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At a peak of 160 l/min it is return line back pressure that decides zero point stability. The 4WS2EM10-5X/75B11XHE315K31EV meters 75 l/min nominal flow, feeds its pilot stage internally, drains it through a dedicated Y line.
Servo Directional Valve 4WS2EM10-5X/75B11XHE315K31EV - Bosch Rexroth R901108851
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,871.17
Item
BRR-R901108851
Manufacturer no.
R901108851
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901108851
Country of originGermany
ConditionNew
Artikel
BRR-R901108851
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Large flows raise pressure in the tank line, which an internally drained servo valve passes on to its pilot stage. This version drains pilot oil externally, holding its zero point while it controls 75 l/min nominal flow, up to 160 l/min in peak.
Benefits
- 75 l/min nominal flow, 160 l/min maximum flow in size 10
- External pilot oil return with internal supply, the answer to a return filter, a cooler in the tank line
- Internal spool position feedback for high repeat accuracy, analog command value 30 mA/85
- 350 bar operating pressure, 24 VDC supply through a 7-pole connector (6 + PE)
- FKM seals, HL hydraulic fluid, 4.4 kg
Technical data
| Conformity description | CCC - Ex TR type examination certificate |
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 160 l/min |
| Type of connection | Subplate mounting |
| Product family | 4WS2EM10..XH |
| Nominal flow | 75 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 | 4.4 kg |
Application
The valve serves presses, forging plants, test benches with high throughput on a closed loop axis. A separate pilot drain becomes mandatory as soon as a shared return of several consumers builds up pressure. Mounting is on an ISO 4401-05-05-0-05 subplate.
Manufacturer
From the Bosch Rexroth range, material number R901108851, type designation 4WS2EM10-5X/75B11XHE315K31EV, product family 4WS2EM10..XH.
| Weight | 4.400000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901108851 |
| 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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