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At 21.5 kg the 4WRZE25W8-220-7X/6EG24N9EK31/F1D3M is the heaviest version in this selection. It meters 220 l/min nominal flow with spool symbol W8, is commanded by 4 to 20 mA and drains its pilot circuit to the outside.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9EK31/F1D3M - Bosch Rexroth R900757604
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,577.68
Item
BRR-R900757604
Manufacturer no.
R900757604
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900757604
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900757604
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A bascule bridge moves large masses slowly and must be able to stop safely at any moment. The 4WRZE25W8-220-7X/6EG24N9EK31/F1D3M meters 220 l/min nominal flow with spool symbol W8, feeds itself internally and drains the pilot return to the outside.
Benefits
- Spool symbol W8 with 3 switching positions gives the centre position defined holding behaviour.
- External pilot return keeps the control circuit free of back pressure in long tank lines.
- A 4 to 20 mA current command carries the setpoint across the whole structure.
- Nominal flow 220 l/min, 350 bar operating pressure, plant maximum 870 l/min.
- ISO 4401-08-08-0-05, 4 ports, weight 21.5 kg, 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 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 | 21.5 kg |
Applications
The valve drives bascule and lift bridges, barrages and heavy adjusting drives in hydraulic steel structures. Loading installations with long pipe runs to the cylinder use the same arrangement. The concealed manual override allows moving the axis without control voltage.
Manufacturer
Bosch Rexroth, material number R900757604. The basis is datasheet RE 29115 for the pilot-operated proportional directional valve together with the overview RE 07600-B.
| Hersteller-Nr | R900757604 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 3.580000 |
| Zolltarifnummer | 84812010 |
| 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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