Dispensing perfection - Watson-Marlow Pumps Group - #9

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3500ml/min (55 GPH), with pressures to 100 psi
520R and 520R2 continuous tube performance
520R &520R2 pumpheads: flow ranges, 0.1-220 rpm, ml/min*
Tube bore, mm Tube bore, inch Tube number
0.5
1/50
112
0.8
1/32
13
1.6 1/16 14
3.2
16
4.8
3/16 25
6.4
1/4
17
8.0 5/i6
18
9.6
3/8
193
520R& 520R2 (continuous tubing)
Sta-Pure®
Chem-Sure®
Pumpsil®
0.0040 -9.5
0.01
-24
0.04 -97
0.18 -390
0.40 -870
0.70 -1500
1.1 -2400
1.6 -3500
Bioprene ® 64 shore tubing
0.0040 -9.0
0.01 -23
0.04 -92
0.17 -370
0.38 -830
0.67 -1500
1.1
-2300
1.5 -3300
*1gal/hr = 63.1ml/min
520 LoadSure® element pumpheads: flow ranges, 0.1-220 rpm, ml/min*
Tube bore, mm Tube bore, inch Tri-Clamp connectors
3.2
1/2"
6.4
72"
9 6
1/ "
520REL
Sta-Pure®, Chem-Sure®, Pumpsil®
0.18-390
0.70-1500
1.6-3500
(elements to 30 psi)
Bioprene® TL
0.17-370
0.67-1500
1.5-3300
520REM
Sta-Pure®, Chem-Sure®
0.18-390
0.70-1500
(elements to 60 psi)
Bioprene® TM
0.17-370
0.67-1500
520REH
(elements to 100 psi)
Bioprene® TH, Sta-Pure®
0.20-450
*1gal/hr = 63.1ml/min
\ NOW SELECT \ > YOUR DRIVE ) / PAGES 14-15 /
Construction materials: All 520 pumpheads are constructed of high performance engineering plastics and stainless steel to defeat chemical attack from process fluids and cleaning agents. The pumps are tough enough for the most arduous environments. Pumphead track: PPS; guard, inner/outer: polycarbonate; guard seal: Neoprene; rotor hub: 316 stainless steel; roller arms, rotor cover: PPS; rollers, main/guide: 316 stainless steel; main roller bearings: stainless steel with PTFE seals; drain port and nut: polypropylene; drain plug: Hytrel
Biotechnology
A biopharmaceutical customer in Southern California focusing on oxygen transport agents recently scrapped two of their rotary lobe pumps in favor of our new 520 LoadSure® element pumps.
The manufacturing process of a hemoglobin-based blood substitute involves a columnular chromatography step, which removes unreacted compounds from a protein mixture. The protein needs to be pumped in at 40-50 psi and up to 1 liter per minute. The chromatography column uses 95% ethanol and is cleaned up with bleach. The customer was using a small rotary lobe pump, however two problems persisted; the bleach caused corrosion of the pump and there were concerns with contamination due to insufficient cleaning of the lobe head. Both problems were solved with the introduction of the 520UN/REM pumps. The high pressure LoadSure® elements are easy to clean and are corrosion free.
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pageCatalog pdf di En 2012-06-22-01