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On the die cushion of a deep drawing press the flow has to be metered across the whole stroke. The 4WRZE25W8-220-7X/6EG24N9TK31/F1D3M provides 220 l/min nominal flow with spool symbol W8, takes a 4 to 20 mA current command and withstands 350 bar operating pressure.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9TK31/F1D3M - Bosch Rexroth R901388125
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,089.41
Item
BRR-R901388125
Manufacturer no.
R901388125
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901388125
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901388125
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A die cushion draws its force from evenly metered flow, not from a switching command. The 4WRZE25W8-220-7X/6EG24N9TK31/F1D3M controls 220 l/min nominal flow in size 25, with a 4 to 20 mA command value, external pilot oil supply and internal pilot return.
Benefits
- Nominal flow 220 l/min with a plant maximum of 870 l/min in size 25.
- A 4 to 20 mA current command stays immune on long cable runs inside the press.
- Pilot-operated with its own pressure reducing valve in the pilot circuit, plus concealed manual override.
- Operating pressure up to 350 bar and connection diagram ISO 4401-08-08-0-05 with 4 ports.
- UKCA conformity to SI2016/1091 for electromagnetic compatibility.
- On-board electronics at 24 V DC, NBR seals, weight 20.7 kg.
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 4 to 20 mA |
| 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 W8 |
| 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 | 20.7 kg |
Applications
The valve drives die cushions, ejectors and hold-down devices on deep drawing presses. Spool symbol W8 defines how the centre position behaves while the load is held. The concealed manual override allows moving the axis during maintenance without control voltage.
Manufacturer
Bosch Rexroth, material number R901388125. Data and characteristic curves are given in datasheet RE 29115 for the pilot-operated proportional directional valve, supplemented by the overview RE 07600-B.
| Weight | 20.700000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901388125 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
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