Product Overview

The Rexroth 8P-1S / P55556-3 is a pneumatically actuated directional control valve engineered for precise management of compressed air flow in industrial process circuits. As part of the Rexroth 8P series, this valve utilizes a balanced spool and sleeve design that ensures consistent shifting forces and minimal leakage across the operating range. The P55556-3 designation identifies a specific flow configuration and porting arrangement, making it a direct-fit component for OEM pneumatic control panels and manifold assemblies. Its robust construction and pneumatic pilot actuation allow for reliable, high-cycle operation in automated machinery where rapid response and long service life are critical.

Technical Specifications

ParameterSpecification / Feature
Component TypePneumatic Directional Control Valve
Model Designation8P-1S / P55556-3
Operating PressureStandard Industrial Grade (Up to 10 bar / 145 psi)
Mounting & ConnectionStandard ISO / Manufacturer Interface

Engineering Features & Advantages

  • Precision Performance: Balanced spool design delivers consistent actuation force and minimal internal leakage, ensuring accurate flow control and repeatable cycle times in high-speed pneumatic systems.
  • Industrial Reliability: Built for continuous operation under severe industrial conditions, with wear-resistant seals and a hardened spool that withstands millions of cycles without degradation.
  • Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, allowing drop-in replacement without modification to manifolds or piping.

Typical Industrial Applications

This valve is commonly deployed in plastic injection molding machines for mold opening and ejection sequences, metallurgical presses for clamping and safety interlock circuits, packaging and assembly automation for actuator control, and general factory automation panels requiring reliable directional air flow management.

PRODUCT IMAGES

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Rexroth 8P-1S / P55556-3 Pneumatic Directional Control Valve

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  • 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 genuine REXROTH 8P-1S / P55556-3 Solenoid Directional Control Valve. This Germany-made 24V DC hydraulic component features a 4-way 3-position design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.

Tested Genuine Surplus / OEM Hydraulic Component
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Tested Genuine Surplus / OEM Hydraulic Component
WhatsApp RFQ Fast Quote