Danfoss GBCH Series Installation Manual

Installation guide
Shut-off ball valve
Type GBCH 6s to GBCH 42s
Refrigerant:
R744 (CO )
2
Temperature range:
-40 °C – 100 °C / -40 °F – 212 °F
Warning: Applicable to all common non-flammable refrigerants, excluding R717 and to
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. 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.
Remove cap and access cap (if present)
Opening valve
90 bar
OPEN Position
© Danfoss | DCS (jmn) | 2018.03
s s f o a n D
90 bar
psig
Max. working pressure:
GBCH 6s - 28s: PS/MWP =
GBCH 35s - 42s: PS/MWP =
90 bar
1305 psig
Valve size
6s - 22s
28s
35s
42s
CLOSED Position
90 bar / 1305 psig
75 bar / 1085 psig
Max. Torque
Nm ft-lbs
7 5.2
26 19.2
27 19.9
48 35.4
s s f o a n D
90 bar
psig
DKRCC.PI.FB0.I1.02 | 520H12717 | 1