| General Info | Product Series | Parker D31FPB Series (High-Performance Proportional Directional Control Valve) |
| Full Part Number | D31FPB61CB5NB0046 | |
| Size & Mounting | Nominal Size | NG10 (ISO 4401-05 / CETOP 5 / NFPA D05) |
| Mounting Pattern | Subplate mounting (requires NG10 interface) | |
| Hydraulic Performance | Valve Type | Pilot-operated proportional directional valve |
| Spool Type | Type B (Specific mid-position function per Parker chart) | |
| Rated Flow | Approx. 160 L/min (at valve pressure drop Δp = 10 bar) | |
| Max. Operating Pressure | Ports P, A, B: 350 bar; Port T: 250 bar | |
| Pilot Pressure | Minimum 12 bar (required for proper pilot operation) | |
| Electrical Characteristics | Control Type | Integrated Digital On-Board Electronics (OBE) |
| Supply Voltage | 24 VDC (typically ±15% tolerance) | |
| Command Signal | ±10V (Analog voltage input) | |
| Electrical Connector | Standard industrial plug (Check pinout on nameplate) | |
| Material & Environment | Seal Material | NBR (Nitrile Rubber) (Standard for mineral oils) |
| Operating Temperature | -20°C to +50°C (Standard NBR range) | |
| Fluid Viscosity Range | Recommended 10 ~ 380 mm²/s (cSt) | |
| Special Features | Pilot Stage | High-response pilot valve with LVDT position feedback |
| Main Stage | Main spool with LVDT position feedback for closed-loop control | |
| Spool Position Monitoring | Available (Center position monitoring option) | |
| Special Notes | Custom Code (0046) | Specific Modification Number. May involve special zero-point settings, ramp times, specific flow curves, or proprietary test reports. |
D31FPB61CB5NB00 – Parker Proportional Valve
- About the Flow (Code 61): In the Parker D31FPB series, the number
61indicates a specific flow rating. Based on the NG10 size and pilot-operated design, this valve is capable of handling flows up to approximately 160 L/min (at Δp = 10 bar). This makes it suitable for medium-to-large industrial applications such as injection molding machines, presses, and machine tools. - About the Spool (Code B): The
Bspool type typically features a specific mid-position function. You should consult the Parker D31FPB series catalog to confirm the exact spool configuration for your application. - About the Seals (Code N): This valve uses NBR (Nitrile) seals, which are suitable for standard mineral-based hydraulic oils. If your system uses fire-resistant fluids or operates at high temperatures, you may need a valve with FKM (Viton) seals.
- About the Custom Code (0046): The
0046suffix indicates a factory-specific modification. This could involve special tuning of the PID parameters, specific ramp times, or unique flow characteristics tailored to a particular machine or application.- Replacement Advice: Do not replace it with a standard D31FPB valve without the
0046suffix. The internal digital electronics and tuning parameters may not match your system, potentially causing instability, poor performance, or machine faults.
- Replacement Advice: Do not replace it with a standard D31FPB valve without the
Original price was: $5,655.00.$4,466.00Current price is: $4,466.00.
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