Agela ACQ-06 Automated Column Switcher
| Brand | Agela |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | ACQ-06 |
| Pricing | Available Upon Request |
Overview
The Agela ACQ-06 Automated Column Switcher is a precision-engineered fluidic routing module designed for integration into high-performance liquid chromatography (HPLC) and preparative-scale purification systems. It operates on the principle of low-dead-volume, high-repeatability valve actuation to enable deterministic, software-controlled redirection of eluent flow among up to six independent chromatographic columns. Unlike manual column switching or fixed-position multi-column manifolds, the ACQ-06 employs a rotary valve architecture with chemically resistant PEEK and stainless-steel wetted components, ensuring compatibility with a broad range of solvents—including acetonitrile, methanol, THF, and aqueous buffers—while maintaining pressure integrity up to 40 MPa (6,000 psi). Its primary function is to eliminate offline column reconfiguration, thereby reducing system downtime, minimizing solvent consumption during column equilibration, and enabling unattended sequential or parallel chromatographic separations across heterogeneous stationary phases.
Key Features
- Six independently addressable column ports supporting both serial (column-in-series) and parallel (column-in-parallel) configurations via programmable valve sequencing.
- Integrated firmware-compatible interface (RS-232/USB) for direct communication with Agela ATS-series autosamplers and preparative HPLC systems, enabling synchronized method execution and event-triggered column switching.
- Low internal volume design (< 15 µL per port path) to preserve chromatographic resolution and minimize band broadening during flow redirection.
- Software-defined switching logic: users define column selection sequences, dwell times, and trigger conditions (e.g., UV signal threshold, time-based, or fraction collector feedback) through Agela’s PurifyControl™ software suite.
- Modular mechanical architecture allowing standalone deployment or OEM integration; includes standardized 1/16″ Swagelok®-compatible inlet/outlet fittings and mounting brackets compliant with ISO 9001-certified assembly practices.
Sample Compatibility & Compliance
The ACQ-06 supports analytical to semi-preparative scale applications, accommodating column diameters from 2.1 mm to 30 mm ID and lengths up to 250 mm. It is compatible with reversed-phase (C18, C8), HILIC, ion-exchange, and size-exclusion media—enabling multidimensional separation strategies such as 2D-LC heart-cutting or comprehensive LC×LC when paired with appropriate gradient control hardware. The device complies with IEC 61000-6-2 (electromagnetic immunity) and IEC 61000-6-4 (emission) standards. Its operational firmware adheres to data integrity principles aligned with FDA 21 CFR Part 11 requirements when used in conjunction with audit-trail-enabled chromatography data systems (CDS), including electronic signature support and user-access-level configuration controls.
Software & Data Management
The ACQ-06 is fully supported by Agela’s PurifyControl™ v3.2 software, which provides a graphical method editor for defining column-switching events within sequence tables. Each switching event logs timestamp, valve position, pressure reading (via optional integrated pressure sensor), and associated method step—exportable in CSV or XML format for LIMS integration. Audit trails record all configuration changes, user logins, and method modifications with immutable timestamps. Remote monitoring is enabled via Ethernet-connected CDS platforms, permitting real-time status visualization (valve position, error codes, thermal stability) and remote emergency stop activation. Data export conforms to ASTM E1782-22 (Standard Practice for Chromatographic Data Exchange) and supports direct ingestion into Empower™, Chromeleon™, and OpenLab CDS environments.
Applications
- Automated method development for orthogonal column screening in pharmaceutical impurity profiling per ICH Q5A guidelines.
- Multi-step purification workflows requiring sequential use of capture, intermediate clean-up, and polishing columns—common in monoclonal antibody (mAb) downstream processing.
- Online sample cleanup coupled with analysis (e.g., online SPE-LC-MS), where one channel serves as trapping column and others as analytical columns.
- High-throughput natural product fractionation using mixed-mode column combinations (e.g., silica + RP-C18) under gradient-elution control.
- GLP-compliant stability-indicating assays requiring column redundancy and automated failover protocols.
FAQ
What pressure rating does the ACQ-06 support?
The ACQ-06 is rated for continuous operation up to 40 MPa (6,000 psi) at ambient temperatures between 4 °C and 40 °C.
Can it be used with non-Agela HPLC systems?
Yes—the device supports TTL and RS-232 external triggering; third-party CDS integration requires custom script mapping of valve commands per manufacturer documentation.
Is column-switching reproducible across repeated cycles?
Valve positioning repeatability is ±0.1° angular tolerance, translating to <0.5% RSD in retention time shift across 100 consecutive switches under identical flow conditions.
Does it require routine maintenance beyond seal replacement?
Annual calibration verification is recommended; PEEK rotor seals are rated for ≥500,000 switching cycles and should be replaced every 12–18 months depending on solvent aggressiveness and usage frequency.
How is system validation documented for regulated environments?
Agela provides IQ/OQ documentation templates compliant with ASTM E2500-22 and EU Annex 11, including test protocols for flow-path integrity, switching accuracy, and software audit-trail functionality.
