Images are for illustration purposes only and may differ from the actual product. Some images have been generated or edited, in whole or in part, using artificial intelligence systems. The technical specifications in the product description are authoritative.
When pilot oil comes from a separate circuit and drains separately, the main circuit stays independent of the pilot pressure. The H-4WEH25R6X/6EG24N9S2K4 uses an external pilot oil supply with an external pilot oil return while switching 700 l/min.

Directional Spool Valve H-4WEH25R6X/6EG24N9S2K4 - Bosch Rexroth R978027961

BOSCH REXROTH Original product
Net price (excl. VAT)
€2,308.11
Item BRR-R978027961
Manufacturer no. R978027961
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.R978027961
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R978027961
Frequently Bought Together

Pilot-operated size 25 directional spool valve with spool symbol R that reverses 700 l/min and routes its pilot oil entirely externally.

Key benefits

  • External pilot oil supply and external pilot oil return, independent of main circuit pressure
  • Flow rate of 700 l/min at a maximum working pressure of 350 bar
  • 3 switching positions to spool symbol R across 4 ports
  • Weight of 18.8 kg, ISO 4401-08-08-0-05 connection diagram
  • 3-pole connector (2 + PE) to EN 175301-803 for 24 V DC

Technical data

Connection diagramISO 4401-08-08-0-05
Max. flow700 l/min
Product familyH-4W.H..
Type of connectionSubplate mounting
Supply voltage24 VDC
Number of switching positions3
Hydraulic fluidHL
Number of ports4
Electrical connection descriptionConnector 3-pole (2 + PE) according to EN 175301-803
Spool symbolSymbol R
Operating pressure, max.350 bar
Size25
SealsNBR
Electrical connectorConnector, 3-pole (2 + PE)
Type of actuationwith solenoid actuation
Weight18.8 kg

Applications

This layout suits plants with a dedicated pilot pump, for instance in foundries, rolling mills and large test benches. NBR seals with HL hydraulic fluid match standard mineral oil operation. Size 25 subplate mounting keeps the piping outside the valve.

Manufacturer

Bosch Rexroth lists this valve under material number R978027961. We supply original manufacturer parts. Characteristic curves, installation dimensions and tightening torques are given in data sheet RE 24751 and RE 07600-B.

More Information
Weight 18.800000
Manufacturer Bosch Rexroth
Hersteller-Nr R978027961
Zolltarifnummer 84812010
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