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CCMT Electric Regulating Valve
Brand: Danfoss
The CCMT is an electrically operated valve designed specifically for operation in CO₂ systems.
The CCMT valve concept is designed to fulfil global refrigeration requirements.
The valve is capable of functioning either as an expansion valve, as a pressure regulator for the gas cooler or as a gas bypass valve with backpressure regulation in transcritical or subcritical applications.
Features- Designed for CO2 systems with maximum working pressure of 140 bar / 2,030 psig
- Applicable to R744 (CO2) and other common refrigerants. The CCMT is compatible with the oil types PAG, POE and PVE
- Regulating cone ensures optimum regulating accuracy, particularly at part load
- Patented cone and balance design
- The PEEK seat provides excellent valve tightness and robustness
- Combined butt weld and solder connections
- Top part with built-in strainer / filter
- MOPD up to 90 bar / 1,305 psi
- CCMT 16 – CCMT 42 is available with or without integrated pressure transmitter
- Standard M12 connector for simple and flexible connection to the motor driver
- Low weight and compact design
- Easy to service. Insert easily taken out by removing top part
- For manual operation and service of the CCMT an AST-g service driver is available
Specifications
Brand
Ambient Temperature Range
- -40° to 60° C (-40° to 140° F)
Applications
- Used in Systems with Flash Gas Bypass & High Pressure Regulation, Parallel Compression as well as in Stand-Alone Applications
- Used in Transcritical CO₂ & Subcritical Applications
Approvals & Certifications
- CE
- CRN
- EAC
- NEC Class 2
- PED Fluid Group I, Article 3, Paragraph 3
- UL
Cable Material
- Chlorinated Polyethylene (CPE Grey) with 6.6 to 16.4 feet (2 to 5 metres)
- PVC Black with 6.6 to 26.2 feet (2 to 8 metres)
Current
- Using Chopper Drive: 100 mA RMS -4 % + 15 % - Phase Current for CCMT 2 - CCMT 8
- Using Chopper Drive: 300 mA RMS -4 % + 15 % - Phase Current for CCMT 16 - CCMT 42
Duty Cycle
- 100 % Duty Cycle is Allowed
- 20 % Recommended
Electrical Connectors
- 4-Wire: 20 AWG (0.5 mm²) - for CPE Grey Cable
- 4-Wires: 22 AWG (0.33 mm²) - for PVC Black Cable
- M12 Male Connector with 1 feet (0.3 metres)
- Round Packard Metripack - for CCMT 16 - CCMT 42
Environmental Protection
- IP67
Filter
- 250 microns - for CCMT 16 - CCMT 42
Flow Rate
- 0.17 to 4.2 Kv (m³/hour)
Materials of Construction
- Stainless Steel
Maximum Opening Pressure Differential
- psi: 1,305 (kPa: 900, bar: 90)
Motor Type
- Stepper Motor: Bi-Polar Permanent Magnet
O-Ring Material
- Viton
Operating Pressure
- psig: 2,030 (kPa: 14,000, bar: 140) - Max.
Output
- 10 to 90 % of Supply Voltage - for CCMT 16 - CCMT 42
Power
- Current Drive: 1.3 W - Max.
- Current Drive: 2.8 W - Max.
- Voltage Drive: 10 W - Max.
- Voltage Drive: 5.5 W - Max.
Pressure Range
- psi: -14.5 to 2,306 (kPa: -100 to 15,900, bar: -1 to 159) - for CCMT 16 - CCMT 42
Resistance
- 29 ohms ± 10 % - Phase Resistance for CCMT 16 - CCMT 42
- 52 ohms ± 10 % - Phase Resistance for CCMT 2 - CCMT 8
Seat / Seal Material
- Seat: PEEK
Supply Voltage
- 5 Vdc ± 0.5 V - for CCMT 16 - CCMT 42
Temperature Range
- -40° to 80° C (-40° to 176° F) - for CPE Grey Cable
- -50° to 80° C (-58° to 176° F) - for PVC Black Cable
- Refrigerant Temperature: -40° to 60° C (-40° to 140° F)
Tube Connection
- 1-1/8” Tube
- 5/8” Tube
Welded Connection
- 1” Butt Weld End
- 1/2” Butt Weld End