Masterflex I/P Three-Channel Fixed-Speed Peristaltic Pump Model 07588-87

Overview

The Masterflex I/P Three-Channel Fixed-Speed Peristaltic Pump Model 07588-87 is an industrial-grade, precision-engineered peristaltic pumping system designed for reliable, contamination-free fluid transfer in laboratory, pilot-scale, and light industrial applications. Based on the well-established I/P (Intelligent Pump) platform from Masterflex — a division of Cole-Parmer — this unit employs a robust AC induction motor driving three independently mounted Easy-Load II pump heads in precise mechanical synchronization. Unlike variable-speed systems, the 07588-87 operates at a fixed rotational speed of 150 rpm, ensuring consistent volumetric delivery without electronic speed control or feedback circuitry. Its peristaltic mechanism isolates the fluid path entirely within the tubing, eliminating valves, seals, or wetted metal parts — thereby preventing cross-contamination, minimizing maintenance, and supporting sterile or shear-sensitive media handling. The pump is particularly suited for continuous dosing, media preparation, filtration feed, buffer exchange, and multi-stream reagent delivery where repeatability, chemical compatibility, and operational simplicity are prioritized over dynamic flow modulation.

Key Features

• Bidirectional fixed-speed motor enabling pre- and post-pumping tube purge — critical for line clearance and sample integrity in sequential processing
• Three synchronized Easy-Load II pump heads (77601-10) with intuitive lever-actuated roller carriage; allows rapid, tool-free tubing loading and alignment verification
• IP55-rated enclosure providing protection against dust ingress and low-pressure water jets — supports washdown-capable operation in shared lab environments
• High-torque 370 W AC motor delivering stable mechanical output across full voltage range (190–260 VAC, 50 Hz), engineered for continuous duty cycles
• Modular architecture: compatible with up to four pump heads (via optional 07588-97 configuration); multiple heads operate at identical speed and phase, ensuring matched per-channel flow rates
• Support for thick-wall tubing (e.g., #73, #82, #89) with wall thicknesses up to 4.8 mm — optimized for viscous fluids (up to ~50,000 cP) and high-suction applications

Sample Compatibility & Compliance

The 07588-87 accommodates a broad spectrum of chemically resistant, USP Class VI-certified tubing materials, including Tygon® LFL (low-fluoride leachables), standard silicone, platinum-cured silicone, bioplatinum silicone, and enhanced bioplatinum formulations — all manufactured under ISO 9001:2000 quality management systems. Tubing selection directly governs chemical compatibility, pressure rating, and particle shedding performance. The pump meets CE marking requirements for electromagnetic compatibility (EMC Directive 2014/30/EU) and low-voltage safety (LVD Directive 2014/35/EU), and carries cULus certification for use in North American laboratories under UL 61010-1. While not inherently compliant with FDA 21 CFR Part 11, its deterministic mechanical operation and absence of embedded software make it suitable for GLP/GMP environments when integrated into validated process workflows with external audit-trail documentation.

Software & Data Management

This is a hardware-only, analog-control peristaltic pump with no onboard microprocessor, display interface, or digital communication ports (e.g., RS-232, USB, or Ethernet). Flow rate is determined solely by motor speed (150 rpm), roller geometry, and installed tubing inner diameter — making output fully predictable and traceable via physical calibration. Users perform manual flow verification using gravimetric or volumetric methods per ASTM D1298 or ISO 5667-3. For integration into automated platforms, the pump’s dry-contact run/stop terminals support external TTL or relay-based control signals, enabling synchronization with PLCs or programmable logic controllers in regulated manufacturing settings. No proprietary software is required or provided; calibration records, maintenance logs, and tubing replacement schedules are maintained externally in accordance with institutional SOPs.

Applications

• Continuous feeding of culture media or buffers into bioreactors and tangential flow filtration (TFF) systems
• Parallel dispensing of reagents across multi-well plates or chromatography columns
• Waste removal and effluent transfer in environmental monitoring stations
• Controlled addition of coagulants or flocculants in water treatment pilot studies
• Pharmaceutical excipient transfer during non-sterile oral suspension formulation
• Calibration fluid delivery in analytical instrument autosamplers requiring pulsation-dampened flow

FAQ

Can the 07588-87 be operated with only one or two pump heads installed?

Yes — the motor drives all mounted heads simultaneously, but unused head positions may remain empty without mechanical or electrical penalty. Flow rate scales linearly with number of active channels.
Is tubing life monitored or reported by the pump?

No — tubing fatigue is assessed manually based on visual inspection, flow deviation (>±5% from baseline), or scheduled replacement intervals aligned with ISO 13485 or internal quality protocols.
What is the maximum inlet suction lift for #73 tubing at 150 rpm?

Typical dry suction lift is ≤ 2.5 m H₂O for Tygon LFL and ≤ 1.8 m H₂O for silicone tubing under ambient conditions; actual performance depends on fluid viscosity, temperature, and tubing age.
Does the pump support pulseless flow?

Peristaltic action inherently produces pulsation; for reduced ripple, use larger-diameter tubing (e.g., #89), lower speeds (via external gearmotor reduction), or integrate downstream dampeners per ISO 8573-7 guidelines.
Are replacement rollers or calibrations available from Cole-Parmer?

Yes — genuine Masterflex roller assemblies (e.g., 07518-20), pump head rebuild kits (77601-11), and NIST-traceable flow verification services are offered through authorized Cole-Parmer distribution channels.