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Topic: Peristaltic pump

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	Peristaltic pump - Wikipedia, the free encyclopedia
		A peristaltic pump is a type of positive displacement pump used for pumping a variety of fluids.
		Peristaltic pumps are typically used to pump clean or sterile fluids because the pump cannot contaminate the fluid, or to pump aggressive fluids because the fluid cannot contaminate the pump.
		Higher pressure peristaltic pumps which can typically operate against up to 16 bar, typically use shoes and have casings filled with lubricant to prevent abrasion of the exterior of the pump tube and to aid in the dissipation of heat.
	en.wikipedia.org /wiki/Peristaltic_pump (406 words)

	Peristaltic pump: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-11-03)
		Peristaltic pumps are typically used to pump clean or sterile fluids because the pump cannot contaminate the fluid, EHandler: no quick summary.
		A progressive cavity pump is a kind of pump which moves fluid by means of a cavity which progresses along the body of the pump....
		A diaphragm pump uses a combination of the reciprocating action of a rubber diaphragm and suitable non-return valves to pump a fluid....
	www.absoluteastronomy.com /encyclopedia/p/pe/peristaltic_pump.htm (928 words)

	Peristaltic Pumps
		In theory, suction-lift pumps should be able to lift water up to 32 feet (9.7 meters); however, in practice, anywhere from 15 to 25 feet (4.6 to 7.6 meters) is the upper limit of their effectiveness.
		Peristaltic pumps commonly have the lower pumping range (0 to 8 gpm or 0 to 30 L/min) while surface centrifugal pumps have pumping rates as high as 40 gpm (150 L/min).
		Of the seven devices tested, the peristaltic pump consistently recovered lower POC concentrations than the other devices and had the lowest precision of the four pumps tested (gear submersible, bladder, helical-rotor and peristaltic pumps); however, it had a greater precision than all three grab samplers tested (syringe, open bailer and point-source bailer).
	www.geology.sdsu.edu /classes/geol552/wellsampling/peristaltic.htm (740 words)

	Spectra/Chrom® Peristaltic Pumps
		The pump is generally one of the first things encountered by the solvent in a chromatographic separation.
		Peristaltic pumps are the most commonly used pump type for low pressure liquid chromatography.
		In these pumps, the only wetted materials are a piece of tubing, generally the same tubing used elsewhere in the system; this limits the number of materials that the solvent contacts.
	www.spectra-chrom.com /pump.htm (368 words)

	Peristaltic Pump Tubing
		In a peristaltic pump, the flow rate is determined by both the size of the tubing and the pump speed.
		In a peristaltic pump, the tubing is the only material that is in contact with the working fluid.
		Flouroelastomer tubing is both the most chemically inert peristaltic pump tubing and the shortest lived.
	www.lplc.com /tubing/pumptube.html (557 words)

	Salarollpump - Super suction portable peristaltic pump
		The Salarollpump is a unique patented peristaltic pumping system with extremely strong suction, high discharge pressure, solids handling capability and is safe to use in hazardous environments.
		Pumping high viscous media is made easier by reducing the speed of the pump.
		The pump speed can be reduced by adjusting the hydraulic oil flow to three different output speeds, 15, 30 and 45 rpm.
	www.megator.com /Salarollpump.htm (297 words)

	Solinst Model 410 Peristaltic Pump from GroundwaterSoftware.com
		Peristaltic Pump is designed for vacuum pumping or pressure delivery of liquids or gases.
		The mechanical peristaltic operation is effective to depths of 28 ft. (8.5m) at sea level, being limited only by the suction lift limit.
		When sampling for volatile organics using the peristaltic Pump it is advisable to collect samples in-line, ahead of the pump, to avoid the stripping of volatiles from the sample.
	www.groundwatersoftware.com /Equipment/solinst_model_410.htm (343 words)

	Metering Pump Technology
		Pump technologies include mechanical (motor) driven, electromagnetic (solenoid) driven and peristaltic—a self-priming pump that achieves pumping action by moving a system of rollers against a flexible tube, providing a constant seal on the pumping tube.
		The disadvantage of this pump is it does contain a motor that, when exposed to extreme conditions such as moisture and strong chemical fumes, can cause premature failure.
		The peristaltic pump differs from the mechanical and electromagnetic pumps by using a tube instead of a diaphragm to introduce chemicals into the system.
	www.wwdmag.com /wwd/index.cfm/powergrid/rfah=\|cfap=/CFID/1436144/CFTOKEN/73623888/fuseaction/showArticle/articleID/2974 (1373 words)

	Mudslinger EHP 2000-- Peristaltic Carrousel Pump
		The pumping line has a soft internal line and because of this softness, it is virtually impossible to keep the hose from separating unless the hose clamp and the hopper are connected by an external bolt-on strap.
		Pump material through the material line until a uniform consistency of material is flowing.
		The pump will now pump material backwards and the operator will be able to remove the lumps from the bottom of the hopper.
	www.monolithic.com /gallery/equipment/2000_manual (1310 words)

	Pump
		For example, they are positive displacement pumps so they are self-priming, they can pump at low to moderate flow rates, and the liquid never comes in contact with the pump itself.
		Another reason was the fact that purchased peristaltic pumps are normally very overpriced due to the predominant industry they serve (i.e., the medical industry).
		Norprene is suitable for peristaltic pumps, along with being food grade and boiling temperature rated.
	users.adelphia.net /~markvalk/pump.htm (472 words)

	Peristaltic Pumps
		This pump head accepts any flexible tubing with a wall thickness of 1/16" (1.6 mm) and an outer diameter of 7/16" (11.1 mm) or less.
		To load or unload the tubing from the pump head, the pump head must first be removed from the pump.
		Part number 146823 is required to mount 2 pump heads and part number 146828 is required to mount 3 pump heads.
	www.lplc.com /instruments/pumps.html (368 words)

	Spectra/Chrom® Peristaltic Pump Tubing
		A peristaltic pump works by squeezing the tubing shut at a point and then moving this point of occlusion to force the fluid to move.
		If the wall is too thick, the pump will squeeze to hard, reducing the life of the tubing as well as the life of the pump.
		The wall thickness of Spectra/Chrom® peristaltic pump tubing is carefully controlled to provide both long tubing life and maximum pumping efficiency.
	www.spectra-chrom.com /pertube.htm (527 words)

	Peristaltic pump - DirectIndustry.com (Site not responding. Last check: 2007-11-03)
		Peristaltic pumps are ideal for slurries, abrasive, viscous and corrosive liquids because only the tubing is in contact with the solution.
		LPP peristaltic hose pump is a new innovation in the world of peristaltic pumps.
		Pumps can be supplied with Autoprene, silicone, Tygon, Viton and Prothane tube in a number of different sizes which combined with varying motor speed options provide a flexible range of pump solutions.
	www.directindustry.com /find/peristaltic-pump.html (1538 words)

	Mudslinger EHP 1500-- Peristaltic Carrousel Pump
		After using the hose and while pump is running, wash and rinse the inside and outside with water and sponges.
		If there is a problem pumping, there is a possibility you need to either add a "shim" or take a "shim" out.
		Once the pump is set properly, the shims should never be adjusted.
	www.monolithic.com /gallery/equipment/care_pumps (439 words)

	Portable Peristaltic Sampling pump (TR-200)
		The TR-200 Peristaltic Sampling Pump is a lightweight, compact, battery powered peristaltic pump providing a fast, dependable and economical means of sampling fluids in the field.
		The pump body is clearly visible on the outside of the enclosure to facilitate inspection and replacement of tubing and rollers.
		The Pump Power Kit (containing a 10 ft (3 m) power cord with alligator clips or cigarette lighter adapter) makes it easy to power the pump from a 12 V (dc) automotive battery.
	www.durhamgeo.com /Ground-Water/peristaltic-pump.html (482 words)

	ABO Industries (Site not responding. Last check: 2007-11-03)
		The peristaltic pumping principle is based on the capacity of a soft elastomer tube to accept a deformation and subsequently recover its initial shape.
		The flow obtained is a function of the tube bore and the pump rotational speed.
		The pumped liquid acts in fact as a lubricant and coolant for the tube.
	www.abopumps.com /peristaltic.asp (294 words)

	Bellows Pumps, Oscillating Pumps, and Peristaltic Pumps \| PumpStoreUSA.com
		The pump is driven by a thermally-protected gear motor which is attached to an adjustable eccentric hub.
		The peristaltic pump is a positive-displacement pump with only one moving part.
		The pump's self-priming ability is generally up to 20', depending on the viscosity of the fluid.
	gongol.net /store/minipumps (190 words)

	LPP Peristaltic Hose Pump (Site not responding. Last check: 2007-11-03)
		A peristaltic pump is very gentle to the pumped medium and does not stir or shear it.
		Peristaltic pumps are capable of handling the heaviest, most abrasive and aggressive slurries in mining and process industries as well as high viscosity fluids in hygienic and foodstuff applications.
		LPP pump is capable of handling the heaviest, most abrasive and aggressive slurries in mining and process industries as well as high viscosity fluids in hygienic and foodstuff applications.
	impeller.net /magazine/news_en/dx736z.asp (622 words)

	Watson-Marlow Bredel Pumps - watson-marlow
		We have over one million hose and tube pumps metering, transferring and dispensing shear sensitive, abrasive and aggressive fluids in every industry such as: biopharmaceutical, chemical, water and waste treatment, food and beverage, print and packaging and ceramics...
		Peristaltic tube and hose pumps eliminate costly maintenance of valves, seals or stators because the fluid stays contained within the hose or tube...
		OEM pumps Only Watson-Marlow Bredel peristaltic pumps deliver the "must haves" that designers of OEM equipment for food and beverage, medical, laboratory and process industries need...
	www.watson-marlow.com (207 words)

	Enviro Equipment: Solinst Model 410 Peristaltic pump
		The mechanical peristaltic operation is effective to depths of 22 feet, from our experience at sea level, being limited only by the suction lift limit.
		The Solinst Peristaltic Pump has a variable pumping rate and can deliver from 10 ml/min in "sample" mode and as much as 3 L/min in "purge" mode.
		The standard pump tubing is 3/8" ID x 5/8" OD medical grade silicone, which attaches easily to a variety of down well tubing.
	www.enviro-equipment.com /rentals/solinst-410.html (262 words)

	Entegris' Sensing and Control Knowledge Base - CMP: Peristaltic Pump Concerns, Calibration
		The peristaltic pump system is not efficient, which leads to unstable processing.
		Peristaltic pump fluid regulation systems for CMP slurry applications have four primary disadvantages: maintenance, uneven flow regulation, peristaltic pump tubing particle generation, and lack of reliable flow measurement for alarming.
		Use of reliable accurate closed loop flow control to replace peristaltic pumps is extremely beneficial and enables lower maintenance processing with increased uptime and reduced scrap rate.
	www.entegris.com /products/scknowledge/CMPissues/pumpcalibration.html (248 words)

	Peristalticpumponline.Com (Site not responding. Last check: 2007-11-03)
		We have peristaltic pumps that are ideal for many applications — we have peristaltic pumps that can be employed for beverages, oil, slurries as well as for gases, powders, bases and inks.
		The 500 pump models are also a good choice and so are the 610 and 750 pump models.
		The point of difference that these pumps have from the 610 and 750 pump models is in the type of housing that the 615 and 755 models use: stainless steel.
	www.peristalticpumponline.com (626 words)

	Peristaltic Pump
		Since the liquid is contained completely within the tube, there is no contamination of the pump or fluid.
		• Ideal for pumping shear-sensitive fluids, sludges, slurries, viscous fluids, and agressive acids or caustics.
		• Changing the pump over from one fluid to another takes only minutes and is as simple as changing the hose or tube.
	www.frontierfilter.com /peristaltic.htm (181 words)

	Peristaltic Dispensing Pump suits laboratory applications., Watson-Marlow Bredel Pu
		Pump is suited for vial or bottle filling of vaccines, biological reagents, and diagnostics.
		Unlike other pumps used for metering and dosing primarily for processing and industrial applications, the 520Di is specifically targeted at dispensing and batch dosing applications in laboratory environments as well as filling lines in pharmaceutical productions.
		The gentle nature of the peristaltic pumping action is important for this type of application because of the fragility of protein string and enzyme based vaccines and other
	news.thomasnet.com /fullstory/456547 (998 words)

	Peristaltic Micro-Perfusion Pump
		The Micro-Perfusion Pump is a miniature, single or dual, channel, full-featured peristaltic pump designed specifically for low-flow rates.
		Unlike most peristaltic pumps that are driven by stepper motors, the Micro-Perfusion pump is driven by a tachometer regulated, multi-stage DC gear motor.
		The base of the pump is threaded for easy mounting to a stand or fixture near the microscope.
	www.bioptechs.com /Products/MPP/mpp.html (400 words)

	ECC's Peristaltic Pumps
		EECs syringe pumps provide accurate flow control of liquids and gases.These Syringe pumps assure uniform flow of fluid by driving the plunger of a syringe down its barrel.
		When the syringe is nearly empty, the pump will automatically stop with an audio-visual alarm.The Flow rates are pre-calibrated for use with 30 mL syringes.
		The timer can be programmed to operate the pump for any set period from 1 minute to 24 hours, in steps of 1 minute.
	eecindia.tripod.com /spPF.htm (335 words)

	FPU500:Omegaflex peristaltic Pump
		A motor turns the pump's rollers, which squeeze fluid through precision bore tubing in a wave-like motion.
		As one section of the tube fatigues, simply move the tube along to an unused section and continue pumping.
		One pump may be used for many different applications, or mount two pumps onto the motor.
	www.omega.com /pdf/tubing/pumps/fpu500/fpu500.asp (254 words)

	Peristaltic Pump Model M045 Peristaltic Pump (Site not responding. Last check: 2007-11-03)
		Model M045 is a versatile peristaltic pump ideal for a wide range of intermittent or continuous slow feed applications.
		Designed with the Original Equipment Manufacturer in mind, these liquid peristaltic pumps are compactly packaged and light in weight.
		Model M045 peristaltic pumps offer a selection of tubing materials, motor choices and options address a range of media compatibility and performance issues.
	www.clarksol.com /html/prodspecsM045Pump.htm (133 words)

	peristaltic pumps, flexible tubing, performance gears, and rubber molding \|\| Randolph Austin
		When the United States Navy needed a reliable and durable peristaltic pump for their nuclear submarines, they called the Randolph Austin Company.
		When NASA required a small, dependable peristaltic pump for the Space Shuttle program they chose a Randolph pump.
		As one of the oldest manufacturers of peristaltic pumps, Randolph has maintained a loyal following by delivering a reliable and durable pump that is simple and easy to use.
	www.randolphaustin.com (225 words)

	Verderflex - Peristaltic pump (Site not responding. Last check: 2007-11-03)
		Verderflex peristaltic pumps have a very gentle pumping action which does not damage the product being pumped which in itself is an advantage in many applications.
		These peristaltic pumps offer pumping capacities from 10 litres/hour to 80m3/hour (0.45GPM to 350GPM), discharge pressure of up to 16bar (230 PSI) and the pumps have a suction lift to 95% vacuum.
		Verderflex peristaltic pumps can be supplied with either close-coupled or robust long-coupled design, which offers maximum flexibility.
	www.verderflex.com (246 words)

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