Product

อิเล็กทรอนิกส์ เอ็กซ์แปนชั่นวาล์ว Electronic Expansion Valve SANHUA

SPECIFICATION

BrandSANHUA
SeriesDPF-T/S

รายละเอียด

Features

  • Applicable for oil-free system (T series)
  • Smaller installation space: low height, small volume, light weight
  • Optimized flow path design for noise reduction
  • Fast operation, Energy saving
  • Applicable for reversible systems like heat pumps: bidirectional flow

General specifications

  • Applicable refrigerants: R22, R134A, R404A, R407C, R410A, R507A … etc.
  • Cooling Capacity: 3,5 to 105 kW (R22 Nominal Capacity)
  • Medium temperature: -30°C to +70°C (duty cycle rate below 50%)
  • Ambient temperature: -30°C to +60°C (duty cycle rate below 50%)
  • Relative humidity: below 95% RH
  • Ps: 4.5MPa (45 Bar)
  • Installation position: Coil upwards, valve rotor central axis within +/-15° versus vertical axis
  • 500 steps (full stroke); 32 ± 20 opening steps
  • Certifications: UL/CSA and declaration according to LVD or PED

Electrical Parameters

  • Rated Voltage: 12V DC(+/- 10%), rectangular wave
  • Actuating mode: 4-phase 8-step permanent magnet stepping motor of direct-acting type
  • Excitation mode: 1 ~ 2 phase excitation, monopole actuation
  • Excitation rate:
    • Seat Ø 1,3 to 3,2 mm: 30 to 90pps
    • Seat Ø 4,0 to 6,5 mm: 30 to 40pps
  • Activation of self-holding mechanism: Maintain excitation in stop position min. 0,1~1,0 sec.
  • Coil current:
    • Seat Ø 1,3 to 3,2 mm: 260mA/phase (20°C)
    • Seat Ø 4,0 to 6,5 mm: 375mA/phase (20°C)
  • Coil resistance:
    • Seat Ø 1,3 to 3,2 mm: 46 ± 3.7 Ω/phase (20°C)
    • Seat Ø 4,0 to 6,5 mm: 32 ± 3.2 Ω/phase (20°C)
  • Insulation class of coil: E
  • Protection class: IP 66