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High Sensitivity Vacuum Decay - LACO Tech

HIGH SENSITIVITY VACUUM DECAY. This innovative, patent pending, leak testing method extends the sensitivity of traditional vacuum decay leak testing down to leak measurements below 1 x 10-4 atmcc/sec (0.006 sccm). By testing to deeper vacuum levels, combined with our proprietary noise subtraction techniques, this method can detect very small leaks and be used in some applications where only ...<< more>>

Accessory: Silencing Muffler for Standard Vacuum Pump

These products enable life science research by providing high performance, cost-effective analysis and quantification of biomolecules, biomolecular interactions and cellular structure and function across diverse applications. ...<< more>>

Kinetic modeling of a tapered Holweck pump

Simulation of the exact geometry of the Holweck pump de- mands a computational domain that includes the pump stage as well as certain volumes in the high vacuum inlet and fore vacuum ...<< more>>

Vacuum Coating Systems for R&D and Pilot Production

Altitude simulation reproduces the affects of altitude to test parts used in high altitude and space environments. Parts tested include electronics, products and packaging. Vacuum pumping systems can either contain oil to create the vacuum or have dry pumps (no oil in the vacuum generating section). ...<< more>>


while drag pumps (e.g. the Holweck, Siegbahn and Gaede pumps) are used for rough vacuum. Design and optimization of these devices require the existence of reliable simulation tools where parametric and sensitivity analysis can be easily implemented. ...<< more>>

Vacuum Systems Vacuum Systems - Mason Technology

Chemical Industry Digest. June 2011 CMYK Vacuum Systems 70 Dr Don Collins is the Market Development Manager for the chemical and pharmaceutical dry pump section at Edwards Ltd, UK, and has designed many vacuum systems, successfully installed in many countries. ...<< more>>

Dry Running Vacuum Pumps for the Chemical and

3 flowserve SIHI? Dry – Simple, Dry and Reliable… SIHI? Dry is a vertically oriented and self draining vacuum pump with no mechanical shaft seals. It is an ideal choice for chemically related processes where there is a high possibility of liquids or solids ...<< more>>

Heat Sealing in Vacuum - Abbess Instruments - Vacuum

This system will produce a very high quality vacuum bag heatseal in a high vacuum. With this design the thermal control loop is closed: ACTUAL temperature = SET temperature. Even minute thermal loads on the heatsealing band are detected and corrected quickly and precisely. ...<< more>>

Alcatel Leak Detectors - Vacuum Pumps, Extractors, Vacuum

Alcatel Model ASM192T2D+ automatic console high performance helium leak detector with integrated high vacuum pumping station incorporates a unique 130 l/s hybrid turbomolecular drag pump specifically designed for helium leak test purposes. ...<< more>>

Vacuum Pumps - Visual Encyclopedia of Chemical Engineering

Depending upon the pressure range, vacuum pumps can be separated into two general categories: rough-medium vacuum, ranging from 760 to 10 -3 torr (1 to 1.3 x 10 -6 atm) and high-ultrahigh vacuum, ranging from 10 -3 to below 10 -7 torr (1.3 x 10 -6 to below 1.3 x 10 -10 atm). ...<< more>>

Sizing Liquid Ring Vacuum Pumps | Products & Suppliers

Vacuum pump The liquid ring vacuum pump (#16, Figure 1) (SIHI Pumps Ltd, Model LEM 20, Guelph, ON, Canada) creates suction using its eccentrically mounted impeller, which forms different sizes of cells within casing. ...<< more>>

Dry Running Vacuum Pumps for General Industries

3 flowserve SIHI? Dry – Simple, Dry and Reliable… Vertically oriented, and self-draining, makes the SIHI? Dry ideal for industrial process where there is a high possibility of liquids or solids being carried- over into the pump. ...<< more>>

Altitude Simulation Regulator | Pressure Control | Equilibar

3″ Equilibar Vacuum Regulator provides unmatched sensitivity and precision for controlling altitude simulation chamber pressure. Details Equilibar’s vacuum regulators are featured in a Flow Control Magazine article outlining improvements to the US Navy’s altitude simulation laboratory. ...<< more>>

High-sensitivity microfluidic calorimeters for biological

High-sensitivity microfluidic calorimeters raise the prospect of achieving high-throughput biochemical measurements with minimal sample consumption. However, it has been challenging to realize microchip-based calorimeters possessing both high sensitivity and precise sample-manipulation capabilities. ...<< more>>

MAXTRAP50 Vacuum Cold Trap - Cascade Sciences

FREE SHIPPING!-50°C Cold Trap Optimized For Demanding, High-Throughput Vacuum Applications. There are numerous laboratory grade cold traps on the market and everyone agrees they are a best practice tool for preserving/extending vacuum pump life or the time between vacuum pump maintenance. ...<< more>>

Making the Oil-Sealed vs Oil-Free Decision | Normandale

The use of high quality vacuum-distilled oils that have a low vapor pressure is also a worthwhile precaution. If, after a review of the available protection options, there is still concern about either the process harming the pump or the pump harming the process, it becomes necessary to make the OS vs OF decision in favor of OF pumps. ...<< more>>

Vacuum Equipment 1. - University of Florida

2 1.2 High Vacuum Pumps High vacuum pumps for microelectronic fabrication fall into two categories: those that pump gas by transferring momentum to gas molecules and those that trap gas molecules. ...<< more>>

Steady-State Thermal Analysis of a High Vacuum Diffusion

INTRODUCTION. This thermal analysis study is an updated thermal analysis for the full system design of the high vacuum pumping system to be used with the integrated test stand for a variety of experiments with micro-propulsion engines and high energy particle beams. ...<< more>>

Liquid Ring Vacuum Pump for sale OR Liquid Ring Compressor

2- Gas Pumping Equipment . 1-2 Liquid ring vacuum pump for sale: Illustration shows a sectional drawing of the two-stage Liquid Ring Vacuum Pump. By utilizing various combinations of impeller sizes, staging and direction of gas travel, it is possible to produce models of varying capacities from the same basic components. ...<< more>>

Hybrid Vacuum System for Heat Sensitive Products - croll

The hybrid vacuum systems it selected easily produces a vacuum to 2 Torr, using two steam ejectors, a condenser and a liquid-ring vacuum pump. While the ejector stages produce the high vacuum required, the liquid-ring vacuum pump reduces overall steam consumption. ...<< more>>

Browse Products by Category: Vacuum Pump | Hach USA

WATER QUALITY PRODUCTS FOR GOVERNMENT BUYERS. Hach has a complete portfolio of instruments and chemistries with support and services to help you get the right results....