Product Overview
The Danfoss CV3-8-P-0-004 is a pilot-operated check valve designed for hydraulic systems requiring reliable load holding and controlled flow release. This valve operates on a pilot pressure principle, allowing free flow in one direction while blocking reverse flow until a pilot signal is applied to open the poppet. The CV3-8-P-0-004 is part of Danfoss’s CV3 series, known for robust construction and precise sealing characteristics. It is typically used in applications where actuators must hold position under load without drift, such as in clamping circuits, load-lowering controls, and safety-related hydraulic systems. The valve is compatible with mineral oil-based hydraulic fluids and is engineered for industrial environments demanding high reliability and leak-free performance.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pilot-Operated Check Valve (Hydraulic Valve) |
| Model Designation | CV3-8-P-0-004 |
| Operating Pressure | Up to 350 bar (standard industrial grade) |
| Pilot Ratio | Standard pilot ratio (typically 3:1 or 4.5:1 depending on configuration) |
| Mounting & Connection | Modular subplate mounting per ISO 4401 / CETOP standards |
| Sealing Material | NBR (Buna-N) standard, compatible with mineral oil |
| Flow Direction | Free flow one direction, blocked reverse until pilot pressure applied |
Engineering Features & Advantages
- Precision Performance: Pilot-operated poppet design ensures tight sealing and minimal leakage, maintaining actuator position under load without drift.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction resistant to contamination and pressure spikes.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Danfoss OEM standards, ensuring drop-in installation without modification.
- Controlled Release: Pilot pressure opens the valve smoothly, preventing sudden load drops and enabling controlled lowering of actuators.
Typical Industrial Applications
Ideal for plastic injection molding machines, metallurgical presses, construction and marine hydraulics, CNC machine tools, and any hydraulic system requiring reliable load holding, position locking, or safety interlock functions. The CV3-8-P-0-004 is particularly suited for circuits where reverse flow must be prevented until a pilot signal is applied, such as in clamping, lifting, and lowering operations.
PRODUCT IMAGES
DANFOSS CV3-8-P-0-004 Pilot-Operated Check 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 genuine DANFOSS CV3-8-P-0-004 Pilot-Operated Check Valve. This Denmark-made hydraulic component features a reliable pilot-operated design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.