Latest New Product News from American Lewa, Inc.
Diaphragm Pumps produce melamine resins and adhesives.American Lewa, Inc. Holliston, MA 01746 1455
Nov 01, 2004 LEWA Diaphragm Pumps feature heat jacket for entire pump head cover and valve body to ensure that urea will remain liquid. Capable of handling up to 155°C and 220 bar to prevent solidification of product, pumps incorporate totally enclosed, sealless pump head design with PTFE sandwich diaphragm as well as diaphragm pre-positioning device to prevent damage at start-up. Product is offered with multiple pump heads and are hydraulically actuated.
Diaphragm Pumps feature start-up assist valve.American Lewa, Inc. Holliston, MA 01746 1455
Aug 30, 2004 Hydraulically-actuated process diaphragm pumps use Start-Up Assist Valve, which provides bypass for hydraulic fluid to preposition diaphragm at rear while pump is still at rest. Valve reduces torque requirements at start-up and permits use of lower hp motor. Featuring wetted and totally enclosed, sealless pump head and PTFE sandwich diaphragm, pumps handle flow rates from mls/hr to thousands of gal per pump head and pressures up to 17,500 psig.
Diaphragm Pumps are suited for use in chromatography.American Lewa, Inc. Holliston, MA 01746 1455
Aug 03, 2004 Triplex Diaphragm Pumps feature wetted and totally enclosed, sealless pump heads and PTFE sandwich diaphragms, which provide phased delivery to ensure low pulsation levels. Suited for extractions and neutralizations, pumps meet Fraunhofer Cleanroom Suitability Qualification EHEDG. They are available in configurations to support flow rates from ml/hr to thousands of gallons per pump head and pressures up to 17,500 psig at greater than ±1% accuracy.
Diaphragm Pumps eliminate emissions of sulfur gas.American Lewa, Inc. Holliston, MA 01746 1455
Jun 30, 2004 Sealless Diaphragm Process Pumps feature hermetically tight diaphragm that isolates process fluids from hydraulic system and can pump up to 500 gpm at 3,500 psig for sequestering 100% of CO2. Capable of processing acid gas as liquid after 3rd stage, green chemistry pumps eliminate emission of sulfur compounds and CO2. They provide volumetric efficiencies up to 80% and include alarm functions for process fluid containment to ensure safety.
Dye Metering Systems handle flows from 5 cc/min to 50 gph.American Lewa, Inc. Holliston, MA 01746 1455
Jan 06, 2004 Series M900 features pump heads with sealless PTFE sandwich diaphragms that provide ±0.5% accuracy and >99.97% repeatability to assure uniform dye intensity on finished paper. Eliminating need for batch make-downs, auxiliary pumps allow color change-over within 10 min, with zero pump leakage. Systems offer stroke length and speed control to adjust flow output over ranges exceeding 50:1. They can be mounted on skids and include drip pans and containment systems.
Diaphragm Pump Head starts in correct position every time.American Lewa, Inc. Holliston, MA 01746 1455
Aug 27, 2003 Safe from over-pressure, vacuum, and low suction conditions, LEWA Series M900 has PTFE sandwich diaphragm that handles pressures up to 5,800 psig, with 10 psi suction lift, and clean flow path. Diaphragm protection system keeps diaphragm in rear position at rest. Able to handle difficult fluids up to 100,000 CPS, product is suited for flows from 0.26â€“2,600 gph. Product includes diaphragm condition monitoring system that senses if one layer of PTFE sandwich diaphragm is damaged.
Process Metering Pumps suit CO2 wafer cleaning applications.American Lewa, Inc. Holliston, MA 01746 1455
Jul 31, 2003 LEWAtriplexâ„˘ Monoblock Metering Pumps are capable of handling liquid CO2 in supercritical state at up to 8,000 psi. They incorporate leak-free, sealless, multi-layer, PTFE or metal diaphragms with positive displacement that are never exposed to atmosphere. Pumps are inherently cool-running and can incorporate optional cooling jackets. Additional offerings include triple-throw crankshaft fully immersed in oil, roller bearings, and shock-resistant sleeve bearings
CO2 Process Metering Pumps suit water-free systems.American Lewa, Inc. Holliston, MA 01746 1455
Apr 09, 2003 Available in single- or multiple head configurations, LEWA E Series Hygienic Diaphragm Pumps are suited for CO2 process metering in water-free systems. They incorporate leak-free, sealless diaphragm technology with smooth internals and no dead spaces. While diaphragm keeps CO2 in liquid state, pumps handle pressures up to 17,500 psi and are suitable for metering and transfer from 0.1â€“360 GPH with less than 1% accuracy.
Metering Pumps improve plastic foam materials production.American Lewa, Inc. Holliston, MA 01746 1455
Mar 13, 2003 LEWAtriplexâ„˘ Monoblock Blowing Agent Metering Pumps inject foaming agents at pressures to 7,250 psi, over flow range to 1,300 gph by adjusting motor speed of three pumping heads. Featuring leak-free, sealless diaphragm technology, positive displacement, and low head volume, pumps provide ±1% accuracy for controlling thickness, density, and strength of foamed material being produced. All pump heads are driven by triple-throw crank shaft fully immersed in oil.
Metering Pumps facilitate gas-to-liquid conversions.American Lewa, Inc. Holliston, MA 01746 1455
Jan 21, 2003 With stainless steel parts in contact with molten wax material, EH Series Plunger Pumps operate at pressures up to 1400 psi @ 750°F with flow rates up to 30 GPM. Pumps incorporate plunger seals made from graphite with Hastelloy C sealing rings and double-extended, fully sealed stuffing box to isolate gear box. Configurations range from 1â€“12 pump heads that provide max rod thrust of 3,600 lb-ft. Offerings include infinitely and linearly variable stroke length from 0â€“30 mm.
Methanol Injection Packages prevent hydrate formation.American Lewa, Inc. Holliston, MA 01746 1455
Oct 25, 2002 Packages can be supplied in various configurations that provide up to 17,500 psi with flow rates up to 100 gpm for inhibiting hydrate formation in pipelines and wellhead of offshore platforms. Hermetically-tight, sealless diaphragm pumps isolate process fluid from hydraulic system. Available configurations include manual or automated stroke length control, speed control, and fixed volume delivery, with continuous injection (gas lines) and intermittent injection (oil).
Injection System provides uninterrupted well operation.American Lewa, Inc. Holliston, MA 01746 1455
Aug 08, 2002 Model EKO Solar-Powered Injection System for oil and gas wells is fully self-contained and features sealless metering pump that can inject corrosion inhibitors at up to 72 gal per day against 3,700 psi. Pump has 2 PTFE diaphragms that isolate process fluid, providing double containment with zero-leakage, run-dry tolerance, and overload protection. It requires less than 160 W of DC power, which is provided by solar panel array, battery pack, and controls.
Pump Head handles viscous fluids to 100,000 cps.American Lewa, Inc. Holliston, MA 01746 1455
Jul 29, 2002 Series M800 Pump Head features PTFE sandwich diaphragm, which is freely oscillating with position control that allows handling of difficult fluids. Capable of flow rates to 265 gpm and discharge pressures up to 11,600 psi, pump head is safe against high suction pressure due to full diaphragm rear support. There are no perforated support plates in operating chamber. Unit incorporates hydraulic drive with packless sealing plunger, and can operate up to 20,000 hours.
Condensate Pumps eliminate flaring to atmosphere.American Lewa, Inc. Holliston, MA 01746 1455
Jun 13, 2002 Closed-Drain leak-tight condensate re-injection pumps provide flow rates from 10 to 157 barrels/hr. They have two PTFE diaphragms that are sandwiched and operate in balance, providing double containment with zero-leakage, run-dry tolerance, and overload protection. Unaffected by dirt, moisture, and contaminants, pumps accept high suction pressure up to 5,000 psi and control fluid being drawn off. Pumps eliminate flaring to atmosphere through closed-loop pumping.
Metering Pumps offer manual, electric, or pneumatic actuation.American Lewa, Inc. Holliston, MA 01746 1455
May 14, 2002 Modular Metering Pumps include sealless diaphragm or sealed-plunger design with wide selection of drive elements. Metering accuracy is ±0.5%, based upon setpoint resolution of .01 mm. Pumps accommodate pressures up to 17,400 psi and flow rates from 0.26 GPH to 13,225 GPH per pump head. Providing 100 set points per 1 mm of stroke length, pumps can be mixed and matched in any combination for continuous, accurate proportioning of different liquid streams.
Metering Pumps handle CO2 at high pressures.American Lewa, Inc. Holliston, MA 01746 1455
Mar 28, 2002 LEWAtriplex(TM) Monoblock Metering Pumps feature leak-free, sealless diaphragm with positive displacement and low pump head volume. Capable of handling liquid CO2 at up to 10,000 psi, pumps use multi-layer PTFE- or metal diaphragm, 1 crankshaft machined to 120 deg, roller bearings on both ends for full support, and shock-resistant sleeve bearings on connecting rods. Triple-throw crankshaft drives all 3 pump heads and is fully immersed in oil.
Diaphragm Pumps work in process chromatography.American Lewa, Inc. Holliston, MA 01746 1455
Jan 14, 2002 Sealless Hygienic Diaphragm Pumps are hermetically tight, have no moving shafts or dynamic seals, and provide low pump head volume. They handle flow rates to 6 gal/min and 280 psig per pump head at ±1% accuracy. Wide turn-down range is achievable by stroke or speed adjustment. Industrial, sanitary, and ASME BPE-1997 compliant hygienic models are available to meet upstream or downstream process, pressure, and CIP/SIP requirements.
Process Diaphragm Pumps provide smooth output.American Lewa, Inc. Holliston, MA 01746 1455
Dec 05, 2001 LEWAtriplexâ„˘ Monoblock Leak-Free Process Diaphragm Pumps feature 1 crankshaft with cams machined to 120°, roller bearings on both ends, and shock-resistant sleeve bearings on connecting rods. Triple-throw crankshaft drives all 3 pump heads, and is fully immersed in oil. Pumps incorporate multi-layer PTFE or metal diaphragms designed to operate up to 20,000 hours without maintenance. They are suitable for applications from 25 to 47,500 GPH.
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