Overview
The Parker PRCH101K30 8T is a pilot operated pressure reducing valve with reverse flow check valve designed for applications requiring regulated pressure control and reverse flow protection. This cartridge valve combines pressure reduction and check valve functions in a single unit, reducing component count and simplifying system architecture. Parker’s pilot operated design provides superior pressure control stability ideal for sensitive hydraulic functions across mobile and industrial equipment.
Key Features
- Integrated reverse flow check valve prevents backpressure and reverse flow conditions
- Pilot operated spool design for enhanced pressure stability in sensitive applications
- Compact cartridge configuration enables flexible manifold mounting
- All external parts zinc plated for corrosion resistance
- Hardened steel internals ensure long service life
- Multiple pressure range options available for precise control
Technical Specifications
- Valve Type: Pilot Operated Pressure Reducing/Relieving with Reverse Flow Check
- Maximum Operating Pressure: Up to 380 bar (5500 psi)
- Maximum Flow Capacity: Up to 150 lpm (40 gpm)
- Valve Material: All parts steel with hardened operating components
- Seal Type: D-Ring (Standard)
- Configuration: Screw-in Cartridge
- Operating Temperature: -35 to +200°C (-35 to +400°F)
Typical Applications
- Clamping and brake systems requiring precise pressure regulation
- Up and down-force control on machinery and mobile equipment
- Suspension system pressure management
- Pilot control circuits in proportional and directional valve systems
- Branch circuit protection where lower pressure is required than main system pressure
- Agricultural and construction equipment hydraulics
Compatibility & Replacements
Verify compatibility with your system integrator before ordering.
Compatible With
- Parker manifold cavity designs supporting PRH101/PRCH101 series cartridges
- SAE subplate and sandwich configuration valve blocks
- ISO 4401 NG10 and NG6 cavity manifolds
- Proportional and directional control valve pilot circuits
Replaces / Drop-In Replacement For
- Earlier Parker PRCH101 cartridge models with 30 bar (435 psi) pressure setting
- Direct replacement for PRCH101K30 variants in identical cavity applications
Works With
- Parker manifold systems and integrated hydraulic valve blocks
- ISO 4401 cavity standards (NG6, NG10, and larger)
- Standard SAE and ISO ported subplates
- Hydraulic fluid per ISO VG 32-46 mineral oil specifications






