DHS BS600 Automated Aseptic Tube Sealer
| Brand | DHS |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | BS600 |
| Pricing | Available Upon Request |
Overview
The DHS BS600 Automated Aseptic Tube Sealer is an engineered solution for reliable, repeatable, and contamination-controlled sealing of thermoplastic tubing in regulated laboratory, bioprocessing, and pharmaceutical environments. It operates on the principle of resistive thermal sealing—employing dual precision-heated elements to simultaneously apply controlled pressure and localized heat to the tubing wall. This coaxial compression-and-heating mechanism induces uniform polymer melting across the contact zone, resulting in a hermetic, particle-free seal with minimal thermal degradation or extrusion. Unlike manual or semi-automated alternatives, the BS600 eliminates operator-dependent variability and ensures consistent seal integrity under ISO Class 5 (or better) laminar flow conditions. Designed for integration into closed-system workflows—including single-use bioreactor manifolds, chromatography skids, and cell therapy fluid paths—the device supports aseptic disconnect protocols compliant with USP , EU GMP Annex 1, and FDA guidance on sterile process validation.
Key Features
- Wide tube compatibility: Seals thermoplastic tubing with outer diameters ranging from 6.35 mm (¼″) to 25.4 mm (1″), with field-configurable tooling options available for custom diameter expansion.
- Stable thermal sealing profile: 20 mm wide heating zone ensures broad melt distribution, reducing risk of pinholes, cold welds, or asymmetric fusion—critical for maintaining extractables/leachables compliance per USP .
- Proven operational reliability: Validated for ≥100 consecutive successful seals without recalibration or intervention; each unit undergoes individual functional testing prior to shipment, including temperature uniformity mapping and pressure calibration verification.
- Flexible deployment: Lightweight chassis (≤8.5 kg) with integrated hanging bracket enables benchtop use, wall-mounting, or mobile deployment within cleanrooms or isolators—no external support structure required.
- Intuitive human-machine interface: Touchscreen control panel with one-touch sealing cycle initiation; real-time status indicators (heating phase, compression dwell, cooling confirmation) provide immediate visual feedback.
- Regulatory-grade software architecture: Three-tier user permission system (Operator / Supervisor / Administrator) with full audit trail logging (ISO/IEC 17025-compliant timestamped records), electronic signature support, and immutable data export (CSV/Excel).
Sample Compatibility & Compliance
The BS600 is validated for use with medical-grade thermoplastics including but not limited to polyvinyl chloride (PVC), thermoplastic polyurethane (TPU), and ethylene vinyl acetate (EVA) tubing—materials commonly specified in single-use systems per ASTM F2028 and ISO 11607-1. Seal integrity is verified via dye penetration testing (ASTM F1929) and internal pressure hold (≥2 bar for 30 s). The device meets electromagnetic compatibility requirements per IEC 61326-1 and safety standards per IEC 61010-1. All firmware and software modules are designed to support 21 CFR Part 11 readiness when deployed with validated IT infrastructure.
Software & Data Management
Embedded firmware supports configurable sealing parameters—including dwell time (0.5–5.0 s), heating temperature setpoint (120–220 °C, ±2 °C accuracy), and compression force (adjustable via calibrated spring mechanism). Data logs include date/time stamp, operator ID, seal count, parameter settings, and pass/fail status per cycle. Audit trails are stored locally on encrypted internal memory and exportable via USB port; no cloud connectivity is enabled by default to maintain network isolation in GxP environments. Optional integration with LIMS or MES platforms is supported through RS-232 or Modbus RTU protocols.
Applications
- Aseptic disconnection of fluid paths in upstream bioprocessing (e.g., harvest lines, buffer transfer loops)
- Sealing of cryogenic storage tubes during cell therapy manufacturing
- Preparation of sterile sample containers for QC microbiology testing
- Closed-system filling line interventions requiring rapid, validated tube severance
- Research-scale bioreactor sparging and sampling line management
FAQ
What tubing materials are validated for use with the BS600?
The device is validated for PVC, TPU, and EVA tubing meeting ISO 10993-5 cytotoxicity and USP biological reactivity specifications.
Does the BS600 require external compressed air or vacuum sources?
No—mechanical compression is fully self-contained via calibrated spring actuation; no utility connections are needed.
Can seal parameters be locked to prevent unauthorized modification?
Yes—administrator-level access is required to modify temperature, dwell time, or force settings; all changes generate an auditable entry.
Is IQ/OQ documentation available for GMP installation?
Yes—DHS provides standardized qualification templates (including test protocols, acceptance criteria, and execution records) aligned with ASTM E2500 and Annex 15.
What maintenance is required for long-term operation?
Routine cleaning of heating elements with isopropyl alcohol and periodic verification of compression alignment using included gauge blocks—no scheduled calibration intervals beyond annual user verification.
