Features

•    Compact design with build-in orifice
•    Warm thermo head construction
•    All connections pipes are completely in copper
•    Valves with MOP function can be provided to assure reliable compressor operation
•    Applicable in a wide evaporation temperature range
•    Reliable and consistent performance of superheat control
•    Balanced Port – suitable for reversible cycles
•    Thermal bulb utilizes cross charge technology, providing consistent superheat degree over the whole evaporation temperature range

General Specifications

•    Applicable for all common HCFC and HFC refrigerants such as:
R22, R134a, R404A, R407C, R410A, R507
•    Ambient temperature min./max.: -35/+55°C

•    Medium temperature TS min./max.:  -40°C / +70°C
  -60°C / +70°C
•    Max. operating pressure PS: 2,1 … 4,5 MPa  (21 … 45 bar)
1) Max. operating pressure is related to the used refrigerant

•    Installation position: -  Preferably valve head upwards
            - Main flow direction from inlet A to outlet B
•    Certifications: UL/CSA and PED declaration

Technical parameters

•    RFGD valves are available in straight shape with adjustable superheat on site
•    RFGD valves are available with the following solder connections
- Metric:    Inlet 10mm ODF/ Outlet 16mm ODF    or
        Inlet 12mm ODF/ Outlet 22mm ODF    or
Inlet 16mm ODF/ Outlet 22mm ODF
- Imperial:      Inlet 3/8” ODF/ Outlet 5/8” ODF or
        Inlet 1/2” ODF/ Outlet 7/8” ODF or
Inlet 5/8” ODF/ Outlet 7/8” ODF
•    RFGD valves are available with 3 different temperature ranges:
- from -40°C to +10°C
- from -40°C to -5°C
- from -60°C to -25°C
•    Equalization port available as option: 
- Metric:    6mm ODF    (available for models with metric solder connections)
- Imperial:      1/4” ODF    (available for models with imperial solder connections)
•    Capillary tube length 1500mm as standard. Different length customizable on request.
•    Standard MOP values:
- T. range -40°C to +10°C:    MOP: +15°C or MOP not present
- T. range -40°C to -5°C:     MOP: 0°C
- T. range -60°C to -25°C:    MOP: -20°C

Dimensions

Note: the drawing represents a model with External Pressure Equalization

Technical data

Note:     1) Nominal capacities referred at the following working conditions:
     Condensing temperature: 38°C; evaporating temperature +4,4°C; Liquid temperature 37°C
    Static Super Heating: 3,5K    
2) R407C data based on dew point conditions
3) Model Name in this table is referred to the first 4 positions of the model designation

Model list

Without Internal Equalization

With Internal Equalization

RFGD Standard Range

Models with Metric connections

Models with imperial connections