Parker D91FBB32HC1NF00 Proportional Directional Control Valve
Description
Parker D91FBB32HC1NF00 Proportional Directional Control Valve
1. Product Overview
The Parker D91FBB32HC1NF00 is a high-performance pilot-operated proportional DC valve from the D*1FB OBE series, designed for industrial hydraulic systems. Engineered with onboard electronics, this valve enables precise flow control via a proportional solenoid actuator, accepting a 0 to ±10V signal input. Its 3-way configuration (P-B flow path) and progressive flow characteristics make it ideal for applications requiring sensitive adjustment, such as machine tools, injection molding equipment, and heavy machinery. Constructed with a cast iron body and NBR seals, the valve ensures durability under high pressure (up to 350 bar) and harsh environments, with an IP65 ingress protection rating.
2. Key Technical Features
Pilot-Operated Design: Utilizes a small pilot pressure (min. 30 bar + T/Y backpressure) to drive the main spool, enabling high-flow control with low actuation power.
Proportional Solenoid Actuation: Converts electrical signals (0–±10V) into linear mechanical motion, achieving stepless flow regulation. For example, 0 to +10V corresponds to P-B flow direction, while -10 to 0V can be configured for reverse flow (system-dependent).
Rapid Response & Low Hysteresis: With a 100 ms response time and hysteresis <5%, the valve ensures consistent performance and repeatability in dynamic applications.
Wide Operational Range:Fluid temperature: -25°C to 60°C
Ambient temperature: -20°C to 60°C
Viscosity range: 20 to 400 cSt (suitable for DIN 51524 hydraulic oils and water-glycol mixtures)
Robust Construction: Cast iron body resists high pressure and vibration (compliant with IEC 68-2-6/36/27 standards), while NBR seals offer chemical resistance and longevity.
3. Technical Specifications in Text Format
Port Connection: NG25 / CETOP 08 (compatible with DIN 24340, ISO 4401, and NFPA mounting standards)
Mounting Type: Subplate mounting for easy integration into hydraulic manifolds
Flow Rate: 400 L/min at rated conditions
Maximum Operating Pressure: 350 bar (pilot pressure also up to 350 bar)
Signal Input: 0–±10V analog, with 10% pre-set opening point for stable start-up
Power Supply: 18–30V DC (ripple <5% eff., surge-free)
Leak Rate: 600 ml/min at maximum pressure
Filter Efficiency Requirement: ISO 4406 18/16/13 to ensure contamination resistance
Electronics Type: Onboard, eliminating the need for external controllers
Weight: 21.1 kg
4. Application Scenarios
The D91FBB32HC1NF00 excels in various industrial hydraulic systems:
Metal Forming Machinery: Controls ram speed and force in presses for precise sheet metal fabrication.
Construction Equipment: Regulates boom and bucket movements in excavators, ensuring smooth operation under heavy loads.
Material Handling Systems: Adjusts conveyor belt tension and speed in automated production lines.
Marine Hydraulics: Powers deck cranes and winches, with IP65 protection against saltwater and corrosion.
5. Product Advantages
Cost-Effective Performance: Balances precision control with a competitive price, outperforming standard solenoid valves in dynamic applications.
Versatile Integration: Standardized ports and mounting styles allow seamless replacement of similar valves, reducing downtime.
Energy Efficiency: Proportional control minimizes 溢流 (overflow) losses compared to on/off valves, optimizing system energy consumption.
Reliability & Longevity: Solid design with minimal moving parts and robust materials ensures low maintenance and extended service life.
6. Series Overview
The D*1FB OBE series includes four sizes to meet diverse flow requirements:
D31FB OBE (NG10 / CETOP 05)
D41FB OBE (NG16 / CETOP 07)
D91FB OBE (NG25 / CETOP 08, current model)
D111FB OBE (NG32 / CETOP 10)
Each model shares the same progressive flow characteristics and onboard electronics, providing consistent performance across different system scales.
7. Operational Notes
Fluid Cleanliness: Maintain ISO 4406 18/16/13 cleanliness to prevent spool sticking or seal wear.
Electrical Wiring: Use shielded cables for signal inputs to minimize electromagnetic interference, especially over long distances.
Pilot Oil Source: Ensure independent or filtered pilot oil supply to avoid contamination affecting control accuracy.
The Parker D91FBB32HC1NF00 combines technical excellence with industrial durability, setting a standard for proportional flow control in demanding hydraulic applications
