Latest Hydraulics & Pneumatics Content

The redesigned A4VG variable pump is for closed-circuit applications.

The Diamond Seal technology found in several faucets from the Delta Faucet Co., Indianapolis (www.deltafaucet.com) is said to eliminate leaks, simplify installation, meet California regulations on lead content, and last 5 million cycles or about 100 years of average use.

When measuring pressure, it is sometimes necessary to isolate the sensing element from the material being sensed.

MVP proportional-valve controllers from White Oak Controls, West Burlington, IA (whiteoakcontrols.com), store settings in permanent memory inside their sealed 18 DIN connector bodies.

Hydraulic fan drives have proven to reduce fuel consumption and emissions in countless installations. One size doesn’t fill all, so this summary should help you determine which type of fan drive best suits an application.

In operation, hydropneumatic accumulators use compressed gas to apply force to hydraulic fluid.

Accumulator-based energy recovery systems improve mobile-equipment efficiency.

The High Pressure 156 Lee Chek valve from The Lee Co., Westbrook, Conn. (theleeco.com), weighs only 0.7 gm with a diameter of 0.156 in., but is said to be 2.5 times as efficient as high-pressure check valves of similar size.

Here’s how to eliminate instability and oscillations in hydraulic positioncontrol systems.

In oil-lubrication or hydraulic systems, it’s the small submillimeter pieces of tool steel that cut up and destroy motors, pumps, and other hardware.

Hydraulic-equipment designers are finding new ways to save energy and cut equipment costs.

Makers of stamping presses and die casters increasingly use servocontrols to boost throughput while minimizing equipment wear and tear.

Researchers at Aqueous Recovery Resources (ARR), Bedford Hill, N.Y., use fluid-pressure differential to separate oil and dirt from industrial baths. The method improves quality and extends bath life.

A new air-powered tool from Fabco-Air Inc., Gainesville, Fla., (fabcoair.com) operates on 85 to 95 psi, but a forcemultiplying cylinder lets it deliver over 4,000 lb. of thrust to its cam-operated jaws.