{"product_id":"watson-marlow-peristaltic-pump-520s-drive-220-rpm","title":"Watson Marlow Peristaltic Pump 520S Drive 220 RPM","description":"\u003ch3\u003eWatson-Marlow 520S IP31 Peristaltic Pump Drive (056.7131.00A) – 220 RPM\u003c\/h3\u003e\n\u003cp\u003eThe Watson-Marlow 520S (056.7131.00A) is an industrial-grade, microprocessor-controlled peristaltic pump drive engineered for high-precision fluid transfer in biopharmaceutical, chemical synthesis, and regulated laboratory environments. Operating at speeds up to 220 RPM with a 25:1 speed control ratio, this robust drive delivers exceptional dosing accuracy and reproducible flow rates. Housed in an IP31-rated enclosure, it provides clean, oil-free horizontal displacement that isolates sensitive media from the pump mechanisms, making it an ideal workhorse for scale-up processes and GMP production lines.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance \u0026amp; Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Precision Brushless DC Drive: Powered by a maintenance-free brushless DC motor that delivers a variable speed control range from 4 to 220 RPM, achieving smooth, pulsatile-managed flow profiles.\u003c\/li\u003e\n\u003cli\u003eIntuitive Membrane Control Interface: Designed with a clear digital LCD display paired with a chemical-resistant membrane keypad, allowing operators to easily set precise RPM metrics, toggle flow direction, and manage simple calibration steps.\u003c\/li\u003e\n\u003cli\u003ePIN-Protected Software Interlocks: Features a keypad lock function with customizable security PIN codes, preventing unauthorized protocol modifications and ensuring process parameters remain strictly validated during long continuous runs.\u003c\/li\u003e\n\u003cli\u003eRugged IP31 Enclosure Architecture: Encased in a durable, powder-coated aluminum housing rated for IP31 ingress protection, providing robust defense against dry particulates and vertically falling liquid drops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel Series \/ SKU: 520S Drive \/ Catalog No. 056.7131.00A\u003c\/li\u003e\n\u003cli\u003eRotational Speed Range: 4 to 220 RPM (Infinitely variable)\u003c\/li\u003e\n\u003cli\u003eSpeed Control Ratio: 25:1\u003c\/li\u003e\n\u003cli\u003eIngress Protection Rating: IP31 (Protected against solid objects over 2.5 mm and condensation drops)\u003c\/li\u003e\n\u003cli\u003eUser Interface Panel: Large digital LCD with tactile membrane programming keys\u003c\/li\u003e\n\u003cli\u003eDirectional Profile: Bi-directional (Reversible flow orientation for priming or purging fluid paths)\u003c\/li\u003e\n\u003cli\u003eEnclosure Materials: Heavy-duty epoxy-powder coated aluminum chassis\u003c\/li\u003e\n\u003cli\u003eElectrical Architecture: 100V - 240V AC, 50\/60 Hz (Universal auto-switching voltage layout)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits \u0026amp; Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBioprocessing \u0026amp; Cell Culture Feeding: Delivers low-shear horizontal displacement, ensuring delicate mammalian cells, proteins, and nutrient media are pumped without mechanical lysis or degradation.\u003c\/li\u003e\n\u003cli\u003eTangential Flow Filtration (TFF) \u0026amp; Scale-Up: Provides the steady differential pressures and predictable flow kinetics required for standard ultrafiltration and cross-flow filtration loops.\u003c\/li\u003e\n\u003cli\u003eChemical Dosing \u0026amp; Acid\/Base Dispensing: Since fluids only contact the interior wall of the flexible tubing, this drive safely manages aggressive solvents, strong acids, and volatile chemical reagents without risking system corrosion.\u003c\/li\u003e\n\u003cli\u003eZero Cross-Contamination Maintenance: Changing lines or fluid paths takes seconds—simply release the tube clamps on the matching pumphead, thread a new sterile tubing assembly, and begin the next batch validation run without intermediate sanitation hold times.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsed, tested to be in great working condition. See working video \u003ca href=\"https:\/\/youtu.be\/eBRW49LKGGg\" title=\"Watson Marlow Peristaltic Pump 520S\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eWatson-Marlow™ is a registered trademark of Watson-Marlow Fluid Technology Group. The 056.7131.00A catalog entry designates the standalone 520S drive unit only. Compounding accessories, including modular 520 series pumpheads (e.g., 520R or 520REL) and peristaltic tubing elements, must be selected independently to finalize your volumetric delivery metrics.\u003c\/small\u003e\u003c\/p\u003e","brand":"Watson Marlow","offers":[{"title":"Default Title","offer_id":49157641666812,"sku":"10781","price":950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/IMG_3703_Shopify1024.jpg?v=1780518376","url":"https:\/\/lifesciencestrading.com\/es\/products\/watson-marlow-peristaltic-pump-520s-drive-220-rpm","provider":"Life Sciences Trading","version":"1.0","type":"link"}