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Sanhua DPF(S03)5.5C-01 electronic expansion valve

The Sanhua DPF(S03)5.5C-01 electronic expansion valve is a powerful and versatile valve that has been specially developed for use in air conditioning and refrigeration systems as well as in heat pumps. With its automatic adjustment of the refrigerant flow rate, it ensures optimum operating conditions, fast cooling and heating, precise temperature control and energy savings. It can also be used as a suction line pressure regulator and enables bidirectional operation for efficient refrigerant flow control.

Technical details:

• Usable refrigerants: R22, R134A, R404A, R407C, R410A etc.
• Refrigeration capacity: 3.5 to 105 kW (with R22 nominal capacity)
• Medium temperature: -30°C to +70°C (duty cycle below 50%)
• Environmental temperature: -30°C to +60°C (duty cycle below 50%)
• Relative humidity: below 95%
• Installation position: coil on top, valve rotor centre axis +/- 15° in relation to vertical
• 500 steps (full stroke); 32 ± 20 opening steps
• Nominal voltage: 12V DC (+/- 10%), square-wave signal
• Operation: Direct-acting with 4-phase, 8-step permanent magnet motor
• Control: 1 ~ 2 phase control, unipolar actuation
• Actuation speed: 30 to 90pps (hold actuation in stop position for at least 0.1~1.0s to activate latching)
• Coil current: 260mA/phase (20°C)
• Coil resistance: 46 +/- 3.7 ?/phase (20°C)
• Insulation class of the coil: E
• Protection class: IP 66

Advantages and benefits:

Thanks to its versatility, the Sanhua DPF(S03)5.5C-01 electronic expansion valve is the ideal choice for efficient control of refrigerant flow in air conditioning and cooling systems as well as in heat pumps. With a high cooling capacity and precise temperature control, it ensures optimal operating conditions and energy savings. The unique design enables reliable operation and easy installation.