Top Product

Cavity-style pump

The low flow, magnetic drive cavity-style design of these pumps uses rotating gears within a precision cavity to carry fluid between inlet and outlet. The driving magnet couples with the inner driven magnet, which in turn drives the pumping parts. Helical gears assure quiet, efficient operation while the use of static (rather than dynamic) seals results in leak-free, contamination-free use. This design is used in the company’s series 114, 120, 2200, 5000, 5500 and 10K pumps, with a wide range of flow and pressure capabilities and fewer wearing parts. With pulseless fluid delivery for a smooth and continuous flow, they offer excellent lift capabilities, chemical resistance and accurate metering for a range of precision applications.  Micropump Inc, Vancouver, WA.

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Integrated fluidic module

Available in 8 standard choices, the pre-plumbed LabKit integrated fluidic module incorporates the company’s high-resolution LPV variable volume pumps (250 or 750 ml) and miniature precision valves (2- or 3-way), drive electronics, 2 reservoirs and necessary tubing. Cycle life exceeds 5 million and CV is only 0.04%. Configurations include high resolution dispense ranges and synchronized multiple pump operation.  The Lee Co, Westbrook, CT.

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Single-phase pump

Eliminating the need for power-modifying phase converters or external variable speed drives, Models K80W, K83W and K100W single-phase 220V pumps provide the reliability and performance of 3-phase pumps where only single-phase power is available. Sizes range up to 5½ hp to handle heads up to 90 ft and flows up to 800 gpm.  Pumpex Inc, Somerville, NJ.

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Centrifugal pump tutorial

Available both online and as a CD-ROM, Centrifugal Pumps: Fundamentals, Design and Applications addresses centrifugal and vertical pump technology, as well as the basics of hydraulics that are required for understanding pump use and applications. The computer-based training course is available in six modules that can be accessed selectively by novices and veterans.  Hydraulic Institute, Parsippany, NY.

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Pneumatic mini pumps

The SM-3 pressure air-operated mini pump series is designed for low flow applications with pressures up to 22,500 psi. The air motor offers 4 modes of operation: standard, remote, single cycle and manual. The pump operates on the principle of differential areas: a large area air piston, driven at low pressures, drives a small area fluid piston that, in turn, pumps liquids at high pressures.  Sprague Products, Brecksville, OH.

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Miniature manifold pumps

The P901 range of miniature manifold pumps has seven models. Their square shape and compact efficiency has been dubbed "cubic power." The unit brings 2 hp with flows up to 9 gpm and pressures up to 10,000 psi. Circuits calling for higher horsepower can extend the manifold using two pumps, one for flow and one for pressure, mounted side by side on the D03 manifold.  Hydronic Corp, Farmington Hills, MI.

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Magnetic drive pump

Model 3296 EZMAG ANSI magnetic drive process pump is designed to handle difficult fluids, such as corrosives, pollutants, ultra pure liquids and toxics, eliminating the risks of leakage associated with conventional sealed pumps. The seamless, deep-drawn Hastelloy containment shell has an integral anti-vortex vane that aids in preventing erosion. It handles flows up to 750 gpm and pressures up to 275 psi.  Goulds Pumps, Seneca Falls, NY.

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Process metering pumps

LEWAtriplex Monoblock metering pumps for CO2 applications feature leak-free, sealless multi-layer PTFE or metal diaphragm designs, with positive displacement and low pump head volume. Capable of handling liquid CO2 up to 10,000 psi, these heavy-duty pumps have a precision 120-degree crankshaft, roller bearings on both ends for full support, and shock-resistant sleeve bearings on the connecting rods.  American LEWA Inc, Holliston, MA.

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Application Xtra

Ultrasonic level pump controller

The Echopump LU60 ultrasonic controller provides non-contact level measurement up to 33 ft with advanced display, tank shape linearization, and control functions with 5 relays. Each relay can be configured as a single setpoint alarm, 2 latched setpoints for automatic fill/empty control, or 2 independent setpoints for out-of-bounds alarming. Relay pairs can have alternating, lead-lag or duplexing control.  Flowline, Los Alamitos, CA.

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Mini venturi vacuum pump

This ultra-miniature air-powered venturi vacuum pump weighs less than 1 oz, measuring 1.25-in. in length and 0.56-in. OD. The quiet pumps can be located close to the work source for efficient spacing, rapid response and minimal air consumption. With no moving parts, the pump offers reliable, constant vacuum flow rather than a fluctuating flow typically associated with diaphragm pumps.

Vaccon Co Inc, Medfield, MA.

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Plastic magnetic drive pumps

Immune to rust or corrosion failures, the Webster Series R Mag Drive pump is designed to withstand aggressive environments. With a thick wall glass-reinforced polypropylene body, they are equipped with epoxy-painted motors and a PPS bushing design to guard against premature heat damage should the pump run dry or against a closed valve. The frictionless drive consumes less power than alternatives.  Hayward Industrial Products Inc, Elizabeth, NJ.

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Mini vacuum pumps

The compact JV series of mini vacuum pumps measures only 1- x 1.69-in. and is available in 4 models with or without a silencer. Weighing 16g, the pumps achieve 26-in. Hg vacuum with either 0.50 or 0.74 scfm flow rates, depending on the model. Tube connection ports are offered in 10-32/5 mm threads or 5/32-in., and the pumps operate from –10° to 80°C, unaffected by moisture.  Anver Corp, Hudson, MA.

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Vacuum management tool

Designed to maintain reliable vacuum between cup and an object under production, the SmartPump offers built-in intelligence with efficient use of compressed air and features high vacuum flow, low air consumption, intuitive programming interface, intelligent present and automatic blow-off. Compressed air flow is automatically switched off once preset levels have been achieved, thereby cutting usage costs.  IMI Norgren Inc, Littleton, CO.

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Sanitary peristaltic pumps

The Vector series sanitary grade peristaltic pump features FDA-approved Varprene or PharMed hoses, flow up to 18.5 gpm, and maximum pressure of 30 psi. They can handle fluid temperatures up to 160°F. Unlike comparable sanitary units, these pumps do not have a lubrication filled cavity to contaminate the product. The self-priming pumps can run dry without damage, and offer reversible flow.  Wanner Engineering Inc, Minneapolis, MN.

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