Technical Articles
AODD Pump Leaking at the Manifold: Seal, Joint or Pipe Strain?
Find the first wet point, distinguish a manifold seal leak from a hose or diaphragm fault, and identify the correct AODD repair part before ordering.
Read article →Pump knowledge, made practical
Guides for selecting pumps, identifying parts and preparing a complete enquiry.
55 · All articles
Technical Articles
ROTAN Internal Gear Pump Start-Up Checklist: Priming and Safety Checks
A practical ROTAN gear pump start-up checklist: confirm the pump configuration, liquid path, casing fill and overpressure protection, then record flow, pressure and seal condition before routine operation.
Read article →
Technical Articles
AODD Pump High Air Consumption: Find Leaks or Flow Loss
Why is your AODD pump using more air? Check leaks, cycle rate, suction, valves and air-system parts before ordering an Air Kit.
Read article →
Technical Articles
ROTAN Gear Pump Overheating: Bypass, Viscosity or Bearing?
Diagnose a hot ROTAN internal gear pump using pressure, flow and temperature evidence. Check bypass recirculation, viscosity, suction and mechanical friction before ordering parts.
Read article →
Technical Articles
ROTAN ED Pump Runs but Has No Flow: Suction or Magnetic Coupling?
When a ROTAN ED motor runs without liquid flow, verify casing fill, valves, rotation and suction first, then assess load and possible magnetic-coupling slip.
Read article →
Technical Articles
WILDEN Equalizer Dampener Not Reducing Pulsation: What to Check
If a WILDEN Equalizer no longer reduces AODD pulsation, check the operating duty, installation, air supply and model-specific service parts before replacing the unit.
Read article →