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Positioning a large cylinder under load calls for a valve that measures its own spool position. This pilot-operated 4WRTE in size 25 moves 220 l/min nominal flow at 350 bar and takes the command value as a noise-resistant 4 ... 20 mA current signal.
Proportional Directional Valve 4WRTE25V220P-4X/6EG24TK31/F1M - Bosch Rexroth R901353348
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,530.17
Item
BRR-R901353348
Manufacturer no.
R901353348
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901353348
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901353348
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Closed-loop travel of a heavy cylinder needs a valve that senses its spool position and corrects it. The 4WRTE25V220P-4X/6EG24TK31/F1M does that at 220 l/min nominal flow, 350 bar operating pressure, and on-board electronics that read the command value as a 4 ... 20 mA current signal.
Benefits
- 220 l/min nominal flow, up to 870 l/min maximum flow, enough for rapid traverse on large cylinders.
- A 4 ... 20 mA current command survives long cable runs, and a broken wire shows up as a reading below 4 mA.
- Internal spool position feedback holds the commanded opening even as the load changes.
- External pilot oil supply combined with internal pilot oil return keeps the valve working when port P pressure drops below pilot level.
- Spool symbol V gives a fine metering range around centre, across 3 switching positions and 4 ports.
- Mounting pattern ISO 4401-08-08-0-05 fits any standard size 25 subplate.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRTE |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4...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 V |
| 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 | 17.96 kg |
Applications
Presses, forging manipulators and test rigs where a cylinder travels under high load in closed loop. On-board electronics accept the command value straight from the machine controller, so no separate amplifier card is needed in the cabinet. At 17.96 kg the valve belongs on a subplate rated for that mass.
Manufacturer
Bosch Rexroth, material number R901353348. Seals are NBR, matched to HL mineral oil based hydraulic fluid.
| Hersteller-Nr | R901353348 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.960000 |
| 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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