Bosch Rexroth | Z4WEH22E63-5X6EW110NETK4
Z4WEH22E63-5X/6EW110NETK4
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The Z4WEH22E63-5X/6EW110NETK4 spool valve belongs to the Z4WE Solenoid Actuation Spool Valves series manufactured by Bosch Rexroth for hydraulic automation duties such as load holding and directional control. Actuation is handled by a solenoid, allowing electrical commands to shift the spool without manual effort. The coil accepts 110 VAC at 50 or 60 Hz so it can tie directly into standard plant power. A plug complying with EN 175301-803 offers a three-pole plus protective earth connection for straightforward wiring. The unit is pilot-operated, meaning a small control stage positions the main spool, and both pilot oil supply and pilot oil return are internal, which removes the need for external pilot hoses. It installs as a sandwich plate, enabling stack mounting in valve banks, and it withstands operating pressures up to 315 bar for high-pressure circuits.
The hydraulic section matches nominal size 25 manifolds and can pass up to 650 l/min, making it suitable for large-flow applications. Port geometry follows the ISO 4401-08-08-0-05 pattern and aligns with the NFPA D08 interface, ensuring interchangeability with commonly machined subplates. Spool symbol E63 defines the flow paths available in energized and de-energized states. NBR seals are used to contain leakage while remaining compatible with mineral oils. Approved fluids include HL, HLP, and HETG grades, enabling operation with standard or environmentally considerate oils. The assembled valve weighs 21.9 kg, a factor to consider when designing manifold supports.
Technical Specifications
Actuation
Solenoid
Electrical Connector
EN 175301-803 (3-pole, 2+PE)
Hydraulic Fluid
HL, HLP, HETG
Max Flow
650 l/min
Max Operating Pressure
315 bar
Nfpa Interface
D08
Nominal Size
25
Pilot Oil Return
Internal
Pilot Oil Supply
Internal
Pilot Operation
Pilot-Operated
Porting Pattern
ISO 4401-08-08-0-05
Seal Material
NBR
Spool Symbol
E63
Supply Voltage
110 VAC (50/60 Hz)
Type Of Connection
Sandwich Plate
Weight
21.9 kg
1620 Old Apex Road
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