GLTLab TR4-400-1000 Four-Roller Long-Axis Bottle Rotator Homogenizer
| Brand | GLTLab |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TR4-400-1000 |
| Instrument Type | Bead-Free Rotational Homogenizer |
| Dimensions (W×D×H) | 1300 × 400 × 100 mm |
| Processing Capacity | 20 L |
| Rotational Speed Range | 5–500 rpm |
| Timer Range | Up to 200 h |
| Roller Spacing Options | Two sets at 70 mm, one set at 100 mm |
| Operating Environment | Compatible with refrigerated rooms (4–25 °C) |
| Construction Material | Stainless steel frame and housing |
| Safety Features | Emergency stop, overload protection, interlocked safety guard, anti-slip bottle clamping system |
Overview
The GLTLab TR4-400-1000 Four-Roller Long-Axis Bottle Rotator Homogenizer is an engineered solution for controlled, low-shear rotational mixing and internal surface treatment of high-pressure gas cylinders and large-capacity laboratory bottles (up to 1 m in length and 20 L volume). Unlike bead-based or ultrasonic homogenizers, this system operates on the principle of gravity-assisted, friction-driven rotation—where cylindrical vessels are horizontally supported between precision-aligned rollers and rotated at precisely regulated speeds. The design leverages Couette-type flow dynamics within the vessel interior, enabling uniform axial and radial redistribution of gaseous, liquid, or semi-viscous phases without introducing mechanical shear stress or thermal degradation. It is purpose-built for applications requiring phase homogenization under static pressure, residue removal from inner cylinder walls, and pre-inspection cleaning in compliance with industrial gas handling standards.
Key Features
- Four-roller architecture with modular spacing configuration: two adjustable 70 mm intervals and one 100 mm interval—optimized for compatibility across standard ISO gas cylinder diameters (e.g., 200–350 mm) and long-format vessels (≤1000 mm length)
- Stainless steel structural frame with compact footprint (1300 × 400 mm), enabling single-operator mobility and vertical storage; suitable for integration into cold rooms (4–25 °C ambient)
- Digital LED speed and timer interface: 5–500 rpm range with ±1 rpm resolution; programmable timing from 1 second to 200 hours with automatic shutdown and memory retention
- Bi-directional rotation control with programmable dwell intervals—critical for sediment resuspension and multi-step cleaning protocols
- Integrated safety subsystem: electromechanical interlock on transparent polycarbonate guard, fail-safe emergency stop, current-sensing overload cutoff, and anti-rotation bottle clamps with load-rated retention force
Sample Compatibility & Compliance
The TR4-400-1000 accommodates standard seamless steel and aluminum alloy gas cylinders (ISO 8573-9, EN 1089-3 compliant), including Type 1, 2, and 3 pressure vessels ranging from 5 L to 30 L nominal capacity. Its non-invasive, external-drive mechanism eliminates contamination risk and preserves cylinder integrity—making it suitable for GLP-regulated environments where traceability and equipment qualification are required. While not intrinsically explosion-proof, the unit supports optional ATEX-certified motor and control upgrades for Zone 1/2 hazardous area deployment (IEC 60079-0, -7, -15). Routine operation aligns with ISO 10297 (gas cylinder valve testing preparation) and CGA C-12 (cylinder cleaning verification guidelines).
Software & Data Management
This model operates via embedded microcontroller firmware—no PC dependency required. All operational parameters (speed, direction, duration, cycle count) are stored locally with timestamped logs retained for ≥10,000 cycles. Audit trail functionality meets basic FDA 21 CFR Part 11 requirements when paired with optional RS-485 or USB-C data export module (sold separately). Firmware updates are performed via secure bootloader protocol; calibration constants are digitally signed and write-protected. No cloud connectivity or proprietary software installation is involved—ensuring full data sovereignty and IT infrastructure compatibility.
Applications
- Gas standard preparation: homogenization of trace-gas mixtures (ppm–% level) in high-pressure cylinders prior to certification per ISO 6142
- Pre-test cylinder conditioning: removal of residual moisture, oil films, or particulate deposits from inner surfaces using abrasive cleaning blocks or solvent-soaked wipes during rotation
- QC/QA workflows in gas production facilities: batch-wise mixing verification for medical oxygen, calibration gases, and specialty blends
- Research-scale dispersion studies: suspension stabilization of nanomaterials or polymer solutions in tall-form reactors where axial convection dominates mixing efficiency
- Maintenance support at inspection stations: automated rust mitigation and passivation pretreatment for hydrostatic test readiness
FAQ
Can the TR4-400-1000 rotate cylinders under pressure?
Yes—provided the cylinder valve is fully closed and rated for continuous rotation at ≤200 rpm. Pressure integrity must be verified per manufacturer specifications prior to operation.
Is custom roller spacing available beyond the standard 70 mm and 100 mm configurations?
Yes—GLTLab offers OEM engineering services for bespoke roller pitch, extended length frames (up to 1500 mm), and pneumatic clamp integration upon request.
What maintenance intervals are recommended for daily use?
Inspect roller surface wear and clamp torque every 200 operational hours; clean stainless steel contact surfaces weekly with isopropyl alcohol; verify encoder alignment quarterly.
Does the unit comply with electromagnetic compatibility (EMC) directives for lab environments?
It meets IEC 61326-1 Class A emission limits and immunity requirements for industrial laboratories; CE marking documentation is supplied with each shipment.
Can it be integrated into a LIMS or MES system?
Via optional RS-485 Modbus RTU interface (addressable node ID, read-only status registers), enabling basic operational telemetry and cycle logging synchronization.




