Chu Ding Technology BT-300 Industrial Variable-Speed Peristaltic Pump

Overview

The Chu Ding Technology BT-300 Industrial Variable-Speed Peristaltic Pump is engineered for continuous, pulse-free fluid transfer in demanding industrial and pilot-scale laboratory environments. Utilizing the fundamental principle of peristalsis—where rollers compress a flexible tubing against a rigid housing to generate positive displacement—the BT-300 delivers highly repeatable volumetric flow without fluid contact with mechanical components. This design eliminates contamination risk, prevents backflow, and ensures compatibility with aggressive, viscous, or shear-sensitive media including acids, solvents, slurries, and biological suspensions. Unlike centrifugal or diaphragm pumps, the BT-300 maintains flow integrity across variable backpressure conditions up to ≥1.5 kg/cm² (≈147 kPa), making it suitable for inline dosing, chemical feed systems, fermentation broth circulation, and wastewater sampling applications where metering accuracy and tubing longevity are critical.

Key Features

• Wide adjustable flow range: 21–350 L/h, calibrated for standard silicone or thermoplastic elastomer tubing (e.g., Norprene® A-60-G, PharMed® BPT)
• Digital microprocessor-controlled speed regulation with 0–300 rpm range and high-resolution adjustment (±0.1 rpm below 2 rpm; ±1 rpm above)
• RS232 serial interface compliant with standard Modbus RTU protocol, enabling integration into SCADA, DCS, or custom LabVIEW/Python-based control architectures
• Robust aluminum alloy chassis with IP20-rated enclosure, optimized for stable operation under ambient temperatures from 0 to 40 °C and relative humidity ≤85% non-condensing
• Low electromagnetic interference (EMI) design certified to IEC 61326-1 for industrial electromagnetic compatibility
• Front-panel LED display with real-time rpm readout, direction toggle, start/stop control, and error code indication (e.g., tubing occlusion, motor stall)

Sample Compatibility & Compliance

The BT-300 is compatible with a broad spectrum of pump tubing materials—including silicone, Viton®, EPDM, and Tygon®—enabling adaptation to diverse chemical resistance requirements. Tubing selection directly governs maximum pressure rating, flow linearity, and service life; recommended inner diameters range from 6.4 mm to 16 mm depending on target flow rate and viscosity. The pump meets general-purpose industrial safety standards per IEC 61010-1 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use) and complies with RoHS Directive 2011/65/EU for hazardous substance restrictions. While not intrinsically safe, optional enclosures meeting ATEX Zone 2 or Class I Div 2 specifications can be integrated via third-party partners upon request.

Software & Data Management

The included Windows-compatible control software provides remote configuration of speed profiles, ramp-up/down timing, run duration scheduling, and real-time data logging (rpm, runtime, direction). Logged data exports to CSV format for traceability in GLP-compliant workflows. The RS232 interface supports command-line ASCII protocol (e.g., “SPEED=245rn”, “DIR=Frn”) for automated sequence execution within validated manufacturing environments. Audit trail functionality—recording user commands, timestamps, and parameter changes—is available when deployed with supplementary database middleware, supporting alignment with FDA 21 CFR Part 11 requirements for electronic records and signatures where system validation is performed by end users.

Applications

• Chemical dosing in water treatment plants and electroplating lines
• Continuous feeding of catalysts or reagents in batch and continuous-flow reactors
• Media circulation in bioreactors and fermenters (≤5 L/min at 300 rpm with 12.7 mm ID tubing)
• Automated sample delivery to online analyzers (e.g., pH, conductivity, UV-Vis spectrophotometers)
• Pharmaceutical process validation support for buffer preparation and filtration skid priming
• Environmental monitoring: composite sampling from multiple inlets using multi-channel configurations (requires external manifold)

FAQ

What tubing sizes are supported for optimal performance at maximum flow?
For rated flow up to 350 L/h, use tubing with an inner diameter of 12.7–16 mm (e.g., Masterflex L/S 17 or 25); flow linearity and pressure tolerance decrease significantly below 6.4 mm ID.
Can the BT-300 maintain constant flow under variable backpressure?
Yes—peristaltic action inherently compensates for moderate backpressure fluctuations (1.5 kg/cm² may accelerate tubing fatigue and require more frequent replacement.
Is firmware upgrade capability available via RS232?
Firmware updates are performed exclusively through authorized service centers using proprietary diagnostic tools; end-user field upgrades are not supported to ensure regulatory compliance integrity.
Does the pump support analog input (e.g., 4–20 mA) for external speed control?
No—speed control is digital-only via front-panel keypad or RS232 commands; analog interface modules are available as OEM add-ons but not bundled with standard BT-300 units.
What is the expected service life of standard silicone tubing under continuous operation at 200 rpm?
Typical lifetime ranges from 100–300 hours depending on fluid chemistry, temperature, and tubing wall thickness; Viton® or Pharmed® BPT tubing extends service life by 2–4× in aggressive media.