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Ejectors on forging presses work in a hammer rhythm and must not overshoot. The 4WRKE10W8-100L-3X/6EG24TK31/A1D3M receives its pilot pressure externally, returns pilot oil internally and controls 100 l/min nominal flow.
Proportional Directional Valve 4WRKE10W8-100L-3X/6EG24TK31/A1D3M - Bosch Rexroth R900708991
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,765.92
Item
BRR-R900708991
Manufacturer no.
R900708991
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900708991
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900708991
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After every blow the system pressure dips briefly, yet the ejector still has to move calmly. The 4WRKE10W8-100L-3X/6EG24TK31/A1D3M therefore draws pilot pressure externally and keeps its 100 l/min nominal flow under control.
Benefits
- Pilot oil supplied externally, drained internally, pressure dips in the main channel leave pilot pressure untouched.
- 100 l/min nominal flow, up to 170 l/min, spool symbol W8.
- ±10 V command with internal position feedback and a linear characteristic curve.
- 315 bar maximum operating pressure in size 10, ISO 4401-05-05-0-05 pattern.
- 8.37 kg, NBR seals, supplied at 24 VDC through a 7-pole (6 + PE) plug.
Technical data
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 170 l/min |
| Product family | 4WRKE |
| Type of connection | Subplate mounting |
| Nominal flow | 100 l/min |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value ±10 V |
| 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. | 315 bar |
| Size | 10 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 8.37 kg |
Applications
The valve works on ejectors and manipulators of forging presses, on hammers and on equipment with shock-type load changes. Port X is fed from a separate circuit, a Y line is not needed. Replacement valves must carry the same pilot variant.
Manufacturer
Bosch Rexroth, material number R900708991. TK31 marks external pilot oil supply with internal return, A1 the ±10 V command value.
| Hersteller-Nr | R900708991 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.361000 |
| 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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