Product Overview
The Agilent G1311-69701 is an Active Inlet Valve assembly engineered as a precision fluid-handling spare for Agilent 1100, 1200, and 1260 Infinity series HPLC pump modules. This component serves as the primary inlet control element on the low-pressure side of the analytical pump, using an electronically actuated solenoid mechanism to synchronize valve opening with the pump piston intake stroke. By actively gating solvent flow rather than relying on passive check-ball behavior, the valve improves volumetric repeatability, reduces pulsation, and supports stable gradient performance in demanding chromatographic methods. As a factory-specified replacement part, it restores original flow accuracy and retention-time reproducibility to the instrument.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | General Industrial Parts > Spares & Accessories (Active Inlet Valve Assembly) |
| Model Designation | G1311-69701 |
| Manufacturer | Agilent Technologies |
| Compatible Instrument Series | Agilent 1100 / 1200 / 1260 Infinity HPLC pump modules |
| Operating Pressure | Standard analytical HPLC grade (up to rated system pressure) |
| Actuation Principle | Electronically controlled solenoid, piston-stroke synchronized |
| Wetted Materials | Inert analytical-grade materials compatible with common HPLC solvents and buffers |
| Mounting & Connection | Direct OEM interface, drop-in replacement fitment |
Engineering Features & Advantages
- Precision Performance: Active solenoid actuation synchronizes valve timing with the pump piston stroke, improving flow precision and reducing low-pressure pulsation for more stable baselines.
- Industrial Reliability: Built for continuous operation in high-throughput analytical laboratories, with a service life matched to OEM maintenance intervals.
- Direct Fit Replacement: Exact dimensional and functional compatibility with the original Agilent G1311-69701, requiring no modification or adapter hardware.
- Gradient Reproducibility: Consistent inlet sealing supports accurate solvent proportioning, protecting retention-time repeatability in gradient methods.
Typical Industrial Applications
This active inlet valve is used in analytical and QC laboratories operating Agilent HPLC systems, including pharmaceutical method development and dissolution testing, contract research and bioanalytical workflows, food safety and environmental residue analysis, and chemical/petrochemical purity testing where reliable solvent delivery is critical to data integrity.
PRODUCT IMAGES
Agilent G1311-69701 Analytical Instrument Active Inlet Valve
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine Agilent G1311-69701 Solenoid Valve. This USA-made 24V DC hydraulic component features a 2-way normally closed design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.