Danfoss ETS 12.5 Electric Expansion Valve 034G4210 – 5/8" ODF, 70 kW Capacity

Danfoss ETS 12.5 (034G4210) is a stepper motor controlled expansion valve that enables the electronic control of liquid injection in compact refrigeration systems requiring high precision. With its 5/8 inch (16 mm) ODF solder connection, 2625-step positioning and IP67 protection level, it offers reliable and long-lasting use.

Technical Specifications

• Product Code: 034G4210
• Model: ETS 12.5
• Connection Type: Solder (ODF)
• Connection Size: 5/8 inch (16 mm)
• Flow Direction: Bi-flow (bi-directional)
• Motor Type: Bi-polar stepper motor
• Total Number of Steps: 2625 full steps
• Step Mode: 2-phase full step
• Electrical Connection: M12, 4-pin male connector
• Sight Glass: Yes
• Manual Operation: With AST-G service driver

Operating Conditions

• Ambient Temperature: -40 °C ~ +60 °C
• Refrigerant Temperature: -40 °C ~ +65 °C
• Maximum Working Pressure: 45.5 bar (660 psig)
• IP Protection Class: IP67

Electrical Specifications

• Voltage: 11.5 – 13.8 V DC
• Power Consumption: 5.5 W (max.)
• Phase Current: 141 mA (peak), 100 mA (RMS)
• Inductance: 85,000 µH

Nominal Capacities

• R134a: 45 kW / 13 TR
• R404A / R507A: 43 kW / 12 TR
• R22: 57 kW / 16 TR
• R407C: 63 kW / 18 TR
• R410A: 70 kW / 20 TR

Compatible Danfoss Controllers

• EKE 1A
• EKE 1B
• EKE 1C

Compatible Refrigerants

• R1234ze(E), R134a, R22, R404A, R407A/C/F/H, R410A
• R417A, R422A/B/D, R438A, R442A, R448A, R449A/B
• R450A, R452A, R463A, R507A, R513A/B, R515A/B

Certificates and Compliance

• Approvals: CE, UKCA, EAC, UL, LLC CDC TYSK
• PED Category: Category I
• RoHS Compliance: EU RoHS (with exemption)
• SCIP Dossier No: e3ad9fd7-71e7-4510-9bd9-560a85cda8bf

Physical Specifications

• Gross Weight: 1.028 kg
• Net Weight: 0.878 kg
• Volume: 3.249 litres
• EAN: 5702428825689

Areas of Use

ETS 12.5 is suitable for precise liquid injection control in low to medium capacity chiller systems, refrigeration units, commercial refrigerators and air conditioning systems. With its compact size and high precision, it increases energy efficiency and optimises system performance.