Danfoss GBCH Series User manual

Installation guide

Shut-o ball valve

Type GBCH 6s to GBCH 42s

009R8516

Refrigerant:

R744 (CO2)Max. working pressure:

GBCH 6s - 28s: PS/MWP = 90 bar / 1305 psig

GBCH 35s - 42s: PS/MWP = 75 bar / 1085 psig

Temperature range:

-40 °C – 100 °C / -40 °F – 212 °F

Warning: Applicable to all common non-ammable 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)

90 bar

1305 psig

Danfoss

9G8043

Opening valve

90 bar

Danfoss

9G8045

Valve size Max. Torque

Nm ft-lbs

6s - 22s 7 5.2

28s 26 19.2

35s 27 19.9

42s 48 35.4

OPEN Position CLOSED Position

Danfoss

90 bar

psig

Danfoss

9G8046

Danfoss

90 bar

psig

Danfoss

9G8047

Brazing (Copper and Copper alloy)

Danfoss

9G156.14

Welding (stainless steel)

Danfoss

9G208

Install Schrader valve (if present) and cap

90 bar

1305 psig

Danfoss

9G8071

Tighten cap Tighten the cap with approx. torque

Valve size Max. Torque

Nm ft-lbs

6s - 22s 15 11.0

28s - 35s 20 14.8

42s 32 23.6

90 bar

Danfoss

9G8048

Danfoss

9G207

Danfoss

9G207

Danfoss

9G207

Min. 5% Ag

Install Schrader valve

with approx. torque

0.3 Nm / 0.2 ft-lbs

Max. 100 °C / 212 °F

Fully openFully closed

Wet cloth must cover the label !

This manual suits for next models

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