39
GB
7
aPPENDIX
7.1 technical specifications
Permissible inlet pressure range (p3 to p1)
Air (AIR)
1.1 to 20 MPa (11 to 200 bar)
Oxygen (O
2
)
1.1 to 20 MPa (11 to 200 bar)
Xenon (Xe)
1.1 to 6 MPa (11 to 60 bar)
Nitrous oxide (N
2
O)
1.1 to 6 MPa (11 to 60 bar)
Carbon dioxide (CO
2
) 1.1 to 6 MPa (11 to 60 bar)
Nominal outlet pressure (p2)
set to a fixed value of 1.1 MPa (11 bar) inlet pressure p1
Connection
Nominal outlet pressure p2 Nominal flow rate
NFS 90-116
350±50 kPa (3.5±0.5 bar) 40 l/min.
BS 5682
400±50 kPa (4.0±0.5 bar) 40 l/min.
Other connections
450±50 kPa (4.5±0.5 bar) 40 l/min.
The nature of the appliance design is such that the outlet pressure increases as the inlet
pressure (cylinder pressure) decreases (approx. 50 kPa (0.5 bar) at 200 MPa to 1.1 MPa
(200 bar to 11 bar)). The actual outlet pressure is determined by the flow rate and the
instantaneous inlet pressure.
Pressure relief valve
Opening pressure (8±0.5 bar)
Max. flow
220 l/min. air
Operating environment
Air humidity:
5% to 95% rel. humidity, non-condensing
