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Control loops with short cycle times need a valve that follows the command value within milliseconds. The 4WS2EM10-5X/30B11ET315K31EV is a servo valve of nozzle and flapper plate design with 30 l/min nominal flow and internal spool position feedback.
Servo Directional Valve 4WS2EM10-5X/30B11ET315K31EV - Bosch Rexroth R900949285
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,921.21
Item
BRR-R900949285
Manufacturer no.
R900949285
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900949285
Country of originGermany
ConditionNew
Artikel
BRR-R900949285
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Nozzle and flapper plate move the pilot spool with very small forces, and that is what makes a servo valve fast. The 4WS2EM10-5X/30B11ET315K31EV applies this principle in size 10 at 30 l/min nominal flow and 315 bar maximum operating pressure.
Benefits
- Nozzle and flapper pilot stage with internal spool position feedback, spool position is measured and corrected.
- 30 l/min nominal flow at 315 bar maximum operating pressure in size 10.
- Spool symbol V with three switching positions across four ports on the ISO 4401-05-05-0-05 pattern.
- Supply ±15 VDC through a 7-pole (6 + PE) plug to EN 175201-804, driven by external electronics.
- FKM seals, 3.6 kg weight, directly actuated for HL hydraulic fluid.
Technical data
| Connection diagram | ISO 4401-05-05-0-05 |
| Product family | 4WS(E)2E10 |
| Type of connection | Subplate mounting |
| Nominal flow | 30 l/min |
| Supply voltage | ±15 VDC |
| 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. | 315 bar |
| Size | 10 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 3.6 kg |
Applications
The valve is used in position, force and pressure control loops on test rigs, simulators and forming machines. The nozzle and flapper stage reacts sensitively to contamination, so the oil cleanliness required by the manufacturer has to be observed. The control electronics sit outside the valve and are supplied with ±15 VDC.
Manufacturer
Bosch Rexroth, material number R900949285. Frequency response, step response and the required cleanliness class are taken from the manufacturer documentation for this valve family.
| Norm | DIN EN 175201-804, ISO 4401 |
|---|---|
| Hersteller-Nr | R900949285 |
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 3.600000 |
| 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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