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Expansion Valve

Electronic Expansion Valve – RPF-AA/AB Series

The RPF-AA/AB Series Electronic Expansion Valve is designed for precise refrigerant flow control in refrigeration, air-conditioning, and heat pump systems. It automatically adjusts refrigerant flow to maintain optimal system performance, ensuring stable temperature control, improved energy efficiency, and reliable operation. With its compact design, fast response, and low-noise performance, it is suitable for modern HVAC and cooling applications.

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Features

  • Smaller installation space: low height, compact size, lightweight
  • Large valve chamber design for lower noise
  • Fast response and energy-saving operation
  • Bi-directional flow, suitable for reversible systems such as heat pumps
  • Excellent dry-friction resistance, suitable for oil-free systems

Specification

  • Applicable refrigerants: R22, R410A, R407C, R32, R134A, R404A, R507C
  • Capacity range: 2.7–96 kW (nominal capacity for R22)
  • Medium temperature: −30°C to +70°C (duty cycle ≤ 50%)
  • Ambient temperature: −30°C to +60°C (duty cycle ≤ 50%)
  • Relative humidity: ≤ 95% RH
  • Full-open pulses: 500; valve opening pulses: 32 ± 20
  • Maximum working pressure: 4.3 MPa; maximum working pressure differential: 3.5 MPa
  • Installation orientation:
    • Coil facing upward; valve rotor centerline vertical to the horizontal plane, deviation within ±15°
    • Inlet pipe horizontal, outlet pipe facing downward

Refrigeration Capacity Extension Sheet (R22)

Product Model Condensing Temperature
CT (°C)		 Cooling Capacity [kW]
Evaporating Temperature [°C]
-40 -30 -20 -10 0 10
RPF(AA)1.0 25 2.8 2.8 2.7 2.6 2.4 2.0
RPF(AA)1.3 5.6 5.6 5.4 5.2 4.7 3.9
RPF(AA)1.6 9.4 9.3 9.1 8.7 7.9 6.6
RPF(AA)1.8 11.1 11.1 10.9 10.3 9.4 7.8
RPF(AA)2.0 13.8 13.7 13.4 12.8 11.6 9.7
RPF(AA)2.2 14.8 14.7 14.4 13.7 12.5 10.4
RPF(AA)2.4 17.4 17.4 17.0 16.2 14.7 12.3
RPF(AA)3.0 28.9 28.8 28.1 26.8 24.4 20.3
RPF(AA)3.2 31.8 31.7 31.0 29.5 26.9 22.3
RPF(AB)4.0 52.9 52.7 51.6 49.1 44.7 37.2
RPF(AB)4.5 70.8 70.5 69.0 65.7 59.8 49.7
RPF(AA)1.0 35 2.9 2.9 2.9 2.8 2.7 2.4
RPF(AA)1.3 5.8 5.8 5.8 5.7 5.4 4.9
RPF(AA)1.6 9.8 9.8 9.8 9.5 9.0 8.2
RPF(AA)1.8 11.6 11.7 11.6 11.3 10.7 9.7
RPF(AA)2.0 14.4 14.5 14.4 14.0 13.3 12.0
RPF(AA)2.2 15.4 15.5 15.4 15.0 14.3 12.9
RPF(AA)2.4 18.2 18.3 18.2 17.7 16.8 15.2
RPF(AA)3.0 30.1 30.3 30.1 29.3 27.8 25.2
RPF(AA)3.2 33.1 33.4 33.2 32.3 30.7 27.8
RPF(AB)4.0 55.1 55.5 55.2 53.8 51.0 46.2
RPF(AB)4.5 73.8 74.3 73.8 72.0 68.2 61.8
RPF(AA)1.0 45 2.9 3.0 3.0 3.0 2.9 2.7
RPF(AA)1.3 5.9 6.0 6.0 6.0 5.8 5.5
RPF(AA)1.6 9.9 10.1 10.1 10.0 9.8 9.2
RPF(AA)1.8 11.8 12.0 12.0 11.9 11.6 10.9
RPF(AA)2.0 14.6 14.8 14.9 14.7 14.3 13.5
RPF(AA)2.2 15.7 15.9 16.0 15.8 15.4 14.5
RPF(AA)2.4 18.5 18.8 18.8 18.7 18.1 17.1
RPF(AA)3.0 30.5 31.0 31.2 30.9 30.0 28.3
RPF(AA)3.2 33.7 34.2 34.4 34.0 33.1 31.2
RPF(AB)4.0 56.0 56.9 57.2 56.6 55.0 52.0
RPF(AB)4.5 74.9 76.1 76.5 75.8 73.6 69.5
RPF(AA)1.0 55 2.9 3.0 3.0 3.0 3.0 2.9
RPF(AA)1.3 5.8 6.0 6.0 6.1 6.0 5.8
RPF(AA)1.6 9.8 10.0 10.2 10.2 10.1 9.8
RPF(AA)1.8 11.6 11.9 12.1 12.1 12.0 11.6
RPF(AA)2.0 14.4 14.7 14.9 15.0 14.8 14.3
RPF(AA)2.2 15.5 15.8 16.1 16.1 15.9 15.4
RPF(AA)2.4 18.2 18.7 18.9 19.0 18.8 18.2
RPF(AA)3.0 30.1 30.9 31.3 31.4 31.0 30.1
RPF(AA)3.2 33.2 34.0 34.5 34.6 34.2 33.1
RPF(AB)4.0 55.3 56.6 57.4 57.6 56.9 55.1
RPF(AB)4.5 73.9 75.7 76.8 77.0 76.1 73.7

Refrigeration Capacity Extension Sheet (R407C)

Product Model Condensing Temperature
CT (°C)		 Cooling Capacity [kW]
Evaporating Temperature [°C]
-40 -30 -20 -10 0 10
RPF(AA)1.0 25 2.8 2.9 2.9 2.8 2.6 2.3
RPF(AA)1.3 5.7 5.7 5.7 5.6 5.3 4.7
RPF(AA)1.6 9.5 9.6 9.6 9.4 8.8 7.9
RPF(AA)1.8 11.3 11.4 11.4 11.1 10.5 9.3
RPF(AA)2.0 14.0 14.1 14.1 13.8 13.0 11.5
RPF(AA)2.2 15.0 15.2 15.2 14.8 14.0 12.4
RPF(AA)2.4 17.7 17.9 17.9 17.4 16.4 14.6
RPF(AA)3.0 29.3 29.6 29.6 28.9 27.2 24.2
RPF(AA)3.2 32.3 32.7 32.6 31.8 30.0 26.6
RPF(AB)4.0 53.7 54.4 54.2 52.9 49.9 44.3
RPF(AB)4.5 71.8 72.7 72.5 70.8 66.7 59.2
RPF(AA)1.0 35 2.9 2.9 3.0 2.9 2.9 2.7
RPF(AA)1.3 5.7 5.8 5.9 5.9 5.7 5.4
RPF(AA)1.6 9.6 9.8 9.9 9.9 9.6 9.0
RPF(AA)1.8 11.4 11.7 11.8 11.7 11.4 10.7
RPF(AA)2.0 14.1 14.4 14.6 14.5 14.1 13.2
RPF(AA)2.2 15.2 15.5 15.7 15.6 15.2 14.2
RPF(AA)2.4 17.9 18.3 18.5 18.4 17.9 16.8
RPF(AA)3.0 29.6 30.3 30.6 30.4 29.6 27.7
RPF(AA)3.2 32.6 33.3 33.7 33.5 32.6 30.6
RPF(AB)4.0 54.2 55.5 56.1 55.8 54.2 50.8
RPF(AB)4.5 72.5 74.2 75.0 74.6 72.5 68.0
RPF(AA)1.0 45 2.8 2.9 2.9 3.0 2.9 2.9
RPF(AA)1.3 5.6 5.8 5.9 5.9 5.9 5.7
RPF(AA)1.6 9.4 9.7 9.9 10.0 9.9 9.6
RPF(AA)1.8 11.1 11.5 11.8 11.9 11.8 11.4
RPF(AA)2.0 13.8 14.2 14.6 14.7 14.6 14.1
RPF(AA)2.2 14.8 15.3 15.7 15.8 15.7 15.2
RPF(AA)2.4 17.4 18.0 18.4 18.6 18.5 17.9
RPF(AA)3.0 28.9 29.8 30.5 30.8 30.6 29.6
RPF(AA)3.2 31.8 32.9 33.6 33.9 33.7 32.6
RPF(AB)4.0 52.9 54.7 55.9 56.5 56.0 54.2
RPF(AB)4.5 70.8 73.2 74.9 75.6 74.9 72.5
RPF(AA)1.0 55 2.6 2.7 2.8 2.9 2.9 2.9
RPF(AA)1.3 5.2 5.5 5.6 5.8 5.8 5.7
RPF(AA)1.6 8.8 9.2 9.5 9.7 9.8 9.7
RPF(AA)1.8 10.4 10.9 11.3 11.5 11.6 11.5
RPF(AA)2.0 12.9 13.5 13.9 14.3 14.4 14.2
RPF(AA)2.2 13.9 14.5 15.0 15.3 15.4 15.3
RPF(AA)2.4 16.3 17.1 17.7 18.1 18.2 18.0
RPF(AA)3.0 27.0 28.2 29.2 29.9 30.1 29.8
RPF(AA)3.2 29.8 31.1 32.2 32.9 33.2 32.8
RPF(AB)4.0 49.5 51.7 53.5 54.7 55.2 54.6
RPF(AB)4.5 66.2 69.2 71.6 73.3 73.8 73.0

Refrigeration Capacity Extension Sheet (R410A)

Product Model Condensing Temperature , CT (°C) Cooling Capacity [kW]
Evaporating Temperature [°C]
-40 -30 -20 -10 0 10
RPF(AA)1.0 25 3.5 3.4 3.4 3.2 2.9 2.4
RPF(AA)1.3 6.9 6.9 6.7 6.4 5.8 4.8
RPF(AA)1.6 11.6 11.6 11.3 10.7 9.7 8.1
RPF(AA)1.8 13.8 13.8 13.4 12.7 11.6 9.6
RPF(AA)2.0 17.1 17.0 16.6 15.8 14.3 11.8
RPF(AA)2.2 18.4 18.3 17.8 16.9 15.4 12.7
RPF(AA)2.4 21.6 21.5 21.0 20.0 18.1 15.0
RPF(AA)3.0 35.8 35.6 34.8 33.0 30.0 24.8
RPF(AA)3.2 39.5 39.3 38.3 36.4 33.0 27.3
RPF(AB)4.0 65.6 65.3 63.8 60.6 54.9 45.5
RPF(AB)4.5 87.8 87.4 85.3 81.0 73.5 60.8
RPF(AA)1.0 35 3.5 3.5 3.5 3.4 3.2 2.9
RPF(AA)1.3 7.0 7.0 6.9 6.8 6.4 5.8
RPF(AA)1.6 11.7 11.8 11.7 11.4 10.7 9.7
RPF(AA)1.8 13.9 14.0 13.9 13.5 12.8 11.5
RPF(AA)2.0 17.2 17.3 17.2 16.7 15.8 14.2
RPF(AA)2.2 18.5 18.6 18.4 17.9 17.0 15.3
RPF(AA)2.4 21.8 21.9 21.7 21.1 20.0 18.0
RPF(AA)3.0 36.0 36.3 36.0 35.0 33.1 29.8
RPF(AA)3.2 39.7 39.9 39.6 38.5 36.4 32.8
RPF(AB)4.0 66.0 66.5 65.9 64.1 60.6 54.6
RPF(AB)4.5 88.3 88.9 88.2 85.8 81.1 73.1
RPF(AA)1.0 45 3.4 3.4 3.4 3.4 3.3 3.1
RPF(AA)1.3 6.7 6.8 6.9 6.8 6.6 6.2
RPF(AA)1.6 11.3 11.5 11.5 11.4 11.1 10.4
RPF(AA)1.8 13.4 13.6 13.7 13.5 13.1 12.3
RPF(AA)2.0 16.6 16.9 16.9 16.8 16.2 15.3
RPF(AA)2.2 17.8 18.1 18.2 18.0 17.4 16.4
RPF(AA)2.4 21.0 21.4 21.5 21.2 20.6 19.3
RPF(AA)3.0 34.7 35.3 35.5 35.1 34.0 32.0
RPF(AA)3.2 38.3 38.9 39.1 38.7 37.5 35.2
RPF(AB)4.0 63.7 64.8 65.1 64.4 62.4 58.6
RPF(AB)4.5 85.2 86.6 87.1 86.1 83.4 78.4
RPF(AA)1.0 55 3.0 3.1 3.2 3.2 3.2 3.0
RPF(AA)1.3 6.1 6.3 6.4 6.4 6.3 6.1
RPF(AA)1.6 10.3 10.5 10.7 10.8 10.6 10.2
RPF(AA)1.8 12.2 12.5 12.7 12.8 12.6 12.1
RPF(AA)2.0 15.0 15.5 15.7 15.8 15.6 15.0
RPF(AA)2.2 16.2 16.6 16.9 17.0 16.7 16.1
RPF(AA)2.4 19.1 19.6 19.9 20.0 19.7 19.0
RPF(AA)3.0 31.5 32.4 33.0 33.1 32.6 31.5
RPF(AA)3.2 34.7 35.7 36.3 36.5 36.0 34.7
RPF(AB)4.0 57.8 59.4 60.4 60.6 59.8 57.7
RPF(AB)4.5 77.3 79.5 80.9 81.1 80.0 77.2

Refrigeration Capacity Extension Sheet (R32)

Product Model Condensing Temperature , CT (°C) Cooling Capacity [kW]
Evaporating Temperature [°C]
-40 -30 -20 -10 0 10
RPF(AA)1.0 25 5.2 5.1 4.9 4.6 4.1 3.4
RPF(AA)1.3 10.3 10.2 9.8 9.2 8.3 6.8
RPF(AA)1.6 17.4 17.1 16.5 15.5 13.9 11.4
RPF(AA)1.8 20.6 20.3 19.6 18.4 16.5 13.5
RPF(AA)2.0 25.5 25.1 24.2 22.8 20.4 16.7
RPF(AA)2.2 27.4 27.0 26.1 24.5 22.0 18.0
RPF(AA)2.4 32.3 31.8 30.7 28.8 25.9 21.2
RPF(AA)3.0 53.5 52.6 50.8 47.7 42.8 35.1
RPF(AA)3.2 58.9 58.0 56.0 52.6 47.2 38.7
RPF(AB)4.0 98.0 96.4 93.1 87.5 78.5 64.3
RPF(AB)4.5 131.1 129.0 124.6 117.0 105.0 86.1
RPF(AA)1.0 35 5.4 5.3 5.2 5.0 4.7 4.2
RPF(AA)1.3 10.7 10.7 10.5 10.0 9.4 8.4
RPF(AA)1.6 18.1 18.0 17.6 16.9 15.8 14.1
RPF(AA)1.8 21.5 21.3 20.9 20.1 18.7 16.7
RPF(AA)2.0 26.5 26.4 25.8 24.8 23.2 20.7
RPF(AA)2.2 28.5 28.3 27.8 26.7 24.9 22.2
RPF(AA)2.4 33.6 33.4 32.7 31.4 29.4 26.2
RPF(AA)3.0 55.6 55.3 54.1 52.0 48.6 43.3
RPF(AA)3.2 61.3 60.9 59.7 57.3 53.5 47.7
RPF(AB)4.0 102.0 101.3 99.2 95.4 89.1 79.4
RPF(AB)4.5 136.4 135.5 132.8 127.6 119.2 106.3
RPF(AA)1.0 45 5.4 5.4 5.4 5.2 5.0 4.7
RPF(AA)1.3 10.9 10.9 10.8 10.5 10.0 9.3
RPF(AA)1.6 18.3 18.3 18.1 17.7 16.9 15.7
RPF(AA)1.8 21.7 21.7 21.5 21.0 20.0 18.6
RPF(AA)2.0 26.8 26.9 26.6 25.9 24.8 23.0
RPF(AA)2.2 28.8 28.9 28.6 27.9 26.6 24.7
RPF(AA)2.4 34.0 34.0 33.7 32.8 31.4 29.1
RPF(AA)3.0 56.2 56.3 55.7 54.3 51.9 48.2
RPF(AA)3.2 62.0 62.0 61.4 59.9 57.2 53.1
RPF(AB)4.0 103.1 103.1 102.1 99.6 95.2 88.4
RPF(AB)4.5 137.9 138.0 136.6 133.2 127.4 118.2
RPF(AA)1.0 55 5.3 5.3 5.3 5.2 5.1 4.8
RPF(AA)1.3 10.6 10.7 10.6 10.5 10.2 9.7
RPF(AA)1.6 17.8 17.9 17.9 17.7 17.1 16.3
RPF(AA)1.8 21.1 21.3 21.2 21.0 20.3 19.3
RPF(AA)2.0 26.2 26.3 26.3 25.9 25.2 23.9
RPF(AA)2.2 28.1 28.3 28.2 27.9 27.0 25.7
RPF(AA)2.4 33.1 33.4 33.3 32.8 31.9 30.3
RPF(AA)3.0 54.8 55.2 55.1 54.3 52.7 50.1
RPF(AA)3.2 60.4 60.8 60.7 59.8 58.1 55.2
RPF(AB)4.0 100.5 101.2 101.0 99.5 96.6 91.8
RPF(AB)4.5 134.4 135.4 135.1 133.2 129.3 122.9

Refrigeration Capacity Extension Sheet (R134A)

Product Model Condensing Temperature , CT (°C) Cooling Capacity [kW]
Evaporating Temperature [°C]
-40 -30 -20 -10 0 10
RPF(AA)1.0 25 2.0 2.0 2.0 2.0 1.8 1.6
RPF(AA)1.3 4.0 4.1 4.1 4.0 3.7 3.1
RPF(AA)1.6 6.8 6.9 6.9 6.7 6.2 5.3
RPF(AA)1.8 8.0 8.1 8.1 7.9 7.3 6.2
RPF(AA)2.0 9.9 10.1 10.1 9.8 9.1 7.7
RPF(AA)2.2 10.7 10.8 10.8 10.5 9.8 8.3
RPF(AA)2.4 12.6 12.8 12.7 12.4 11.5 9.8
RPF(AA)3.0 20.8 21.1 21.1 20.5 19.0 16.2
RPF(AA)3.2 22.9 23.3 23.2 22.6 21.0 17.8
RPF(AB)4.0 38.1 38.7 38.6 37.5 34.9 29.6
RPF(AB)4.5 50.9 51.8 51.7 50.2 46.7 39.6
RPF(AA)1.0 35 2.1 2.1 2.2 2.1 2.1 1.9
RPF(AA)1.3 4.1 4.2 4.3 4.3 4.2 3.9
RPF(AA)1.6 6.9 7.1 7.3 7.2 7.0 6.5
RPF(AA)1.8 8.2 8.5 8.6 8.6 8.3 7.7
RPF(AA)2.0 10.2 10.5 10.7 10.6 10.3 9.5
RPF(AA)2.2 11.0 11.3 11.5 11.4 11.1 10.2
RPF(AA)2.4 12.9 13.3 13.5 13.4 13.0 12.1
RPF(AA)3.0 21.4 22.0 22.3 22.2 21.6 20.0
RPF(AA)3.2 23.5 24.2 24.6 24.5 23.7 22.0
RPF(AB)4.0 39.2 40.3 40.9 40.8 39.5 36.6
RPF(AB)4.5 52.4 53.9 54.8 54.6 52.9 48.9
RPF(AA)1.0 45 2.1 2.1 2.2 2.2 2.2 2.1
RPF(AA)1.3 4.1 4.3 4.4 4.5 4.4 4.3
RPF(AA)1.6 6.9 7.2 7.4 7.5 7.5 7.2
RPF(AA)1.8 8.2 8.5 8.8 8.9 8.9 8.6
RPF(AA)2.0 10.1 10.6 10.9 11.0 11.0 10.6
RPF(AA)2.2 10.9 11.4 11.7 11.9 11.8 11.4
RPF(AA)2.4 12.9 13.4 13.8 14.0 13.9 13.4
RPF(AA)3.0 21.3 22.1 22.8 23.1 23.0 22.2
RPF(AA)3.2 23.4 24.4 25.1 25.5 25.4 24.5
RPF(AB)4.0 39.0 40.6 41.8 42.4 42.2 40.8
RPF(AB)4.5 52.2 54.3 55.9 56.7 56.4 54.5
RPF(AA)1.0 55 2.0 2.1 2.2 2.2 2.3 2.2
RPF(AA)1.3 3.9 4.1 4.3 4.5 4.5 4.5
RPF(AA)1.6 6.6 7.0 7.3 7.5 7.6 7.6
RPF(AA)1.8 7.9 8.3 8.7 8.9 9.0 9.0
RPF(AA)2.0 9.7 10.3 10.7 11.0 11.2 11.1
RPF(AA)2.2 10.5 11.0 11.5 11.8 12.0 11.9
RPF(AA)2.4 12.3 13.0 13.6 14.0 14.2 14.1
RPF(AA)3.0 20.4 21.5 22.4 23.1 23.4 23.3
RPF(AA)3.2 22.5 23.7 24.7 25.5 25.8 25.6
RPF(AB)4.0 37.4 39.4 41.1 42.3 42.9 42.7
RPF(AB)4.5 50.0 52.7 55.0 56.7 57.5 57.1

Dimensions

Coil Model Suitable Valve Body Series Size (mm) Insulation Sleeve
Φ A B C D
RBAA1200013 RPF(AA)1.0~3.2
RPF(AB)4.0~4.5		 37.5 27.9 600 700 XHP-5
RBAA1200004 RPF(AA)1.0~3.2
RPF(AB)4.0~4.5		 37.5 27.9 900 1000 XHP-5
RBAA1200007 RPF(AA)1.0~3.2
RPF(AB)4.0~4.5		 37.5 27.9 1400 1500 XHP-5
RBAA1200002 RPF(AA)1.0~3.2
RPF(AB)4.0~6.5		 37.5 27.9 1900 2000 XHP-5
Body Series Suitable Valve Body Series Size (mm)
E G F ΦH ΦN
RPF(AA) 1.0~2.4 RBAA 80 36 30 6.35 17.35
RPF(AA)3.0~3.2 RBAA 83 39 39 7.94 17.35
RPF(AB)4.0~4.5 RBAA 101 47 51 9.52 17.35
RPF(AB)5.5~6.5 RBAA 113 61 53 12.7 17.35

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