Sanotac GJ0530 High-Pressure Constant Flow Pump for Microreactor System Integration
| Brand | Sanotac |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | GJ0530 |
| Price Range | USD 1,400 – 2,800 |
| Flow Range | 0.01–50.00 mL/min |
| Flow Increment | 0.01 mL/min |
| Flow Accuracy | ±0.5% |
| Flow Precision (RSD) | ≤0.1% |
| Maximum Pressure | 30 MPa |
| Pressure Pulsation | ≤0.2 MPa |
| Pumping Mechanism | Dual Parallel Plunger with Floating Plunger Design |
| Wetted Materials | 316L Stainless Steel, Sapphire, PTFE, Ceramic |
| Tubing Connection | 1/16" Standard Fitting |
| Display | 256×64 Dot Matrix Self-Illuminating LCD |
| Control Interface | Front Panel Keypad + RS232/USB Remote Control |
| Power Supply | 85–264 VAC, 50 Hz |
| Dimensions | 370 × 240 × 152 mm |
Overview
The Sanotac GJ0530 High-Pressure Constant Flow Pump is an engineered solution designed specifically for precise, stable, and continuous fluid delivery in microreactor system integration, catalytic evaluation rigs, fixed-bed reactors, tubular flow reactors, and high-pressure hydrogenation setups. Operating on a dual parallel plunger architecture with floating plunger compensation, the pump delivers consistent volumetric displacement under variable backpressure—critical for maintaining stoichiometric control and residence time accuracy in continuous-flow chemistry. Its core functionality is rooted in positive displacement metering, where mechanical actuation of precision-machined plungers—guided by cam-driven motion profiles—ensures minimal compressibility-induced deviation across pressure gradients up to 30 MPa. Unlike peristaltic or syringe-based systems, the GJ0530 eliminates pulsation-related mixing artifacts and enables long-duration unattended operation—essential for kinetic studies, catalyst lifetime assessment, and process intensification workflows.
Key Features
- Parallel dual-plunger design with real-time floating plunger compensation to maintain volumetric fidelity across pressure fluctuations from ambient to 30 MPa
- Electronically suppressed pressure pulsation (≤0.2 MPa), minimizing flow-induced vibration and improving downstream sensor stability
- Multi-point flow calibration algorithm integrated into firmware, correcting for fluid compressibility and thermal expansion effects in real time
- Chemically inert wetted path comprising 316L stainless steel, sapphire check valves, PTFE seals, and ceramic plungers—compatible with aggressive solvents, H₂, CO, NH₃, and corrosive reagents
- Self-illuminating 256×64 dot-matrix LCD with intuitive menu navigation; supports both local keypad operation and remote command via RS232 or USB interface
- Compliant with IEC 61000-4 electromagnetic compatibility standards; CE-marked for laboratory use in EU-regulated environments
Sample Compatibility & Compliance
The GJ0530 accommodates a broad range of process fluids—including aqueous electrolytes, organic solvents (e.g., THF, DMF, acetonitrile), supercritical CO₂, hydrogen gas (when used with compatible gas-tight configurations), and heterogeneous slurries (with optional filter inlet protection). Its 316L stainless steel and sapphire/PTFE/ ceramic fluidic path ensures resistance to chloride-induced stress corrosion cracking and oxidation at elevated temperatures. The pump meets material traceability requirements under ISO 9001:2015 and conforms to mechanical safety provisions outlined in EN 61010-1 for laboratory equipment. For regulated pharmaceutical development, it supports audit-ready operation when paired with validated control software enabling 21 CFR Part 11-compliant electronic records and signature workflows.
Software & Data Management
The GJ0530 supports bidirectional communication via standard RS232 and USB protocols. Sanotac’s optional LabPumpControl™ software provides programmable gradient profiles (linear, step, exponential), real-time flow/pressure logging at 10 Hz resolution, automated method recall, and CSV export for integration with LIMS or ELN platforms. All operational parameters—including setpoints, actual flow rate, pressure feedback, error codes, and runtime hours—are timestamped and stored locally on-device memory with non-volatile retention. Firmware updates are performed via signed binary packages to ensure integrity, and configuration changes trigger automatic audit trail entries compliant with GLP and GMP documentation practices.
Applications
- Continuous-flow synthesis of APIs and fine chemicals in microchannel reactors (e.g., Corning AFR, Chemtrix systems)
- Catalyst screening and deactivation studies in fixed-bed and trickle-bed reactors under industrially relevant pressures (up to 30 MPa)
- Hydrogenation, hydroformylation, and carbonylation reactions requiring precise H₂/substrate ratio control
- Supercritical fluid processing (scCO₂ extraction, impregnation) with stable mass flow delivery independent of density variation
- Integration into automated reaction platforms (e.g., Chemspeed, Uniqsis) for DoE-driven process optimization
- Calibration reference source for inline flow meters (Coriolis, ultrasonic) in pilot-scale continuous manufacturing lines
FAQ
What materials are in contact with the fluid path?
The wetted components consist of 316L stainless steel pump heads and manifolds, sapphire check valves, PTFE seals, and ceramic-coated plungers—selected for mechanical durability and chemical resistance across pH 0–14 and temperatures up to 120°C.
Can the GJ0530 be operated in constant pressure mode?
No—the GJ0530 is a constant flow pump optimized for volumetric delivery. For pressure-regulated applications, Sanotac offers complementary back-pressure regulators (BPRs) rated to 42 MPa that integrate seamlessly upstream or downstream.
Is firmware upgrade supported in the field?
Yes—firmware updates are delivered as digitally signed binaries and installed via USB connection using Sanotac’s certified utility; all versions are archived and version-controlled per ISO 13485 requirements.
Does the pump support gradient elution like HPLC systems?
While not designed for analytical chromatography, the GJ0530 supports programmable multi-step flow profiles (e.g., ramping from 0.1 to 25 mL/min over 30 minutes) suitable for staged reagent addition in segmented flow reactors.
What safety certifications does the unit carry?
The GJ0530 carries CE marking per EN 61010-1:2010 and complies with EMC directive 2014/30/EU; it is not intrinsically safe but may be integrated into Class I, Division 2 hazardous area systems with appropriate enclosure rating (IP54 minimum).

