Product Overview
The Parker FM3 DD S V 51 is a modular flow control valve from Parker Hannifin’s FM series, engineered for precise regulation of hydraulic fluid flow within industrial power units and manifold-based systems. Operating on a pressure-compensated, two-port flow control principle, this valve maintains a constant set flow rate independent of load-induced pressure fluctuations, ensuring stable actuator speed and repeatable cycle times. The “DD” designation indicates a direct-acting, pressure-compensated regulating element, while the “S” and “V” suffixes denote the specific adjustment and sealing configuration. Designed for sandwich (modular) mounting, the FM3 integrates directly between a directional control valve and its subplate, eliminating the need for inline piping and reducing potential leak points in the circuit.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Modular Flow Control Valve (Pressure-Compensated) |
| Model Designation | FM3 DD S V 51 |
| Series | Parker FM Series Modular Sandwich Valve |
| Operating Pressure | Standard Industrial Grade (Up to 315 bar rated) |
| Flow Regulation Principle | Pressure-compensated, load-independent metering |
| Mounting & Connection | Modular sandwich mounting per ISO 4401 / CETOP interface |
| Adjustment Type | Manual adjustment spindle (DD configuration) |
| Sealing Material | NBR (V suffix — standard industrial hydraulic fluid compatibility) |
Engineering Features & Advantages
- Precision Performance: The pressure-compensating spool maintains the set flow rate regardless of downstream load variations, delivering consistent actuator velocity and eliminating speed drift in multi-actuator circuits.
- Modular Integration: Sandwich-style construction allows direct stacking between directional valves and subplates, minimizing piping, reducing installation time, and lowering the risk of external leakage.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with hardened internal metering components and a robust housing designed to withstand pressure spikes and thermal cycling.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Parker FM3 modular valve standards, ensuring drop-in replacement without manifold modification.
Typical Industrial Applications
The Parker FM3 DD S V 51 is widely deployed in plastic injection molding machines for precise mold closing and injection speed control, in metallurgical presses where consistent ram velocity is critical, in CNC machine tools and machining centers for controlled feed axis actuation, and in general industrial power units and manifold blocks requiring reliable, load-independent flow regulation across multiple hydraulic circuits.
PRODUCT IMAGES
PARKER FM3 DD S V 51 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 genuine PARKER FM3 DD S V 51 Solenoid Directional Control Valve. This Germany-made hydraulic component features a spool-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.
