E c o n o m y M a n i f o l d
P a g e : 6
Relief pressure settings vary with gas service as follows:
Line pressure
Oxygen
75 psi
75 psi
75 psi
75 psi
Carbon
Dioxide
Nitrous
Oxide
Medical
Air
Relief pressure settings vary with gas service as follows:
Line pressure
Relief valve
Oxygen
75 psi
[517 kPa]
75 psi
[517 kPa]
75 psi
[517 kPa]
75 psi
[517 kPa]
225 psi
[1551 kPa]
225 psi
[1551 kPa]
225 psi
[1551 kPa]
225 psi
[1551 kPa]
225 psi
[1551 kPa]
350 psi
[2413 kPa]
Nitrogen
Carbon
Dioxide
Nitrous
Oxide
Medical
Air
Operating pressure
Relief valve
3. CONTROL COMPONENTS
The Amico manifold qualifies as a “
Cylinder System Without Reserve Supply
” as classified in
NFPA 99, Clause 4-3.1.5. This is one category of the broader classification “
Central Supply
System
” which encompasses many types of sources of supply to nonflammable medical gas
piping systems.
As such, the Amico manifold is comprised of two banks of cylinders which alternately supply
the pipeline, each having various control components. When the primary bank is exhausted,
the pressure drops as the secondary takes over. The pressure will stay low until the “Reserve”
is manually switched to “In Use” and the “In Use” is manually switched to “Reserve”.
4. WARNING SYSTEM COMPONENTS
The Amico economy manifold has the capability to be connected to external devices whose
function is to give continuous information as to the state of operation of the system i.e.: an alarm
condition.
