Essential Health & Safety Requirements | 21
• Supply tubing and pressure regulator(s) for the purge system. This
line should be sized to assure that the pressure at the purge control-
ler inlet will not drop below 60psi (4 bar) with a flow of up to 350 L/
min. Installation of one or two regulators is required to assure that the
inlet pressure does not exceed the rated inlet pressure (60-115 psi) and
should allow for possible failure of one regulator to avoid hazards of
excessive air pressure on the enclosure.
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