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A blow moulding machine closes its mould quickly and then holds it calmly. The 4WRZE25W8-325-7X/6EG24N9EK31/F1D3M meters 325 l/min nominal flow for that, follows a 4 to 20 mA current command and weighs 20.99 kg.
Proportional Directional Valve 4WRZE25W8-325-7X/6EG24N9EK31/F1D3M - Bosch Rexroth R900753993
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,577.69
Item
BRR-R900753993
Manufacturer no.
R900753993
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900753993
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900753993
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Total price
In blow moulding the calmness of the closing movement decides the wall thickness of the part. The 4WRZE25W8-325-7X/6EG24N9EK31/F1D3M meters 325 l/min nominal flow under position control, feeds its pilot stage internally and drains it to the outside.
Benefits
- Internal pilot oil supply with external return keeps pilot pressure calm.
- Nominal flow of 325 l/min closes the mould briskly, plant maximum 870 l/min.
- A 4 to 20 mA current command works regardless of voltage drops along the cable.
- Spool symbol W8, 3 switching positions, 350 bar operating pressure, ISO 4401-08-08-0-05.
- 4 ports, NBR seals, 24 V DC, weight 20.99 kg, UKCA to SI2016/1091.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 325 l/min |
| Conformity | UKCA |
| Supply voltage | 24 V DC |
| Connectivity | Analog, command value 4 to 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 W8 |
| 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 | 20.99 kg |
Applications
The valve moves clamping units, blow pins and take-out axes in plastics processing. Comparable tasks appear on thermoforming lines and laminating presses. A pressure reducing valve in the pilot circuit keeps pilot pressure independent of the 350 bar system pressure.
Manufacturer
Bosch Rexroth, material number R900753993. Characteristic curves and installation notes are stated in datasheet RE 29115, the range overview in RE 07600-B.
| Hersteller-Nr | R900753993 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.990000 |
| 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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