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Gilson - 331
Manufactured by Gilson
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Dual-piston pumps for semi-preparative and preparative chromatography. Feature a variable-volume, dynamic mixer for optimized gradient performance.
Dual-piston pumps for semi-preparative and preparative chromatography. Feature a variable-volume, dynamic mixer for optimized gradient performance.Milligram-level sample mass-throughput per injection: 150 mg with a 20-mm bore column Easy linear transposition from analytical to preparative HPLC methods on 4 to 20 mm I.D. columns packed with high-efficiency stationary phases Solvent selection on each pump: additional four-solvent valve (up to 12 solvents) Control from 331 Master Pump: flow-rate gradient, four-solvent selection and step gradient (additional valve), composition gradient (one or two additional pumps), sample-injection pump, UV/VIS detector, and electrical input/output contacts with any other associated equipment Software benefits: safety files (pressure limits, emergency signal and power failure), anomaly processing procedures with related outcomes, GLP functions: solvent consumption, diagnostic helps, maintenance logs, leak test, piston-seal installation, mixing test, and audit trail Control within a complete preparative workstation: Gilson UniPoint™ System Software—includes data processing and report of results
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Features of 331
- Milligram-level sample mass throughput per injection: 150 mg with a 20-mm bore column
- Easy linear transposition from analytical to preparative HPLC methods on a 4 to 20 mm ID column packed with high-efficiency stationary phases
- Solvent selection on each pump with optional four-solvent valve (up to eight solvents)
- Control from 331 Master Pump: flow-rate gradient, four-solvent selection and step gradient (additional valve), composition gradient (one or two additional pumps), sample-injection pump, UV/VIS detector, and electrical input/output contacts with any other associated equipment
- Keypad control: safety files (pressure limits, emergency signal and power failure); anomaly processing procedures with related outcomes; GLP functions: solvent consumption, diagnostic helps, maintenance logs, leak test, piston seal installation, mixing test and audit trail
- TRILUTION® System Software provides control within a complete prep workstation; includes data processing and results reporting
General Specifications
| Depth | 41 cm |
| Number of Solvents | 3 |
| Height | 50.7 cm |
| Pump Max. Pressure | 8700 psi |
| Width | 26 cm |
| Power Requirements | 90–120 or 220–260V; 50–60 Hz |
| Flow Accuracy | 2 % |
| Standard Flow Rate | 0.5 to 50 ml/min |
| Flow Delivery | Double Piston |
| Weight | 35 kg |
Additional Specifications
Dwell Volume: 372–2,372 µL, pressure independent
Gradient Linearity Range: 1–98% B for 10 mL/min and higher
Altitude: up to 2000 m
Temperature range: 5–40°C
Air pressure: 75–105 kPa
Pollution degree: 1 or 2, in accordance with IEC 66
Pump Options 331: single-solvent master pump (w/control panel), 0.05–50 mL/min, 60 MPa (8,700 psi)
331/332: two-solvent pumping system, 0.5–50 mL/min, 60 MPa (8,700 psi)
332: third-solvent, remote controlled pump (w/o control panel), 0.5–50 mL/min, 60 MPa (8,700 psi)
Software Via UniPoint ™ System Software and 506C interface or GSIOC slave bus