The REXROTH HY6RSJ-B / R900928618 is a heavy-duty industrial directional spool valve engineered for precise control of hydraulic fluid flow direction, pressure, and flow rate in demanding hydraulic systems. Designed for manifold mounting per ISO 4401 / CETOP standards, this valve ensures reliable operation and long service life in high-pressure applications.

REXROTH HY6RSJ-B / R900928618 Technical Specifications

ParameterSpecification
Valve TypeDirectional Spool Valve, 4-way, 3-position
ActuationSolenoid operated, spring return
Nominal Flow RateUp to 60 L/min
Maximum Operating Pressure350 bar (port P, A, B); 210 bar (port T)
Spool TypeClosed center, positive overlap
Mounting StandardISO 4401-03 / CETOP 3 / NG6
Hydraulic FluidMineral oil based, viscosity 10–500 mm²/s
Fluid Temperature Range-20 °C to +80 °C
Electrical ConnectionDIN EN 175301-803 (plug-in connector)
Protection ClassIP65 (with mating connector)
Seal MaterialNBR (nitrile rubber)
Housing MaterialCast iron / steel

Key Engineering Features

  • Precise spool design ensures minimal internal leakage and accurate flow control.
  • Robust solenoid actuation with manual override for emergency operation.
  • High-pressure capability up to 350 bar for demanding hydraulic circuits.
  • Standard ISO 4401-03 mounting pattern for easy integration into manifold systems.
  • Durable construction with NBR seals for compatibility with mineral-based hydraulic fluids.
  • Spring return ensures fail-safe spool positioning upon de-energization.

Industrial Applications

  • Machine tools and CNC equipment hydraulic control circuits.
  • Industrial automation and robotic systems requiring precise directional control.
  • Presses, injection molding machines, and forming equipment.
  • Material handling and lifting equipment hydraulic manifolds.
  • Mobile and stationary hydraulic power units.

For technical inquiries, dimensional drawings, or replacement support for REXROTH HY6RSJ-B / R900928618, contact the Pro-Hydraulic engineering team.

PRODUCT IMAGES

REXROTH HY6RSJ-B / R900928618

REXROTH HY6RSJ-B / R900928618 Directional Spool Valve

⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:

  • Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
  • Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
  • Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
  • Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the REXROTH HY6RSJ-B / R900928618 Directional Spool Valve. This precision-engineered hydraulic component delivers reliable performance and accurate flow control for demanding industrial systems.

Tested Genuine Surplus / OEM Hydraulic Component
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Tested Genuine Surplus / OEM Hydraulic Component
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