Tongtian TBP1H05S High-Pressure Dual-Piston Constant Flow Pump
| Brand | Tongtian |
|---|---|
| Origin | Shanghai, China |
| Model | TBP1H05S |
| Pressure Range | 0–5.0 MPa |
| Flow Rate Range | 1–100 mL/min |
| Pressure Pulsation | ≤0.05 MPa |
| Pressure Accuracy | ≤±0.20 MPa |
| Flow Setting Error | ≤±2% (1–50 mL/min), ≤±1.5% (50–100 mL/min) |
| Flow Repeatability | ≤±1.5% (1–50 mL/min), ≤±1% (50–100 mL/min) |
| Power Supply | 220 V ±10%, 50/60 Hz |
| Power Consumption | 75 W |
| Dimensions | 270 × 400 × 190 mm |
| Weight | 17 kg |
| Wetted Materials | Sapphire ball valves, ceramic plungers, 316L stainless steel or pure titanium pump head & fluid path |
| Communication Interface | RS232 |
Overview
The Tongtian TBP1H05S is a high-precision, dual-piston constant flow pump engineered for stable, pulse-free liquid delivery in mid-pressure analytical and preparative applications. Operating on the principle of reciprocating positive displacement with active pulsation dampening, it delivers continuous, reproducible flow across a wide dynamic range (1–100 mL/min) at pressures up to 5.0 MPa. Its core architecture integrates microprocessor-based closed-loop control, real-time pressure feedback, and adaptive flow compensation—ensuring compliance with rigorous fluid handling requirements in chromatography, reaction monitoring, solvent delivery for extraction systems, and continuous-flow synthesis. Unlike low-pressure peristaltic or syringe pumps, the TBP1H05S maintains metrological integrity under variable backpressure conditions, making it suitable for HPLC-compatible workflows, parallel reactor feeding, and multi-stream blending where flow stability and chemical resistance are non-negotiable.
Key Features
- Dual-piston design with sapphire ball check valves and ceramic plungers—providing exceptional wear resistance, minimal dead volume, and long-term flow stability in aggressive solvents (e.g., THF, DMF, concentrated acids/bases).
- Modular pump head options: 316L stainless steel (L-type) for general-purpose use; pure titanium (T-type) for halogenated, highly corrosive, or ultra-high-purity applications (e.g., pharmaceutical API synthesis, nuclear chemistry).
- Low-pressure pulsation (≤0.05 MPa) achieved via synchronized piston phasing and integrated passive damping—critical for minimizing baseline noise in UV-Vis detection and preventing column bed disturbance in preparative chromatography.
- RS232 serial interface enables full remote control and integration into LabVIEW, Python, or custom SCADA environments; supports command protocols for flow/pressure ramping, start/stop triggering, and status polling.
- Onboard overpressure protection (hardware + software thresholds) and automatic flow calibration routine—reducing risk of system failure during unattended operation.
- Tool-free access to internal modules: maintenance—including valve replacement and plunger inspection—can be performed without pump shutdown or fluid path disassembly.
- Large-bore fluid path (2/3/6 mm ID tubing compatible; 1/8″ NPT ports standard)—deliberately avoids microbore constraints typical of analytical HPLC pumps, significantly lowering clogging incidence in crude feedstock or particulate-laden solutions.
Sample Compatibility & Compliance
The TBP1H05S accommodates a broad spectrum of liquids—from aqueous buffers and organic solvents to viscous polymer solutions (up to ~500 mPa·s at 25°C) and mildly abrasive slurries. Its wetted materials meet ISO 8503-2 surface roughness standards for corrosion-resistant components and conform to ASTM F2136 for biocompatibility assessment of metallic contact surfaces. While not certified for GMP manufacturing environments out-of-the-box, its audit-ready data logging (timestamped pressure/flow records), user-accessible calibration history, and password-protected parameter modification support GLP-compliant documentation practices. The device adheres to IEC 61000-6-3 (EMC emission) and IEC 61010-1 (safety for laboratory equipment) standards.
Software & Data Management
The embedded firmware provides real-time display of actual pressure, setpoint pressure, and volumetric flow rate on the front-panel LCD. Graphical trend plotting (pressure vs. time) is accessible via the PC interface, supporting export to CSV for post-acquisition analysis in Excel or MATLAB. Flow and pressure setpoints are stored in non-volatile memory—even after power loss—enabling rapid reconfiguration between experimental protocols. The timer function allows programmable run duration (0–99 h 59 min), auto-shutdown, and scheduled start. All operational parameters—including error logs, overpressure events, and calibration timestamps—are recordable and printable directly from the host application, satisfying traceability needs under FDA 21 CFR Part 11 when deployed with validated third-party software.
Applications
- HPLC and preparative LC mobile phase delivery where pulse-free flow improves resolution and column longevity.
- Continuous-flow chemistry reactors requiring precise stoichiometric reagent dosing under elevated pressure (e.g., hydrogenation, photochemistry, electrochemical synthesis).
- Environmental sample extraction systems (e.g., ASE, SFE) demanding consistent solvent delivery across temperature gradients.
- Pharmaceutical QC labs performing dissolution testing or excipient dispersion studies under controlled hydrodynamic conditions.
- Materials science labs pumping nanoparticle suspensions or precursor solutions into CVD/ALD reactors without sedimentation-induced flow drift.
- Food safety labs conducting automated solid-phase extraction (SPE) with high-viscosity matrices (e.g., olive oil extracts, dairy concentrates).
FAQ
What is the maximum allowable viscosity for stable operation?
The pump is rated for liquids up to approximately 500 mPa·s at 25°C. For viscosities above 200 mPa·s, reduced maximum flow rates and increased dwell time between strokes are recommended to maintain accuracy.
Can the TBP1H05S be used in inert-atmosphere gloveboxes?
Yes—when equipped with the T-type (pure titanium) fluid path and optional sealed electronics housing, it operates reliably under argon or nitrogen environments without degradation.
Is firmware upgrade supported via RS232?
Yes; field-upgradable firmware is available through Tongtian’s technical support portal, enabling new protocol support, enhanced diagnostics, and regulatory feature additions.
Does the pump support analog input/output for PLC integration?
No analog I/O is built-in, but external signal conditioning modules (e.g., RS232-to-4–20 mA converters) can be deployed to interface with industrial control systems.
How often does the flow calibration require verification?
Tongtian recommends quarterly verification using gravimetric measurement per ISO 5725-2; full recalibration is advised annually or after major component replacement (e.g., plungers, valves).
