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Valve Selection Guide Valve Terms Breaking Pressure: The minimum pressure required to produce flow through a valve. Duty Cycle: 100% duty cycle is defined as continuous operation without any damage occurring. For intermittent duty cycle (<100%) al...

Masterflex® selection guides Valve Selection Guide Valve Terms Velocity-Profile Deviations Influence Flowmeter Performance Influence Flowmeter Performance Guide to Liquid Pumps Use the guide below to help you select the best type of pump for your ...

Back Pressure in Flowmeters: Causes and Solutions If you use a flowmeter to measure flow rate you must consider the effect of back pressure. In some processes sufficient back pressure will exceed maximum operating pressure causing some component o...

BRAND Pipet Controllers BRAND accu-jet pro and macro pipette controllers provide fine control over volumetric and serological pipettes from 0.1 mL to 200 mL in size with superior ergonomics. PTFE ball valves allow smooth control from dropwise to f...

BRAND Titrette Bottletop The BRAND Titrette provides safety and convenience to titration eliminating meniscus reading error while providing the precision of Class A glass burettes. Suitable for many common titrants the Titrette is the first choice...

Air Healthy air is essential. Air sampling and air testing may be used to determine hazardous pollutants from industrial plants motor vehicles waste disposal plants and other source. Sample Analysis ACE® Equivalence™ C18 HPLC Columns EPA method 50...

An educational experience: Following the path of an Ismatec® pump Masterflex Ismatec pump featured at the Museum of Science & Industry in Chicago Photos: J.B. Spector / Museum of Science Industry. Exploring the heart is a compelling venture. For t...

Laboratory Water Testing Equipment and Supplies The presence of certain contaminants in our water can lead to health issues including gastrointestinal illness reproductive problems and neurological disorders. The steady advancement of more sophist...

Soil Soil testing can include determining the nutrient composition of the soil for agricultural purposes or contamination compounds such as arsenic mercury or lead. Sample Analysis ACE® Equivalence™ C18 HPLC Columns EPA method 505 Organohalide Pes...

Bottles and Accessories Made with the highest quality resins Nalgene™ bottles and closures are engineered to work together with a proprietary valve seal and a strong semi-buttress thread design. Our bottles offer a leakproof guarantee because we m...

BRAND Bottletop Dispensers BRAND brings over a half century of bottletop dispenser manufacturing to their comprehensive line. The flagship Dispensette S line features fourth-generation technology with models optimized for general dispensing solven...

Autosampler & Sample Introduction Supplies There are numerous ways of introducing your sample into the gas chromatography flow path and Agilent provides the necessary supplies for whichever way you choose. Our extensive portfolio includes parts fo...

Gravity Feed Installation of your Centrifugal Pump This illustration shows a typical setup for a gravity feed system. Since most centrifugal pumps require priming be sure to position pump at the bottom of the supply tank and retain a liquid level ...

High Pressure System Offers Highest Pressure Ever from a Masterflex Flexible Tubing Pump Vernon Hills Illinois October 3 2002—Peristaltic fluid transfer at higher pressures using flexible tubing is now a reality with the new Masterflex® high-press...

The Case for Peristaltic Pumps How operational and maintenance issues can ease with the right type of pump In real-world conditions pumps can be challenging. Some do not handle particulates some are difficult to use with high-viscosity materials o...

Pumping Abrasives Masterflex® pumps are well suited for pumping abrasive slurries for several reasons. The peristaltic pumping action is gentle on the fluid reducing tubing wear. The only part of the pump the fluid comes in contact with is a smoot...