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The main axis of a press starts smoothly when flow is controlled instead of switched. The 4WRZ25W9-220-7X/6EG24N9TK4/M is a pilot-operated proportional directional valve of size 25 with 220 l/min nominal flow and peaks up to 870 l/min.
Proportional Directional Valve 4WRZ25W9-220-7X/6EG24N9TK4/M - Bosch Rexroth R901440600
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,338.10
Item
BRR-R901440600
Manufacturer no.
R901440600
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901440600
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901440600
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A controlled flow of 220 l/min lets cylinders start and stop without shocking the plant. The 4WRZ25W9-220-7X/6EG24N9TK4/M uses spool symbol W9 in size 25 for that and handles up to 870 l/min.
Benefits
- 220 l/min nominal flow, flow through the valve up to 870 l/min
- 350 bar maximum operating pressure on interface ISO 4401-08-08-0-05
- Spool symbol W9, three switching positions, four ports in size 25
- Electrical with external electronics, 24 VDC supply, 3-pole (2 + PE) plug
- 20.58 kg, NBR seals, HL hydraulic fluid
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Supply voltage | 24 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 W9 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.58 kg |
Applications
The valve serves presses, lifting gear and injection moulding machines whose axes accelerate and decelerate every cycle. External electronics let ramps and curves live in the machine controller. The ISO 4401-08-08-0-05 hole pattern is standard in size 25.
Manufacturer
Bosch Rexroth, material number R901440600. Characteristic curves, step response and installation dimensions are given in data sheet RE 29115.
| Hersteller-Nr | R901440600 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.580000 |
| Zolltarifnummer | 84812010 |
| 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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