Fluid Power Journal

When to Replace a Pump

When to Replace a Pump

A frequent question in fluid power is “When should I replace my pump?” The answer is “It depends.” It depends on a multitude of..

07/12/2015 with 1 Comment
Vacuum Valves

Vacuum Valves

Click images to enlarge The most common form of vacuum generation is a vacuum venturi, often referred to as a “vacuum pump.” This can..

06/21/2015 with 0 Comments
Pump or Venturi?

Pump or Venturi?

When a salesperson is quoting a vacuum installation, a common question to the end user is, “Would you prefer a vacuum pump or..

08/29/2013 with 0 Comments
Mid-Pressure Range Pump

Mid-Pressure Range Pump

The V40M axial piston pump has been designed for open circuits in mobile machines and has a displacement volume of 2.75 in.3/rev. Its swash..

06/28/2013 with 0 Comments
Energy-Efficient Hydraulics: Variable Frequency Drives as Pump Prime Movers

Energy-Efficient Hydraulics: Variable Frequency Drives as Pump Prime Movers

It is obvious what we want to achieve with variable speed pumps: to save energy and reduce noise and possibly increase the power density of..

06/28/2013 with 0 Comments
Analysis of a Hydraulic Oil Failure

Analysis of a Hydraulic Oil Failure

I recently conducted failure analysis and a reliability audit on a 300-kilowatt (400-hp) hydrostatic transmission. This hydraulic system..

02/28/2013 with 1 Comment
Spur Gear Pump Displacement

Spur Gear Pump Displacement

So you need to replace an unlabeled external gear pump originally sold by Cro-Magnon Hydraulics during the First Crusades, and sadly you..

02/20/2013 with 0 Comments
Advanced Pump Control for Energy Savings in Intermittent Hydraulic Systems

Advanced Pump Control for Energy Savings in Intermittent Hydraulic Systems

Many hydraulic systems are only required to deliver flow at pressure during certain stages in a machine cycle. This is even more prevalent..

12/24/2012 with 0 Comments
Hydraulic Pumps and Motors: Considering Efficiency

Hydraulic Pumps and Motors: Considering Efficiency

In a condition-based maintenance environment, the decision to change out a hydraulic pump or motor is usually based on either remaining..

12/24/2012 with 0 Comments
Fluid Power Journal is the official publication of the International Fluid Power Society

Get Our E-News!

Our Latest Tweets

@FPJTeam