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Features
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SpecificationsWhere indicated, supply and install "Emergency Low Pressure Gaseous
Oxygen Inlet" service box. The completed box shall incorporate a
shutoff ball valve for controlling access to the main oxygen supply line.
Also, include a pre-piped pressure relief valve, pre-set at 80 PSI, installed
directly down stream from the shut-off valve to protect the piping system
from expsure to excessive presssure. An internal 0 100 PSI pressure
gauge shall be installed within the box to verify delivery pressure to
the system. All equipment shall be housed in a NEMA 12 protective cabinet with provisions
for padlock installation to prevent tampering and unauthorized access. In addition to the "Emergency Low Pressure Gaseous Oxygen Inlet"
service box provided and install, as separate items, two check valves.
One inch check valve located in the main line between the main
line shut off valve and the tied connection, and one inch check
valve between the tied connection and the emergency supply shut off valve.
All per NFPA 99C, "Emergency Low Pressure Gaseous Oxygen Inlet". |
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