Constant Flow Pump
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| Brand | CoMetro |
|---|---|
| Model | CP010T |
| Flow Rate | 0.01–50 mL/min (standard range), 10 mL/min (nominal rated flow) |
| Maximum Pressure | 6000 psi (42 MPa) |
| Temperature Control Range | +10 °C to +120 °C above ambient |
| Temperature Accuracy | ±0.5 °C (PID-controlled) |
| Flow Accuracy | ±2% of setpoint |
| Flow Precision | ≤0.2% RSD |
| Power Supply | 220 V, 50 Hz |
| Wetted Materials | 316L stainless steel |
| Communication Interface | RS232, analog voltage/frequency input |
| Display | Digital front-panel with flow & temperature setpoint/readback |
| Integrated Features | Pulse dampening, suspended pump head design, check valves, bypass valve, self-cleaning module |
| Brand | Eldex |
|---|---|
| Model | 1LM1HM |
| Flow Rate | 10 mL/min |
| Maximum Pressure | 6000 psi (414 bar) |
| Viscosity Range | up to 500 cP |
| Temperature Range | up to 120 °C |
| Repeatability | ±0.3% |
| Inlet/Outlet | 1/8" Swagelok |
| Power Supply | 100–230 VAC, 50/60 Hz, 80 W |
| Dimensions (W×H×D) | 10 × 23 × 24 cm |
| Weight | 5.3 kg (standard), 6.4 kg (pulse-dampened version) |
| Brand | Eldex |
|---|---|
| Model | 2LM2HM |
| Flow Rate | 10 mL/min |
| Maximum Pressure | 6000 psi (414 bar) |
| Viscosity Range | up to 500 cP |
| Temperature Range | up to 120 °C |
| Repeatability | ±0.3% |
| Inlet/Outlet | 1/8" Swagelok (2HM configuration) |
| Power Supply | 100–230 VAC, 50/60 Hz, 80 W |
| Dimensions (W×H×D) | 10 × 23 × 24 cm |
| Weight | 5.3 kg (standard), 6.4 kg (pulse-damped version) |
| Brand | Eldex |
|---|---|
| Model | 3HM |
| Max Flow Rate | 10 mL/min |
| Max Pressure | 6000 psi (414 bar) |
| Fluid Viscosity Range | up to 500 cP |
| Temperature Range | up to 120 °C |
| Repeatability | ±0.3% |
| Inlet/Outlet | 1/8" Swagelok |
| Power Supply | 100–230 VAC, 50/60 Hz, 80 W |
| Dimensions (W×H×D) | 10 × 23 × 24 cm |
| Weight | 5.3 kg (standard), 6.4 kg (with pulse dampener) |
| Control Interface | Analog (0–5 V, 4–20 mA), RS232 |
| Piston Material | Polyethylene (PE) |
| Plunger Tip | Sapphire |
| Housing Material | 316 Stainless Steel |
| Integrated Piston Wash System | Yes (20% methanol in deionized water) |
| Brand | Eldex |
|---|---|
| Origin | Imported |
| Model | 5913 / 5943 / 5946 |
| Maximum Operating Pressure | 6000 psi (413 bar) |
| Material Compatibility | PEEK, Polyethylene (PE), Sapphire, 316 Stainless Steel |
| Seal Type | High-Pressure Dynamic Piston Seal Assembly |
| Application | Precision Constant-Flow Liquid Delivery in HPLC, SFC, and Microfluidic Systems |
| Key | Brand: Eldex |
|---|---|
| Construction | 316 Stainless Steel Housing, PEEK or Polyethylene Pistons, Sapphire Plunger Tip |
| Flow Range | 0.002–40 mL/min (model-dependent) |
| Max Pressure | 6000 psi (414 bar) |
| Viscosity Handling | up to 500 cP |
| Temp. Limit | 120 °C |
| Repeatability | ±0.3% |
| Inlet/Outlet | 1/8" Swagelok (1HM/2HM), or 1/4"-28 × 1/16" ID (for 1/8" OD tubing) |
| Power | 100–230 VAC, 50/60 Hz, 80 W |
| Dimensions (W×H×D) | 10 × 23 × 24 cm |
| Weight | 5.3 kg (standard), 6.4 kg (pulse-damped models) |
| Control | Front-panel keypad + analog (0–5 V / 4–20 mA) + RS232 digital interface |
| Integrated Piston Flush System | Methanol/20% DI water solution |
| Brand | Eldex |
|---|---|
| Model | 1LM |
| Flow Rate | 0.002–2.5 mL/min (1LM), 0.02–40 mL/min (2HM) |
| Maximum Pressure | 414 bar (1LM), 103 bar (2HM) |
| Viscosity Range | Up to 500 cP |
| Temperature Range | Up to 120 °C |
| Repeatability | ±0.3% |
| Inlet/Outlet | 1/8" Swagelok (1HM, 2HM, 3HM) |
| Power Supply | 100–230 VAC, 50/60 Hz, 80 W |
| Dimensions (W×H×D) | 10 × 23 × 24 cm |
| Weight | 5.3 kg (standard), 6.4 kg (pulse-damped version) |
| Brand | Eldex |
|---|---|
| Model | Optos 1LM1HM |
| Flow Rate | 0.002–2.5 mL/min |
| Maximum Pressure | 6000 psi (414 bar) |
| Fluid Viscosity Range | up to 500 cP |
| Temperature Range | up to 120 °C |
| Flow Repeatability | ±0.3% |
| Inlet/Outlet | 1/8" Swagelok fittings |
| Power Supply | 100–230 VAC, 50/60 Hz, 80 W |
| Dimensions (W×H×D) | 10 × 23 × 24 cm |
| Weight | 5.3 kg (standard), 6.4 kg (pulse-damped version) |
| Construction | 316 stainless steel housing, PEEK or polyethylene piston, sapphire-tipped plunger sensor |
| Control Interface | Analog (0–5 V, 4–20 mA), RS232 serial command protocol |
| Integrated Piston Flush System | compatible with 20% deionized water in methanol |
| Brand | Elite |
|---|---|
| Origin | Liaoning, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | P2000+ |
| Flow Rate | 1–2000 mL/min |
| Maximum Pressure | 20 MPa |
| Accuracy | ≤±3% |
| Flow Stability (RSD) | ≤0.5% |
| Pressure Display Error | ±5% or ±0.5 MPa |
| Sealing Integrity | Pressure Drop ≤1.5 MPa over 10 min |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤80% |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Power Consumption | 800 W |
| Dimensions (L×W×H) | 350 × 600 × 230 mm |
| Brand | Elite |
|---|---|
| Origin | Liaoning, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | P500 |
| Flow Rate | 500 mL/min |
| Maximum Pressure | 20 MPa |
| Brand | Fluigent |
|---|---|
| Origin | France |
| Model | Fluigent-Droplet |
| Flow Rate Range | 1.5 µL/min to 5 mL/min (selectable) |
| Maximum Pressure | 0–7 bar |
| Compliance | CE-marked, RoHS-compliant |
| Pump Type | Precision Pneumatic Pressure Controller (FLOW-EZ series) |
| Sensor Integration | Real-time mass flow monitoring with ±1% full-scale accuracy |
| Chip Interface | Standardized PDMS/glass/silicon microfluidic chip mounting via modular夹具 (chip holder) |
| Control Architecture | Standalone or PC-synchronized via Fluigent’s MAESFLO™ software |
| Brand | Fluigent (France) |
|---|---|
| Origin | France |
| Model | FLOW-EZ |
| Flow Range | 7 nL/min to 5 mL/min (with Flow Unit) |
| Pressure Range | −800 mbar to 7 bar |
| Pressure Stability | ±0.1% of setpoint |
| Pressure Resolution | 0.03% of full scale |
| System Response Time | ≤40 ms |
| Compatible Reservoir Volume | 2 mL to 1 L |
| Brand | Fluigent |
|---|---|
| Origin | France |
| Model | P-OEM-ULTRA |
| Pressure Range | 0–2000 mbar |
| Pressure Resolution | 600 µbar |
| Pressure Stability | < 0.1% |
| Channels | 4 |
| System Response Time | < 60 ms |
| Stabilization Time | < 100 ms |
| Pressure Input Interface | 6 mm OD |
| Compatible Gases | Non-corrosive, non-explosive (e.g., N₂, CO₂) |
| Power Supply | 220 V / 50 Hz |
| Power Consumption | 18 W |
| Operating Temperature | 5–40 °C |
| Dimensions (L×W×H) | 220 × 100 × 177 mm |
| Software Support | AIO, MAT, SDK (C/C++, MATLAB, Python, LabVIEW, Java, VB) |
| Brand | Fluigent |
|---|---|
| Origin | France |
| Model | Push-Pull |
| Flow Rate Range | 1.5 µL/min – 5 mL/min |
| Pressure Range | −800 mbar to +1000 mbar |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | HL-2D |
| Price | USD 320 (FOB Shanghai) |
| Flow Range | 2 × (0.3–900) mL/h |
| Pressure Rating | ≥3 kg/cm² (≈294 kPa) |
| Timing Range | 1 min – 19 h 59 min |
| Display | Dual-channel speed and timer digital display |
| Dimensions (L×W×H) | 120 × 120 × 180 mm |
| Weight | 3 kg |
| Brand | HNPM |
|---|---|
| Origin | Germany |
| Model | MZR-7205 |
| Flow Rate | 0.048–288 mL/min |
| Pressure Range | 0–30 bar (at 1 mPa·s), up to 40 bar (≥16 mPa·s) |
| Viscosity Range | 0.3–50,000 mPa·s (up to 1,000,000 mPa·s with optional configuration) |
| Precision | CV < 1% |
| Speed Range | 1–6000 rpm |
| Displacement | 48 µL |
| Minimum Dose | 30 µL |
| Wetted Materials | SS 316L, tungsten carbide, Ni-based alloy, graphite-reinforced PTFE, FPM (FKM) |
| Motor | 24 V DC servo motor, 44 W |
| Controller | Integrated 16-bit microcontroller |
| Interfaces | 0–10 V analog, RS-232, 1 digital I/O |
| Dimensions (L×W×H) | 155 × 50 × 69 mm |
| Weight | ~1080 g |
| Operating Temperature | −5 to +60 °C (−20 to +150 °C with optional configuration) |
| Inlet Pressure Max | 5 bar (10–40 bar with custom setup) |
| Fluid Connections | 1/8" NPT female (standard), lateral option available |
| Brand | Jiapeng |
|---|---|
| Origin | Shanghai, China |
| Model | BT-200SD |
| Flow Rate | 2 × (0.9–14,500 mL/h) |
| Pressure Rating | ≥3 kg/cm² |
| Flow Accuracy | ±0.5% |
| Speed Range | 0.1–150 rpm (bidirectional) |
| Display | 4-digit LED tachometer |
| Control | Microprocessor-based timer (run/standby), external trigger, memory retention |
| Pump Head | Dual YZ1515 |
| Tube Compatibility | #13, #14, #16, #17, #18, #19, #25 silicone or fluoropolymer tubing |
| Drive | 256-microstep stepper motor |
| Housing Materials | Titanium alloy chassis, 316 stainless steel rollers |
| Power Input | AC 220 V, 50/60 Hz |
| Dimensions | 250 × 170 × 170 mm |
| Weight | 3.5 kg |
| Brand | Jiapeng |
|---|---|
| Origin | Shanghai, China |
| Model | DHL-B |
| Flow Rate | 2 × (0.5–900) mL/h |
| Pressure Rating | ≥3 kg/cm² |
| Display | Backlit Blue LCD |
| Power Supply | AC 220 V, 50/60 Hz |
| Dimensions (L×W×H) | 125 × 150 × 180 mm |
| Weight | 1.55 kg |
| Tube Compatibility | Ø1.2×3 mm, 3×5 mm |
| Flow Calibration Range | 1–300% |
| Timing Range (Run/Sleep) | 1 s – 59 h 59 min |
| Volume Dispensing Range | 1–9999 mL or 1–99.99 L |
| Motor Control | Microstepping Stepper Motor |
| Operating Direction | Bidirectional |
| Housing Material | ABS Injection-Molded Enclosure |
| Brand | Jiapeng |
|---|---|
| Origin | Shanghai, China |
| Model | DHL-C |
| Flow Rate | 2 × (0.1–1099) mL/h |
| Pressure Rating | ≥3 kg/cm² |
| Display | 3.5-inch HD touchscreen LCD (Chinese UI) |
| Pump Head | DHL-series 6-roller peristaltic head |
| Speed Range | 0.1–75 rpm, reversible |
| Tube Compatibility | Ø1.2×3 mm and Ø3×5 mm silicone/fluoroelastomer tubing |
| Power Input | AC 220 V, 50/60 Hz |
| Dimensions (L×W×H) | 125 × 150 × 180 mm |
| Weight | 1.55 kg |
| Calibration Function | Yes (user-input actual flow for auto-correction) |
| External Control Interface | TTL-level start/stop signal output for fraction collector synchronization |
| Full-Speed Mode | Dedicated “All-Speed” key for priming and tube purging |
| Quantitative Dispensing Range | 0.1 mL–99999.9 mL |
| Timing Range | 0.1 s–99999.999 h |
| Distribution Parameters | Time per fraction 0–6553.5 s |
| Brand | LABA (Tianjin Lanbo) |
|---|---|
| Model | Pump II |
| Origin | USA |
| Type | High-Pressure, Precision Constant Flow Pump |
| Construction | Stainless Steel Fluid Path (PEEK fittings optional) |
| Control Interface | RS-232 |
| Remote Operation | Yes |
| Dual Check Valve Design | Yes |
| Automatic Pressure Protection | High/Low Pressure Cut-off |
| Self-Cleaning Pump Head | Yes |
| Quick-Drain Valve | Yes |
| LED Display | Yes |
| Seal Replacement | Tool-Free, Modular |
| Continuous Duty Rating | Yes |
| Chromatography-Compatible Flow Stability | Yes |
| Brand | LABA (Tianjin Lanbo) |
|---|---|
| Origin | USA |
| Model | SeriesIII |
| Flow Rate Range | 0.01–100 mL/min (typical for preparative constant-flow pumps) |
| Pressure Rating | Up to 400 bar |
| Power Supply | 100/110 V or 220 V, 50/60 Hz |
| Interface | RS-232 |
| Pump Head | Sapphire-plated plunger with auto-cleaning mechanism |
| Pulse Damping | Patented low-dead-volume pulse damping technology |
| Compliance | Designed for GLP/GMP-aligned laboratory environments |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | B230 |
| Flow Rate Range | 0.001–5.00 mL/min |
| Maximum Pressure | 6,000 psi (stainless steel pump heads), 5,000 psi (PEEK pump heads) |
| Pressure Accuracy | ±1% of full scale |
| Pressure Zero Drift | ±2 psi |
| Flow Accuracy | ±1% (at ≥0.2 mL/min) |
| Flow Precision | ≤0.075% RSD |
| Operating Temperature | 10–40 °C |
| Relative Humidity | 10–90% RH |
| Power Supply | 110/220 V, 50/60 Hz |
| Dimensions | 7" H × 10.5" W × 15.25" D |
| Weight | 24 lb (11 kg) |
| Interface | RS-232 |
| Compliance | Designed for GLP/GMP-aligned laboratory environments |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | Flash 150 |
| Flow Rate Range | 5.0–150 mL/min per pump head |
| Maximum Pressure | 0–200 psi |
| Flow Accuracy | ±3% (at 10–150 mL/min, with solvent correction enabled) |
| Flow Precision | High repeatability across low-viscosity solvents (e.g., hexane, dichloromethane) |
| Pump Type | Dual-head positive displacement plunger pump with ceramic plungers and HPLC-grade seals |
| Wetted Materials | 316 stainless steel throughout fluid path |
| Power Input | Universal 90–260 VAC, 50–60 Hz |
| Dimensions | 18 × 31 × 19 cm (W × D × H) |
| Weight | 9.1 kg (20 lbs) |
| Control Interfaces | Front-panel digital keypad, RS-232 serial port |
| Software Compatibility | CSChrom chromatography software |
| Optional Controller | SCU-470 dual-pump standalone controller for isocratic/gradient operation |
| Solvent Correction | Built-in front-panel flow calibration function for density/viscosity compensation |
| Check Valves | Stainless-steel outlet check valves to prevent backflow during pump refill cycles |
| Brand | LabAlliance |
|---|---|
| Origin | USA |
| Model | Flash 300 |
| Flow Rate | 0.1–300.0 mL/min |
| Maximum Pressure | 200 psi |
| Flow Accuracy | ±3% (at 10–250 mL/min, with calibration enabled) |
| Power Supply | 90–260 VAC, 50–60 Hz |
| Dimensions | 178 × 305 × 191 mm (W × D × H) |
| Weight | 9.1 kg (20 lbs) |
| Control Interface | Front-panel digital keypad + RS-232 serial port |
| Pump Type | Dual-head positive displacement piston pump |
| Piston Material | Ceramic |
| Seal Material | UHMWPE (ultra-high-molecular-weight polyethylene), HPLC-grade |
| Check Valve | Sapphire ball |
| Fluidic–Electrical Isolation | Yes |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | Flash100 |
| Flow Rate Range | 0.1–100.0 mL/min |
| Maximum Pressure | 500 psi |
| Pressure Fluctuation | ±4% at 250 psi / 50 mL/min |
| Zero-Pressure Calibration Accuracy | ±2 psi |
| Flow Accuracy | ±2% |
| Flow Precision | 0.15% RSD |
| Dimensions | 5.5" H × 10.5" W × 17.5" D |
| Weight | 13.6 lb (6.6 kg) |
| Control Interfaces | TTL Start/Stop Input, 0–10 V / 0–10 kHz Analog Flow Setpoint Input, RS232 Serial Communication |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | Mighty |
| Drive Type | Stepper Motor |
| Pump Head | Single Plunger |
| Max Flow Rate | 5.00 mL/min |
| Max Pressure | 500 psi |
| Control Interface | Digital Keypad + RS-232 |
| Pump Type | Positive Displacement Constant Flow Pump |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Model CP |
| Price | Upon Request |
| Flow Rate | 0.01–12 mL/min or 0.01–24 mL/min |
| Maximum Pressure | 9,990 psi (689 bar) |
| Flow Accuracy | ±2% |
| Flow Precision | 0.075% RSD |
| Pressure Accuracy | ±1% of Full Scale |
| Dimensions | 6" H × 11" W × 18" D (152 × 279 × 457 mm) |
| Weight | 30 lb (14 kg) |
| Interface | RS-232, 0–10 V analog input, 0–10 kHz frequency input, TTL start/stop trigger |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | PREP-250 |
| Flow Rate | 0.001–250 mL/min |
| Maximum Pressure | 6,500 psi (at 250 mL/min) / 9,000 psi (at ≤230 mL/min) |
| Pressure Ripple | ±0.5% at 3,000 psi and 150 mL/min |
| Flow Accuracy | <2% |
| Flow Precision | ≤0.5% RSD |
| Zero-Pressure Calibration | ±2 psi |
| Dimensions | 35.6 × 55.9 × 22.9 cm (W×D×H) |
| Weight | 22.7 kg |
| Communication | RS-232 serial interface, TTL run/stop input, 0–10 V & 0–10 kHz analog flow control |
| Optional Features | Real-time pressure monitoring with user-defined high/low limits, high-pressure gradient capability via dual PREP-100 configuration or standalone keypad controller |
| Brand | Laballiance |
|---|---|
| Origin | USA |
| Model | Prep100/24 |
| Flow Rate | 0.1–24 mL/min (Prep24) / 0.1–100 mL/min (Prep100) |
| Maximum Pressure | 6,000 psi (Prep24) / 3,000 psi (Prep100) |
| Pressure Ripple | ±1% at 3,000 psi and 100 mL/min |
| Flow Accuracy | ±2% |
| Flow Precision | 0.15% RSD |
| Zero-Pressure Calibration | ±2 psi |
| Dimensions | 10.375" W × 17.5" D × 5.5" H |
| Weight | 35 lb (16 kg) |
| Communication Interface | RS-232 serial port |
| Control Inputs | TTL run/stop, 0–10 V analog flow control, 0–10 kHz frequency-based flow control |
| Pressure Monitoring | Real-time with user-definable upper/lower limits |
| Gradient Capability | Dual-pump high-pressure gradient configuration supported (up to 200 mL/min) |
| Pump Head | Self-cleaning design with high-speed wash valve |
| Fluid Path | Stainless steel or optional PEEK tubing |
| Valve Architecture | Dual-ball-seat check valves |
| Motor Fault Detection | Integrated |
| Display | Front-panel LED with 0.1 mL/min resolution |
| Brand | LabAlliance |
|---|---|
| Origin | USA |
| Model | Q-Grad |
| Flow Rate | 0.001–5.0 mL/min per pump head |
| Maximum Pressure | 6,000 psi (stainless steel), 5,000 psi (PEEK) |
| Pressure Ripple | ≤1% at 1,000 psi and 1 mL/min |
| Gradient Accuracy | ±0.1% of set value at 1 mL/min and 1,000 psi |
| Flow Accuracy | ±1% |
| Flow Precision | ≤0.075% RSD |
| Pressure Accuracy | ±1% of full scale |
| Communication | RS-232 (per pump), TTL |
| Dimensions | 9" H × 15" W × 21.5" D (without solvent rack) |
| Power | 110–240 VAC |