111 - 9916 KDRDE5K - 31 / 40E30 Excavator Hydraulic Pump Solenoid
Valve
Specifiion
Type | 111 - 9916 KDRDE5K - 31 / 40E30 Excavator Hydraulic Pump Solenoid
Valve |
Part Number | 111 - 9916 |
Model Number | KDRDE5K - 31 / 40E30 |
Appliion | Excavator |
Stock | in Stock |
Health Status | New |
Service | OEM |
Productivity | 99999 |
Warranty | 6 month |
Express | DHL, FEDEX, EMS, UPS |
Description
Hydraulic solenoid valves are used to electrically direct hydraulic
fluid to and from an actuator by shifting a spool or poppet within
the valve. These valves can be 2-, 3-, 4-, or even 5-way valves
shifted by either one or two electronic coils.
Solenoid valves are control units which, when electrically
energized or de-energized, either shut off or allow fluid flow. The
actuator takes the form of an electromagnet. When energized, a
magnetic field builds up which pulls a plunger or pivoted armature
against the action of a spring. When de-energized, the plunger or
pivoted armature is returned to its original position by the spring
action.
Characteristic
1. A two-way valve only has two ports, whereas more advanced
designs may have three or more, depending on what it will be used
for.
2.All solenoid valves, no matter the design, are specified to be
one of two general types: either a direct-acting valve or a pilot
operated valve.
3.In a direct-acting solenoid valve, a coil magnetically opens the
valve in direct action, lifting the shaft and the seat of the valve
without depending on outside pressure.
4.In pilotoperated valves, the solenoid activates a much smaller
"pilot" valve that in turn opens up a larger valve operating at
much higher pressure, such as required in hydraulics, steam, etc.,
or at a greater volume flow, as for releasing large quantities of
liquids, gases, steam, or air.
5.Although piloted valves require less electrical energy to
operate, they usually need to maintain full power in order to
remain in an open state, and they perform at a slower rate than
direct-acting solenoids. Direct-acting solenoid valves only need
full power when opening the valve, as they can hold their open
position even when operating on low power.
More Product
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ASSY |
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ASSY |
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ASSY |
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ASSY |
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HYD PUMP SOLENOID VALVE | PC200/220-7 | 702-21-57400 |
702-21-55901 |
702-21-37500 |
702-21-57500 |