Danfoss 034G4252 Electric Regulating Valve – KVS 15, 5/8 inch Solder ODF, R22, R134a, R404A

The Danfoss 034G4252 electric regulating valve (KVS 15) is engineered for compact HVAC and refrigeration systems that demand accurate refrigerant control. Compatible with R22, R134a, and R404A, this valve supports bi-flow operation and reliable functionality in extreme conditions, making it suitable for small commercial units and chillers.

Key Features

• Refrigerant compatibility: R22, R134a, R404A, R407A, R407C, R407F, R410A, R422B, R422D, R438A, R448A, R449A, R450A, R452A, R507A, R513A, R1234ze(E)
• Rated capacity: 5.15 kW (1.31 tons) with R22, 3.78 kW (0.94 tons) with R134a, 4.58 kW (1.07 tons) with R404A
• Temperature range: -40 F to 150 F
• Connections: 5/8 inch Solder ODF inlet × 5/8 inch Solder ODF outlet
• Valve type: Straightway, externally equalized, bi-flow
• Capillary tube: Not applicable
• Maximum working pressure: 660 psig
• Flow time speed: 8.5 to 17 seconds
• Enclosure rating: IP67
• Electrical connection: M12, 4-pin male, step motor (bi-polar), 11.5V to 13.8V DC
• Resistance: 0.1 kOhm
• Compatible controllers: EKC 368, EKE 1A, EKE 1B, EKE 1C
• Balanced port: No

Applications

Used in compact refrigeration systems, display cases, and small process chillers requiring electronic expansion control with high reliability across a wide range of refrigerants.

Competitor Equivalent Part Numbers

• Sporlan SER-K-O
• Emerson EXV-10-404A
• Alco EX4-02-R22

Frequently Asked Questions

• What refrigerants can be used with the 034G4252 valve?
  This valve supports various common and low-GWP refrigerants including R22, R134a, R404A, R407 series, and R1234ze(E).
• What is the rated cooling capacity?
  It delivers up to 5.15 kW (1.31 tons) with R22, suitable for light commercial systems.
• Does the valve support bi-flow?
  Yes, the design supports bi-directional flow with external equalization.
• What are the electrical specs?
  The unit uses a 2-phase full step motor operating at 11.5V to 13.8V DC with M12 connector.