Technical Articles
AODD Pump vs Centrifugal Pump: Which Is Better for Chemical Transfer?
Compare AODD and centrifugal pumps for chemical transfer by priming, viscosity, solids, containment, energy, flow stability and total cost.
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Guides for selecting pumps, identifying parts and preparing a complete enquiry.
47 · Technical Articles
Technical Articles
DESMI ROTAN Pump Selection Guide: GP, HD, PD, CD or ED?
Compare DESMI ROTAN GP, HD, PD, CD and ED internal gear pumps by liquid, viscosity, material, sealing, temperature and leakage risk.
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Technical Articles
Grundfos CR vs CRE: How to Choose the Right Vertical Multistage Pump
Choose Grundfos CR for a stable duty or an existing external control system; choose CRE when variable speed, constant-pressure control and integrated monitoring add value.
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Technical Articles
How to Size an AODD Pump for Flow, Pressure, Suction and Solids
Size an AODD pump from the real operating point, fluid properties, suction conditions, solids passage and available compressed air—not the port diameter alone.
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Technical Articles
AODD Pump Diaphragm Material Selection: PTFE, EPDM, NBR or TPE?
Choose an AODD pump diaphragm by checking the exact fluid, concentration, temperature, solids, cycle rate, hygiene requirements and total maintenance cost.
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Technical Articles
WILDEN Air Kit vs Wet Kit: How to Match the Correct Repair Kit
Identify the correct WILDEN air-side or wet-side repair kit from the complete item number, pump generation, materials, symptoms and service conditions.
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