The type of pump head you use with your peristaltic pump can enhance your accuracy and repeatability as well as your efficiency. Some pump types make loading or replacing tubing so easy, you only lose seconds in the process.
Pump head features to keep in mind:
Adjustable Occlusion
- Reducing the occlusion increases tubing life (up to five times); reduces discharge pressure; decreases pulsation; reduces cell disruption; and increases flow slightly.
- Increasing the occlusion decreases tubing life; increases discharge pressure; increases pulsation and decreases flow slightly.
- One common technique for prolonging tubing life is to prime the pump with nominal or high occlusion, and then reduce the occlusion slightly.
Multiple Roller Design
- Ensures even flow with minimal pulsation
- Ball-bearing rollers for long service life
- Available in cold-rolled steel (CRS) or stainless steel (SS) rotor assemblies
Rugged Plastic Housings
- Molded from engineered plastics to tight specifications
- Lightweight, easy to handle
- Clear polycarbonate (PC) allows for viewing of pump head operation
- Polysulfone (PSF), polyphenylene sulfide (PPS), and polypropylene (PP) offer additional corrosion resistance
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