Liquiflo MAX Series - User Manual

Questions and Answers

T
turnernathanielAug 1, 2025
How to troubleshoot no discharge in Liquiflo MAX?
- J
  julie26Aug 1, 2025
  If your Liquiflo Water Pump has no discharge, several factors could be the cause. First, make sure the pump is primed by verifying the suction pipe is submerged, increasing suction pressure, and opening the suction valve. Check that the motor rotation is correct by reversing the motor leads. Ensure all suction and discharge valves are open and the bypass valve is closed. Look for air leaks in the suction line; if present, tighten connections and apply sealant to all threads, also verify the suction pipe is submerged. Clean the strainer if it's clogged. If none of these steps work, the pump may be worn or damaged, requiring a rebuild.
J
Jesus FloydAug 5, 2025
What to do if Liquiflo Water Pump has insufficient discharge?
- K
  Katherine WebbAug 5, 2025
  If your Liquiflo Water Pump has insufficient discharge, consider these potential causes and solutions. Ensure that the suction pressure isn't too low by increasing it, verifying the suction piping isn't too long, and fully opening any suction valves. Check that the bypass valve is closed. Clean the strainer if it's partly clogged. If the speed is too low, increase the driver speed if possible, or consider using a larger size pump if required. If the issue persists, the pump may be worn or damaged and require rebuilding.
J
Jeremy SandovalAug 9, 2025
Why is my Liquiflo Water Pump making excessive noise and vibration?
- M
  Monique WardAug 9, 2025
  Excessive noise and vibration in your Liquiflo Water Pump can stem from several sources. Ensure that the suction and/or discharge piping are anchored and properly supported according to Hydraulic Institute Standards. Check that the base is rigid enough by tightening hold-down bolts on the pump and motor or adjusting stilts, and inspect/regrout if necessary. Worn pump or motor bearings can also cause this issue, so replace them as needed. Finally, pump cavitation could be the culprit; try to increase the NPSH available.
F
Francisco HowellAug 13, 2025
What causes excessive power consumption in Liquiflo Water Pump?
- E
  Emily LeeAug 13, 2025
  Excessive power consumption in your Liquiflo Water Pump may be due to several reasons. If the fluid viscosity is higher than specified, heat the fluid to reduce viscosity, reduce pump speed, or increase driver horsepower. If the differential pressure is greater than specified, increase the pipe diameter. Insufficient gear clearances for the fluid viscosity or plastic gear clearance for fluid temperature can also cause this; purchase gears trimmed for the correct viscosity or temperature, respectively. Lastly, rotating parts binding or severely worn may be the cause, requiring disassembly and replacement of worn parts.
E
Elizabeth BrownAug 22, 2025
What causes rapid pump wear in Liquiflo MAX?
- P
  Priscilla BennettAug 22, 2025
  Rapid pump wear in your Liquiflo Water Pump can be attributed to several factors. Abrasives in the fluid can cause wear; install a suction strainer, limit solids concentration, and reduce pump speed or use a larger pump running at a lower speed. Corrosion wear can also be a culprit; use materials of construction that are acceptable for the fluid being pumped. Extended dry running can lead to rapid wear; install a power sensor to stop the pump. High discharge pressure can also contribute; increase pipe diameter and decrease pipe run.
A
Angela KimAug 27, 2025
Why does my Liquiflo Water Pump lose suction after working fine initially?
- G
  Gerald MarshAug 27, 2025
  Losing suction after satisfactory operation in your Liquiflo Water Pump can happen for a few reasons. The pump may not be properly primed, so you should reprime it. Air leaks in the suction line can also cause this issue; tighten connections, apply sealant to all threads, and verify the suction pipe is submerged. Air or vapor pockets in the suction line can be problematic; rearrange piping as necessary. An increase in fluid viscosity can also lead to loss of suction; heat the fluid to reduce viscosity and/or reduce pump speed.
B
Breanna GrahamNov 17, 2025
Why is my Liquiflo MAX Water Pump experiencing excessive product leakage?
- J
  jamesromeroNov 17, 2025
  Excessive product leakage in your Liquiflo Water Pump can arise from several issues. Static seal failure may occur due to chemical incompatibility or thermal breakdown; use O-rings or gaskets made of material compatible with the fluid and temperature. Improper installation of static seals can also lead to leakage; install O-rings or gaskets without twisting or bending, use a star-pattern torque sequence on housing bolts during assembly, allow Teflon O-rings to cold flow and seat during tightening, and torque bolts to specification. A worn or damaged mechanical seal should be disassembled and replaced; prime the pump and avoid dry running. Ensure pump port connections are properly sealed using Teflon tape or other suitable sealant and gaskets compatible with the fluid and temperature. Crevi...