SANHUA ELECTRONIC EXPANSION VALVE (DPF-TS/S series)

Description

 General Specifications and Technical Details

Applications

• Typical Use: Residential and light commercial air conditioning, refrigeration systems, and heat pumps.

• Function: Automatically controls the refrigerant flow rate, and can also be used for suction line pressure control.

Capacity Range

• Cooling Capacity: Generally ranges from approximately 3.5 kW to 105 kW (based on R22 nominal capacity).

Refrigerant Compatibility

• Broad Compatibility: Applicable for most common HFC, HFO, and HCFC refrigerants, including: R22, R134a, R404A, R407C, R410A, R507, R32, R290, R448A, R449A, R452A, R513A.

Technical Performance

• Full Stroke Steps: 500 steps

• Max. Operating Pressure (MOP/PS): Typically up to 4.9 MPa (approx. 49 bar).

• Max. Operating Pressure Differential (MOPD): Varies by model, but typically up to 3.5 MPa in the direct flow direction.

Operating Conditions

• Medium Temperature (TS): -40C to +85C (varies slightly by sub-series/duty cycle).

• Ambient Temperature: -30C to +60C.

• Protection Class: IP 67 (some variants are IP 66), indicating high protection against dust and water immersion.

Electrical Parameters

• Rated Voltage: 12V DC (pm 10%, rectangular wave).

• Actuating Mode: 4-phase, 8-step permanent magnet stepping motor.