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When peeling veneer, an even feed across the whole revolution decides the quality. The 4WRZE25E1-220-7X/6EG24N9EK31/A1D3M meters 220 l/min nominal flow with spool symbol E1 and a ±10 V command value, with internal supply and external pilot return.
Proportional Directional Valve 4WRZE25E1-220-7X/6EG24N9EK31/A1D3M - Bosch Rexroth R900973678
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,577.68
Item
BRR-R900973678
Manufacturer no.
R900973678
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900973678
Country of originGermany
ConditionNew
Artikel
BRR-R900973678
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A peeling lathe pushes the knife forward in small, constant steps while the log rotates. The 4WRZE25E1-220-7X/6EG24N9EK31/A1D3M meters 220 l/min nominal flow for that, feeds its pilot stage internally and drains it to the outside.
Benefits
- Internal pilot supply saves a line, the external return keeps pilot pressure clean.
- A ±10 V command value allows fine feed steps straight from the axis controller.
- Nominal flow 220 l/min at 350 bar operating pressure in size 25.
- Spool symbol E1, 3 switching positions, ISO 4401-08-08-0-05, 4 ports.
- Weight 20.44 kg, the lowest of this 4WRZE25 selection, NBR seals, UKCA to SI2016/1091.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Conformity | UKCA |
| Supply voltage | 24 V DC |
| Connectivity | Analog, command value ±10 V |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection description | Connector, 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol E1 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.44 kg |
Applications
The valve guides knife carriages, pressure rolls and clamping heads in woodworking. It equally suits feed axes in sawmills and veneer presses. The external pilot return keeps control free of back pressure in the shared tank line.
Manufacturer
Bosch Rexroth, material number R900973678. Datasheet RE 29115 gives characteristic curves and installation notes, RE 07600-B the position within the range.
| Hersteller-Nr | R900973678 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.440000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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