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HI Pump FAQs

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Pumps
What is the Difference Between Reciprocating Pumps & Rotary Pumps?
The meshing action of rotary pumps does not create the same level of pulsating flow as reciprocating pumps, and they do not require inlet and outlet check valves like reciprocating pumps.
hi faqs
Motors
How Does an Electric Motor Design Prevent Electrical Shorts?
Having a proper insulation system for an electric motor is important for protecting the motors from shorts and contaminants.
hi faqs
What Is the Standard Method to Calculate Frictional Head Loss for Paper Stock?
How the difference between mechanical and chemical pulp affects the calculation.
hi faqs
What Is Wastewater Disinfection?
Understanding wastewater disinfection to ensure safe effluent release
hi faqs
What Are the Benefits of Condition-Based Monitoring?
The primary benefit of condition-based monitoring is that high cost or unexpected failures can be mitigated, and the maintenance can be scheduled during a convenient time for plant operations.

hi faqs
Seals
What Should My Seal Chamber Pressure Be?
Pressure is an important factor influencing the closing force between the seal faces, and the seal design may need to be adjusted to accommodate higher pressures.
hi faqs
Pumps
How Do I Determine the Frictional Loss for Flow in a Pipe?
Using the Darcy-Weisbach friction factor to calculate this major loss.
hi faqs
Pumps
What Is Pump Proportional Pressure Control?
Proportional pressure is a control method that varies the speed of the pump according to a pressure algorithm.
hi faqs
Pumps
How Do I Calculate the Head Loss for a Fluid Exiting a Tank?
The steps to find a single minor loss, specifically the bell-mouth inlet, the square-edged inlet and the inward-projecting pipe.
hi faqs
Pumps
Pump Vibration Limit
What should be the limit for pump vibration?
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