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Where the tank line carries back pressure from filter and cooler, an internal pilot return passes that pressure straight to the pilot stage. The 4WS2EM10-5X/5B11XHE315K31EV drains its pilot oil externally, feeds internally, meters 5 l/min nominal flow at up to 350 bar.
Servo Directional Valve 4WS2EM10-5X/5B11XHE315K31EV - Bosch Rexroth R901244995
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,871.17
Item
BRR-R901244995
Manufacturer no.
R901244995
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901244995
Country of originGermany
ConditionNew
Artikel
BRR-R901244995
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A servo valve with internal pilot drain reacts to any back pressure in the tank line. This version takes pilot oil internally but drains it externally to an unpressurised line, while metering 5 l/min nominal flow at 9 l/min maximum.
Benefits
- Internal pilot oil supply with external pilot oil return, keeping the pilot chamber free of return line back pressure
- 5 l/min nominal flow, 9 l/min maximum flow, sized for small closed loop axes
- Direct actuation with internal spool position feedback, analog command value 30 mA/85 on 24 VDC
- 350 bar operating pressure, FKM seals, HL hydraulic fluid
- Size 10 to ISO 4401-05-05-0-05, 3 switching positions, 4.46 kg
Technical data
| Conformity description | CCC - Ex TR type examination certificate |
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 9 l/min |
| Type of connection | Subplate mounting |
| Product family | 4WS2EM10..XH |
| Nominal flow | 5 l/min |
| Conformity | CCC-Ex |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 30 mA/85 |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 2 |
| Electrical connection description | Connector 7-pole (6 + PE) according to EN 175201-804 without |
| Operating pressure, max. | 350 bar |
| Size | 10 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 4.46 kg |
Application
The choice wherever return filters, coolers, a long collecting return line build up a few bar of back pressure. In test benches, clamping axes the zero position of the valve stays stable as a result. The separate Y line runs to tank without pressure.
Manufacturer
Bosch Rexroth lists this product under material number R901244995, type designation 4WS2EM10-5X/5B11XHE315K31EV, product family 4WS2EM10..XH.
| Hersteller-Nr | R901244995 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 4.460000 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
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