Danfoss GBC Series Installation Manual

Installation guide
Shut-off ball valve for R744 (45 bar/650 psi)
Type GBC 6s to GBC 54s
Refrigerant: R744 (CO
Temperature range: -40 – 150 °C / -40 – 300 °F
Applicable to all common non-flammable refrigerants, excluding R717. Also for noncorrosive
gases/liquids dependent on sealing material compatibility.
The design pressure shall not be less than the value outlined in Section 9.2 of ANSI/ASHRAE 15
for the refrigerant used in the system.
Warning: Only authorized persons are allowed to operate this valve, as closing
can cause build-up of excessive pressure in the system.
For the application use with R744 as part of a secondary loop or cascade system should
refer to the datasheet for more attentions.
1
Remove access cap (if present)
2
Opening valve
OPEN position
© Danfoss | DCS (sw) | 2017.03
)
2
Component
to be insulated
Danfoss
9G230.11
Danfoss
9G227.10
Max. working pressure (PS/MWP):
45 bar/650 psi
Single-flow
Valve size
6s - 22s
28s
35s
42s - 54s
CLOSED position
Danfoss
9G219.10
Max. Torque
Nm ft-lbs
7 5.2
17 12.6
20 14.8
34 25.2
Danfoss
9G228.10
DKRCC.PI.FB0.C5.02 | 1