Load holding valves from Valvole America are available in a very wide range of cartridges or assembled into valve blocks. They secure the last commanded position of an actuator by preventing fluid from escaping work chambers, with “zero” leakage. They ensure low leakage when closed, with less than 5 drops/min when the valve closed with […]
What does pressure really mean?
Pressure is simply the force applied perpendicular to the surface of an object per unit area over which that force is distributed. However, there are many ways to reference and identify pressure, which is largely dependent upon the application. In many applications, there is a common misconception that all pressure measurement needs to be absolute. […]
Miniature LVDT position sensors operate in high-pressure environments
NewTek Sensor Solutions introduces a miniaturized series of AC-operated position sensors with a lightweight and compact 3/8-in. diameter size that provides highly reliable linear position feedback in rugged industrial applications with tight space and weight restrictions. Resistant to harsh and high-pressure environments, the NewTek M-375 Series Miniature AC LVDTs provide high response dynamic measurement for […]
SH series power take-off from Muncie features seal plate gasket
Muncie Power Products’ SH Series is now available for the Eaton Endurant and PACCAR Transmission. Instead of a paper gasket, the SH Series for the Eaton Endurant and PACCAR Transmission features a seal plate gasket. This seal plate gasket is able to withstand the specialty oil used by the transmission and allows the installer to […]
Danfoss Power Solutions launches the D1 pump in North America
Danfoss Power Solutions introduced the D1 High Power Open Circuit Axial Piston Pump to the North American market. The D1 pump is a high pressure, high flow variable displacement axial piston pump, developed specifically for open circuit systems in the most extreme application environments. Its design makes it a suitable solution for mining, heavy duty […]
Building a world-class hydraulic pump
Understanding what can go wrong ensures that hydraulic pumps get built right. Every OEM says it wants quality, but the reality is that machine builders can choose from countless hydraulic components that vary widely in performance and price—from cheap, “throw-away” parts to high-quality and, more-expensive, products that are built to last. How does an engineer […]
How do you calculate HPU pressure and flow requirements?
By Josh Cosford, Contributing Editor Before you select a pump for your HPU, you must calculate your pressure and flow requirements. To calculate flow required by your hydraulic pump, you must know the size and velocity of the actuators it will power. It is important to calculate the maximum flow required during simultaneous actuator operation, […]
Electric-operated variable-priority flow divider offers higher efficiency
Webtec, a specialist manufacturer of hydraulic measurement and control products, is introducing its new VFD120E electric-operated variable-priority flow divider. Designed particularly for use on mobile machinery, it allows the speed of hydraulic motors on trailed agricultural attachments and on mining and construction machinery to be controlled remotely. The 420-bar rated VFD120E will offer greater levels […]
Error prevention at the source: Proportional valves with on-board electronics
On-board electronics (OBE) is the direct and best way to correct nonlinear behavior of a valve, according to officials at Argo-Hytos, Zug, Switzerland. Direct-acting proportional control valves with integrated digital OBE allows fine control of valve spool position and movement. Incorporating a sensor and electronics into the valve body enables a control loop within the […]
How are motion controllers used in fluid power?
Motion controllers are used extensively on industrial machinery, but specific controllers exist that are dedicated for use on electrohydraulic machinery. They provide closed-loop control of electrohydraulic and pneumatic applications from single to multi-axis systems. Common applications can be found in materials, aerospace, forestry, energy, metals, entertainment, and more. Like all motion controllers, these computational devices […]
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