Fluid Power Technology Zone : HydraulicValves

What effect do you think competition from foreign companies and suppliers will have on the U.S. fluid power industry?

Mass loss of domestic manufacturing of components 30%

Consolidation into multinational companies 22%

Gradual decrease in U.S. market share 18%

More visibility for fluid power as a design choice 14%

Spurring of more R&D 13%

No effect 3%

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Hooked on hydraulics

When you need to haul mining equipment from place to place, you don’t just hook up a trailer hitch. Special hydraulically actuated towing and trailer equipment is used.

Web Exclusive: Specialized valve helps cap BP oil leak

Everyone knows about the massive oil leak in the Gulf of Mexico. But what many don’t know is that hydraulics has played a role in helping to cap the leak in recent weeks.

Q&As about servo and proportional valves

Got questions? So do we, but we also have answers. Electrohydraulic expert Jack L. Johnson, P. E., fields some of the recurring questions he encounters in his many educational sessions about closed-lo...

Safety valve

Miniature needle valve

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Cartridge Valves >>	Pressure-control circuits >>
Directional-control valves >>	Pressure-control valves - part 1 >>
Electrohydraulic valves - part 1 >>	Pressure-control valves - part 2 >>
Electrohydraulic valves - part 2 >>	Pump-unloading circuits >>
Electrohydraulic valves - part 3 >>	Regenerative circuits >>
Flow-control valves - part 1 >>	Sequencing circuits >>
Flow-control valves - part 2 >>	Speed-control circuits >>
Manifolds >>	Synchronizing circuits >>

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Joystick pattern changer >>
Pattern changer valve provides 8-way, 2-position control of pilot signals. It is designed to be used where switching pilot pressure patterns may be desirab...

Motorized flow controls >>
Generation II flow and pressure controls feature a planetary reducer and heavy-duty motor to deliver more torque with less backlash. Nine operating speeds from 1 to 48 s...

Quick exhaust valves >>
Super quick exhaust valves outperform flat-disk-type diaphragms by using a molded shuttle. Valves stop lubricant back-flow through control valve on exhaust cycle, allowing pr...

Pilot-operated cartridge valve >>
LER202 pilot-style cartridge for use with external pilot controls features a spool biased closed by a spring with a separate chamber referenced to a th...

Solenoid valves >>
Series 3923 solenoid valves have stackable composite bodies to allow mixing and matching with single inlet and multiple outlets. Fully encapsulated coils, spring comp...

Regulating valves >>
Series 56-T temperature actuated regulating valves suit applications that are cooled by fluid where consistent temperatures are desired; for example, when cooling ...

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