Agilent 1290 Infinity G4220A Binary Pump

• Manufacturer: Agilent Technologies
• Model: G4220A
• Series: 1290 Infinity
• Product Type: Binary HPLC / UHPLC Pump

Performance

• Pump Type: High‑pressure binary mixing pump
• Hydraulic System: Two dual pistons in series
• Maximum Operating Pressure:
  • Up to 1200 bar (120 MPa) at flow rates ≤2 mL/min
  • Up to 800 bar (80 MPa) at 5 mL/min
• Flow Rate Range: 0.001 – 5.0 mL/min
• Flow Resolution: 0.001 mL/min increments
• Flow Precision: ≤0.07% RSD or 0.005 min SD
• Flow Accuracy: ±1% or ±10 µL/min (whichever is greater)
• Gradient Formation: High‑pressure binary mixing
• Composition Range: 0 – 100%
• Composition Precision: <0.15% RSD

Mixing & Delay Volume

• Mixer Type: Agilent Jet Weaver Mixer
• Typical Delay Volume:
  • Jet Weaver 35 µL: <45 µL
  • Larger mixer options available

Integrated Features

• Integrated Degasser: Yes
• Automatic Purge Valve: Yes
• Compressibility Compensation: Automatic
• Active Seal Wash: Supported

Physical Specifications

• Dimensions (H × W × D):
  Approx. 190 × 345 × 435 mm (7.5 × 13.5 × 17 in)
• Weight:
  Approx. 21 kg (46 lb)

Electrical Requirements

• Line Voltage: 100 – 240 V, ±10%
• Frequency: 50/60 Hz

Compatibility

• System Compatibility: Agilent 1290 Infinity LC & UHPLC systems
• Applications:
  • UHPLC
  • Fast gradients
  • High‑resolution separations
  • LC‑MS front‑end applications