Danfoss Ball Valve, Type GBC for CO2 Applications (90 75 Bar) Datasheet
Summary
A high-performance shut-off ball valve, type GBC for R-744 (CO₂), engineered specifically for demanding refrigeration applications. These manually operated valves provide intrinsic standstill security, ensuring system integrity and reliable control even when power or service interruptions occur. This technical guide provides professionals with detailed specifications, pressure ratings (up to 90 bar), compatible refrigerants (R-744), and comprehensive dimensional charts necessary for precise installation and seamless integration into industrial cooling and commercial food retail systems.
Page 1 Text Content
Data sheet
Shut-off ball valve for high pressure Type GBC for R744 (CO2 - 90 bar)
Danfoss shut-off ball valves, type GBC for R744 (CO2) are manually operated shut-off valves for CO2 systems. The valves are specifically designed for intrinsic standstill security, meaning that the valves can withstand pressures normally arising when the refrigeration system is shut off, i.e. during serving or during unexpected power failure.
The valve structure and materials are designed and tested specifically for use with CO2 refrigerant. The valves are approved for use in all parts of the system with pressure ratings lower than the below stated Maximum Working Pressure, typically the liquid, suction, gas-bypass lines.
Features Slimline body – easy to install and service. Precision laser welded construction.
¼ turn from fully open to fully closed. Burst-proof spindle design. GBC for R744 is designed for: Valve seal of low friction, tight-sealing GBC 6s H – 28s H: 90 bar / 1305 psi modified PTFE Teflon®. GBC 35s H – 42s H: 75 bar / 1088 psi Drilled and tapped for panel mounting. max. working pressure. Relief hole design to release entrapped liquid. Rotation stops at fully open and fully close Selected O-ring material for CO2 refrigerant. positions. Advanced design ensures trusted bi-flow Indicator on spindle top shows if the valve is function. open or closed.
DKRCC.PD.FB0.B6.02 | 520H10452 | 1© Danfoss | DCS (sw) | 2016.07
Page Summary Contents For Danfoss Ball Valve, Type GBC for CO2 Applications (90 75 Bar) Datasheet
Manual Details
| Brand | Danfoss |
|---|---|
| Pages | 4 |
| File Size | 837.83 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
What refrigerants are these valves approved for?
The valves are qualified for R744 (CO2) and can handle oils like POE or PAG.
How do I ensure the valve is completely open or closed?
A ¼ turn movement takes the valve from fully open to fully closed. The indicator on the spindle top shows the current function status.
What are the pressure ratings for different models?
The GBC 6s H has a maximum working pressure of 90 bar / 1305 psi, while the GBC 35s H is rated at 75 bar / 1088 psi.
Are these valves suitable for all industrial environments?
They are qualified and approved for normal food retail applications; consult Danfoss if used in more aggressive environments like marine applications.