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John Pippenger, P.E., was fluid power industry leader

John J. Pippenger, one of the fluid power industry's most notable names, passed away on Tuesday, February 7, at Keweenaw Memorial Medical Center in Laurium, Mich. He was 88...
Apr. 12, 2006 | http://hydraulicspneumatics.com/other-technologies/john-pippenger-pe-was-fluid-power-industry-leader
Article

Electrohydraulic servovalves

Jet-pipe electrohydraulic servovalves feature single-orifice reliability and high spool driving forces. They are designed to pass particles up to 250 µm and feature flows to 40 gpm at pressures to 5000 psi. They have a 93% efficiency rating...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/PneumaticValves/Article/False/13926/TechZone-PneumaticValves
Article

Earthmovers do more with less

Innovative design allows making earthmoving equipment more versatile without resorting to a lot of sophisticated electronics...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/HydraulicPumpsM/Article/False/13911/TechZone-HydraulicPumpsM
Article

Rodless band cylinder

Ultran Band rodless cylinder seals mechanical piston/yoke connections. It is available in 18 to 63 mm bore sizes (inch available) with a standard stroke length to 3 m. It has a sealing efficiency rating of 100 sccm leakage. Features include...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/Cylinders/Article/False/13952/TechZone-Cylinders
Article

Air cylinders

NFPA interchangeable air cylinders have oversized nonmetallic, composite rod bearings for maximum load support, wear resistance, and long cycle life. They are offered in bores from 11/2 to 6 in. and strokes to 48 in. Cylinder heads and caps are...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/Cylinders/Article/False/13922/TechZone-Cylinders
Article

Mini power units

Compact dc hydraulic power units come in multiple configurations to suit a wide variety of applications. Pump options include Model G fixed-displacement or Model K pressure-balanced versions, both rated for 3000-psi service (3600 psi maximum)...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/FluidPowerAcces/Article/False/13945/TechZone-FluidPowerAcces
Article

Twin-rod air cylinders

Twin-rod cylinders achieve precise, non-rotating linear motion with less than 1/3° of rotation for rod alignment and eliminate rod endplay for guided motion. Rectangular body simplifies mounting and saves space. They offer twice the force of...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/Cylinders/Article/False/13957/TechZone-Cylinders
Article

Solenoid valve

The 3835 2 or 3-way, 2-position direct pilot solenoid valve is a drop-in replacement for mounting. It is available in sizes from 0.6 to 3 mm in normally open and closed configurations and is rated for flows of 0.025 to 0.31 Cv and pressures...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/HydraulicValves/Article/False/13954/TechZone-HydraulicValves
Article

Oil breather plugs

Oil breather plugs with or without splash guards suit hydraulic power packs or applications with high airflow rates that result in rapid liquid volume changes. They resist solvents, oils, grease, and other chemical agents, and are available in...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/FluidPowerAcces/Article/False/13946/TechZone-FluidPowerAcces
Article

Direct-operated valves

D1FP and D1FP*S direct-operated proportional control valves feature high dynamics and maximum flow for use in high accuracy positioning of a hydraulic axis and for controlling force and velocity. Driven by VCD actuator, they reach frequency...
Apr. 12, 2006 | http://hydraulicspneumatics.com/200/TechZone/PneumaticValves/Article/False/13933/TechZone-PneumaticValves
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