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Small cone RPV valves with integrated manometer - C878/C879
The C878/C879 is a small cone brass cylinder valve for oxygen and oxygen mixtures and for small sized cylinders. It is equiped with an integrated pressure gauge and a residual pressure device in order to avoid ingress of humidity in the cylinder.
Key advantages
  • Compact high pressure brass cylinder valve for oxygen and oxygen mixtures (>20% O2) service and for small sized cylinders
  • Specific filling adaptor required
  • Residual pressure valve inline execution
  • Permanent gas tight seal
  • π marking according TPED directive
  • Tested according EN ISO 10297 and ISO15996 standards
  • Adiabatic compression tested to avoid oxygen ignitions
  • Compatible with medical oxygen
Specifications
Working pressure pmax.200 bar
Gas typeO2, N2O
Seat orifice size2,5 Mm
Helium leak rate at pmax.internal 10-3 mbarl/sec external 10-3 mbarl/sec
materialhand: wheel aluminium, seat: PA 6.6, O-rings: EPDM, body: brass
In- and outlet connectionsin accordance with all country standards (details p.70)
Cv0,2
SafetyC878 : No C879 : Yes
Temperature range-20 to +65 °c
Dimensional drawings
Drawing
Product Configurator
 
Safety
Gas type
Safety set up
Body material
Actuation
Inlet
Outlet
Pin length
Reference point
Dip tube
Gas
C8
7
8
0
L
A
17E
9
7
F
0
O2
 
Without
7
O2
8
Inert
9
Without
0
Burst disc 190 bar
190
Burst disc 250 bar
250
Burst disc 270 bar
270
Other
Brass
L
Chrome plated brass
CL
Handwheel - standard
A
Painted handwheel
B
Handwheel with logo cap
C
Key operated Square 7.8
D
Key operated 5.9 x dia 9.3
E
17E EN ISO 11116
17E
M 18 x 1,5 - 18P EN ISO 15245-1
18P
Other
DIN 477- 1 Nr.9
9
DIN 477- 1 Nr.10
10
Other
7
7
7,5
7,5
Other
Front Sealing
F
ø 10
1
ø 14
2
Other
Without
0
M10 x0,75
M1
Other
O2
O2
N2O
Inert & Mix (IM)
Gas list P.91
Downloadable catalogs, brochures
  • Download
    Industrial cylinder valves
    Last update: Jul 12, 2023
    Available in: en
  • Download
    Medical Valve Solutions
    Last update: Feb 19, 2024
    Available in: en
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