Danfoss ETS 25 Electric Expansion Valve 034G4203 – 7/8" ODF, 144 kW Capacity

Danfoss ETS 25 (034G4203) is an electronically controlled expansion valve designed for commercial and industrial refrigeration applications requiring high-precision liquid injection. Compatible with a 7/8 inch ODF solder connection, the product offers superior performance even in demanding environmental conditions thanks to its stepper motor operating principle and IP67 protection class.

Technical Specifications

• Product Code: 034G4203
• Model: ETS 25
• Connection Type: Solder (ODF)
• Connection Size: 7/8 inch (22 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: Available
• 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: 93 kW / 27 TR
• R404A / R507A: 88 kW / 25 TR
• R22: 117 kW / 34 TR
• R407C: 129 kW / 37 TR
• R410A: 144 kW / 41 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: 1.104 kg
• Net Weight: 0.911 kg
• Volume: 3.321 litres
• EAN: 5702428825757

Areas of Use

ETS 25 offers superior control in chiller systems, commercial refrigerators, industrial process cooling and air conditioning applications with its wide capacity range and fast response time. Reliable stepper motor technology optimises energy efficiency and system performance.