Duplomatic VPPL-022PQC-R00S/20N Variable Displacement Axial Piston Pump
$1,500.00
1 in stock
Duplomatic VPPL-022PQC-R00S/20N Variable Displacement Axial Piston Pump
The Duplomatic VPPL-022PQC-R00S/20N is a high performance variable displacement axial-piston pump designed for open-circuit industrial and marine hydraulic applications. The Series 20 unit, with a cradle-type variable swash plate, features optimum flow matching and energy efficiency at intermediate operating pressures. The unit has a displacement capacity of 22 cm³/rev and is designed to meet demanding working cycles with minimum volumetric and mechanical loss. The assembly offers elastomeric NBR seals for mineral-based hydraulic fluids, a rugged SAE J744 2-hole mounting flange, and cylindrical keyed shaft termination.
Model Details
- Manufacturer: Duplomatic Motion Solutions
- Series: Series 20
- MPN (Manufacturer Part Number): VPPL-022PQC-R00S/20N
- Frame Size / Displacement: 022
- Control Type: PQC (Proportional / Specific industrial regulating control configuration)
- Rotation Direction: Clockwise (viewed from shaft extension side)
- Sealing Material: NBR (Nitrile Rubber for HL/HM mineral oils)
Technical Specifications: VPPL-022PQC-R00S/20N
| Technical Parameter | Specification Details |
|---|---|
| Nominal Displacement | 22 cm³/rev |
| Flow Rate at 1500 RPM | 33 L/min |
| Maximum Peak Operating Pressure | 210 bar |
| Rotational Speed Range | Min 500 RPM – Max 1800 RPM |
| Rotation Direction | Clockwise (viewed from shaft side) |
| Mounting Interface | SAE J744 – 2-Hole Flange |
| Drive Shaft Type | SAE Cylindrical Shaft with Key |
| Internal Pump Body Oil Volume | 0.6 dm³ (Liters) |
| Dry Mass / Weight | 12 kg |
| Recommended Fluid Viscosity | 20 to 50 cSt (Operating range) |
| Fluid Temperature Range | -10°C to +70°C |
| Ambient Temperature Range | -10°C to +50°C |
| Fluid Contamination Class | ISO 4406:1999 Class 20/18/15 (Recommended 20/16/13) |
Features
- Precision swash plate control provides continuous manual or mechanical control of minimum and maximum displacement limits.
- High Volumetric Efficiency: Designed with optimized piston-slipper to reduce internal leakage for power delivery under load.
- Robust Interface Design: Equipped with standard SAE 2-hole mount and keyed cylindrical shaft interfaces for simple retrofitting.
- Low Noise Emissions: Advanced internal porting plate timing limits pressure pulsation and fluid-borne noise signatures.
- Long Service Life Compatible with common mineral hydraulic oils (HL/HM kinds) with tough journal and thrust bearing architecture supported.
Applications
- Marine steering gear and deck machinery hydraulic power packs
- Industrial machine tools requiring adjustable volumetric delivery
- Hydraulic press brakes and metal forming automation lines
- Mobile crane auxiliary hydraulic circuits
- Plastic injection molding secondary loop controls
Compatibility & Equipment Models
- Compatible Valve Series: Duplomatic DSH, DS3, and MPE proportional flow/pressure control valves.
- Compatible Power Units: Standard open-loop industrial hydraulic power packs running on ISO VG 46 mineral oils.
- Interchangeable Assemblies: Directly replaces legacy Duplomatic VPPL Series 10 models sharing identical SAE J744 2-hole 22cc frame dimensions.
Part Number Cross-References
Competitor / Legacy Cross: Duplomatic VPPL-022PC5-R00S/20N, VPPL-022-20
OEM Internal Code: 16200/117 ED
Marine Engineer Expert’s Guide
Expert Installation Advice: When commissioning this axial piston pump in marine or humid environments, always fill the pump casing completely through the upper drain port with clean, filtered hydraulic fluid (ISO VG 46) prior to initial startup. Dry starting will instantly score the swash plate bronze shoes and ruin the rotating barrel assembly.
Frequently Asked Questions
What is the maximum operating pressure of the Duplomatic VPPL-022PQC-R00S/20N?
The Duplomatic VPPL-022PQC-R00S/20N variable displacement axial piston pump is rated for a maximum continuous operating pressure of 210 bar making it ideal for demanding industrial and marine hydraulic systems.
How does the PQC load-sensing control function on this pump?
The integrated PQC regulator continuously monitors system pressure and flow requirements, dynamically adjusting the swash plate angle to match pump output to the exact load demand. This prevents unnecessary fluid bypassing, reduces power consumption, and minimizes system heat buildup.
Which hydraulic fluids are compatible with the Duplomatic VPPL-022PQC?
The pump is optimized for use with mineral oil-based hydraulic fluids conforming to ISO 6743-4 types HL, HM, and HV. Recommended operating fluid viscosity must remain within 20 to 50 cSt for optimal volumetric efficiency.
What mounting and shaft configurations does this pump utilize?
The unit utilizes a standard SAE J744 2-hole mounting flange coupled with a cylindrical keyed drive shaft, ensuring seamless mechanical compatibility with global industrial and marine power unit standards.
14 DAYS RETURN POLICY
RETURNS ARE ACCEPTED IN 14 DAYS. BUYER PAYS THE SHIPPING CHARGES. RESTOCKING FEES 20%.
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