Danfoss ETS 50 Electric Expansion Valve 034G1705 – 7/8" x 1 1/8" ODF, 262 kW Capacity

Danfoss ETS 50 (034G1705) is a high-performance expansion valve designed for electronically controlled liquid injection. Its 7/8 inch inlet and 1 1/8 inch outlet ODF solder connection design, cooling capacity of up to 262.3 kW and IP67 protection class provide stable performance even in demanding conditions. Thanks to its 2-phase stepper motor technology and 2625-step positioning system, it operates with maximum precision.

Technical Specifications

• Product Code: 034G1705
• Model: ETS 50
• Type: Electric Expansion Valve
• Connection Sizes: Inlet: 7/8 inch ODF, Outlet: 1 1/8 inch ODF
• Flow Direction: Bi-directional (Bi-flow)
• 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
• Manual Operation: With AST-G service driver
• Sight Glass: Yes

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: Maximum 5.5 W
• Phase Current: 141 mA (peak), 100 mA (RMS)
• Inductance: 85,000 µH

Nominal Capacities

• R134a: 170 kW / 48.9 TR
• R404A / R507A: 161.4 kW / 46.3 TR
• R22: 215 kW / 62 TR
• R407C: 240.5 kW / 69.1 TR
• R410A: 262.3 kW / 75.7 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, UL, UKCA, EAC, LLC CDC TYSK
• PED Category: Category I
• RoHS Compliance: EU RoHS (with exemption)
• SCIP Dossier No: c5625b77-53ec-4079-9d51-0ef83e9579dd

Physical Specifications

• Gross Weight: 1.746 kg
• Net Weight: 1.467 kg
• Volume: 6.248 litres
• EAN: 5702428827027
• Packaging: Single box

Areas of Use

ETS 50 is the ideal solution for commercial refrigeration, industrial process cooling, chiller and HVAC systems requiring high-precision liquid injection. With its wide capacity range, stepper motor control and IP67 protection, it provides long-lasting use in demanding environmental conditions.