The PARKER QR4004S2K2PFSBFF is a heavy-duty industrial modular flow control valve engineered for precise regulation of actuator speed and load control in hydraulic circuits. Designed for sandwich mounting within CETOP/ISO modular stacks, it provides accurate pressure-compensated flow adjustment without the need for external piping.
PARKER QR4004S2K2PFSBFF Technical Specifications
| Product Type | Modular Flow Control Valve |
| Mounting Standard | CETOP / ISO 4401 (NG06 / NG10 depending on size) |
| Function | Pressure-compensated flow control, 2-way |
| Adjustment Type | Manual screw / knob (per model code) |
| Max Operating Pressure | Up to 350 bar (5075 psi) |
| Flow Range | Refer to Parker QR series performance tables |
| Fluid Compatibility | Mineral oil, HLP, HLVP, synthetic fluids |
| Seal Material | NBR / FKM (dependent on configuration) |
| Port Connections | Subplate / manifold interface |
Key Engineering Features
- Pressure-compensated design maintains constant flow regardless of load variations
- Modular sandwich construction enables direct stacking with directional, pressure, and check valves
- Precise manual adjustment for fine speed control of hydraulic actuators
- Robust cast iron or steel body for high-pressure industrial service
- Compatible with standard CETOP/ISO interfaces for simplified system integration
- Optional reverse flow and bypass configurations available within QR series
Industrial Applications
- Machine tool hydraulic systems requiring accurate feed rate control
- Presses and forming equipment with variable actuator speeds
- Mobile and industrial manifolds using modular valve stacks
- Material handling and lifting circuits needing load-independent flow
- Test stands and specialized hydraulic power units
For technical inquiries, dimensional drawings, or replacement support for PARKER QR4004S2K2PFSBFF, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
PARKER QR4004S2K2PFSBFF Modular Flow Control 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 PARKER QR4004S2K2PFSBFF Modular Flow Control Valve. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.