The DANFOSS 034G4203 is a heavy-duty industrial electronic expansion valve engineered for precise refrigerant mass flow control in commercial and industrial refrigeration systems. This valve utilizes a stepper motor actuator to provide accurate, bidirectional positioning of the valve cone, ensuring optimal superheat management across varying load conditions.
DANFOSS 034G4203 Technical Specifications
| Model | 034G4203 |
| Type | Electronic Expansion Valve (EEV) |
| Actuation | Stepper Motor, 12V DC |
| Refrigerant Compatibility | R410A, R32, R290, R744 (CO2), R134a, R404A, R507A |
| Connection Size | 3/8 in. ODF Solder |
| Orifice Size | 2.5 mm |
| Operating Pressure | Up to 45 bar (653 psig) |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
| Flow Direction | Bidirectional |
| Mounting | Any orientation |
Key Engineering Features
- Stepper motor actuator with 0-100% linear positioning for precise superheat control
- Bidirectional flow capability simplifies system piping and defrost cycles
- Compatible with a wide range of refrigerants including natural refrigerants (CO2, propane)
- Hermetic stainless steel construction with laser-welded body for leak-free operation
- Integrated filter screen protects internal components from debris
- Designed for use with Danfoss EKC 316A or similar superheat controllers
Industrial Applications
- Commercial refrigeration racks and condensing units
- Industrial process cooling and chillers
- Cold storage warehouses and blast freezers
- Transport refrigeration systems
- Heat pump and air conditioning systems
- CO2 transcritical booster systems
For technical inquiries, dimensional drawings, or replacement support for DANFOSS 034G4203, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
DANFOSS 034G4203 Electronic Expansion Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the DANFOSS 034G4203 Electronic Expansion Valve. This precision-engineered component delivers reliable performance and tight fluid control for heavy-duty refrigeration systems.