Knowledge Center
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Knowledge Center
Latest Articles & Guides
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Pump Selection Guides
Pump and Blower Selection for Explosive Atmospheres: Reading the ATEX Marking
How do you select pumps and blowers for explosive atmospheres? Reading the ATEX marking line by line, matching zone to category, gas…
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Pump Engineering
Pump Failures and Maintenance: Vibration, Alignment and Bearing Life
How do you diagnose pump failures? The three readings to take before opening the pump, ISO 20816 vibration evaluation, how misalignment cuts…
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Pump Selection Guides
Hot Oil Pump Selection: Circulation, Transfer and Temperature Limits
How do you select a hot oil pump? The difference between circulation and transfer duty, film versus bulk temperature, the 200 °C…
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Pump Selection Guides
Blower Selection: Roots (Lobe), Side Channel and Multistage Compared
How do you select a blower? The difference between lobe (Roots) and side channel blowers, the m³/h versus Nm³/h trap, the pressure…
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Pump Engineering
Pump Material Selection: PP, PVDF, PTFE, and 316L Chemical Compatibility Guide
How is material selection made for chemical pumps? Temperature limits, compatibility charts, and the most common selection errors for PP, PVDF, PTFE,…
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Pump Selection Guides
Selecting a Pool Pump: Calculating Circulation Time, Flow Rate, and Filter Compatibility
How to Choose a Pool Pump? A guide with example calculations covering flow rate based on runtime, total delivery head (TDH), filter…
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Pump Selection Guides
Selecting an Air-Operated Double-Diaphragm (AODD) Pump: Flow Rate, Air Consumption, and Diaphragm Material
When selecting an air-operated double-diaphragm (AODD) pump, how do you determine the 1:1 flow-to-pressure ratio, actual air consumption, suction lift, and diaphragm…
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Pump Selection Guides
Dosing Pump Selection: A Comparison of Solenoid, Mechanical Diaphragm, and Peristaltic Pumps
When selecting a chemical dosing pump, when are solenoid, motor-driven mechanical diaphragm, and peristaltic technologies the right choice? A selection guide covering…
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Pump Engineering
Magnetic Coupling Pumps: The Engineering of Leak-Free Transfer and Proper Selection
How a magnetic drive (sealless) pump works, why decoupling and dry running are critical, and how to choose between a metallic and…
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Vacuum Technologies
Vacuum Pump Selection: A Comparison of Liquid-Ring, Oil-Sealed Vane, and Lobe Booster Pumps
How are target pressure and flow rate determined when selecting a vacuum pump? Limitations of liquid-ring, oil-sealed rotary vane, and lobe (Roots)…
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Pump Engineering
NPSH and Cavitation: Pump Suction Line Design (With Calculated Examples)
What are NPSHa and NPSHr, and how are they calculated? The effect of temperature and elevation on suction capacity, the safe NPSH…
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Pump Selection Guides
Viscous Fluid Transfer: How to Choose Between Gear, Lobe, and Monopump Pumps?
Why do centrifugal pumps fail to perform adequately with dense and viscous liquids? Viscosity limits for internal gear, helical gear, lobe, and…
