressed air (or dry nitrogen) is used to operate the electro-pneumatic inlet
valves. The minimum air pressure required to operate the inlet valves is
58 psi (gauge) (4 bar) [400 kPa]. Recommended setting is 75-80 psi (gauge)
(5.17 to 5.52 bar) [517 kPa to 552 kPa].
1.10.2 Air Pressure Range
The air pressure range is 58–100 psi (gauge) (4–6.9 bar) [400–690 kPa].
Recommended setting is 75-80 psi (gauge) (5.17 to 5.52 bar) [517 kPa to
552 kPa].
Air pressure must not exceed 100 psi (gauge)
(6.9 bar) [690 kPa].
Air pressure must be at least 58 psi (gauge) (4 bar)
[400 kPa].
1.10.3 Moisture Content of Compressed Air Supply
The compressed air supply used for inlet valve operation must be dried to the
extent that changes in compressed air pressure during operation will not produce
condensation in lines, solenoids or valve actuators.
Moisture condensation can cause corrosion.
1.10.4 Air Pressure Connections
The compressed air supply connects to the CPM solenoid with 6.35 mm (1/4 in.)
polymer hose. The 6.35 mm (1/4 in.) connector is a friction-lock, right-angle fitting
to adapt the supply hose to the solenoid base.
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