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| Manufacturer | Fluidyne Fluid Power |
|---|---|
| Pumps Max Pressure | 2,500 PSI |
| Pumps Rated Speed | 1,200 RPM |
| Pumps Max Speed | 4,000 RPM |
| Pumps Displacement | 19.5 cm³/r (1.19 in³/r) |
| Pumps Drive Shaft | 3/4" Straight Shaft with Key |
| Pumps Rotation | Right-Hand (Clockwise) |
| Pumps Ports In | G1" BSPP Straight Thread |
| Pumps Ports Out | G1/2" BSPP Straight Thread |
| Pump Mounting Flange | 2-Bolt Flange (SAE "A" size) |
| Shipping weight | 37 lb |
| Package size | 10 × 10 × 10 in |
Purchasing Information
Availability & Delivery
Most vane pumps ship within 1-2 business days. Made-to-order items typically require 5-7 business days.
For current availability on WF8251091, call (800) 823-4937.
Warranty & Protection
- 12-month warranty covers manufacturing defects
- 30-day return window for unopened units
- Free technical verification before ordering
- Each pump pressure tested before shipment
Ordering Options
Order online for immediate processing via our full selection of hydraulic pumps. Phone orders welcome at (800) 823-4937.
Net 30 terms available for approved accounts.
Volume pricing available on orders of 4 or more units. For applications requiring single stage vane pumps, contact us for bulk quotes.
Support & Documentation
- Installation guide included with every shipment
- Technical drawings and specifications available
- Cross-reference guides for common brands specifications
- Phone support: Monday-Friday, 7 AM – 5 PM MST
Questions? Call our specialists: (800) 823-4937
Product Selection Guide
These five FluiDyne V2020 double vane pump specifications models all offer direct Vickers interchangeability and share core specifications like max pressure (2500 PSI) and mounting type, but differ in flow combinations, shaft configurations, port orientations, rotation, and maximum speed. These distinctions impact their suitability for specific hydraulic circuits, flow demands, and installation requirements.
?? Important: The specifications shown are for reference and comparison purposes. Always verify specifications with the official manufacturer documentation or contact our technical team at (800) 823-4937 before ordering to ensure compatibility with your application. We cannot accept returns due to specification mismatches.
| Model Number | Flow Rate | Max Pressure | Displacement | Mounting |
|---|---|---|---|---|
| WF8251091 (Current) | 11 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF8251074 | 11 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF8251014 | 12 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF8251052 | 12 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF8251040 | 12 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
Key Differences
Front and Rear Pump Flow (GPM)
Difference: Front pumps deliver 11 or 12 GPM, while rear pumps range from 2 to 8 GPM. Total flows span 14 to 20 GPM.
Selection Guide: Choose higher combined GPM models (e.g., WF8251040 at 20 GPM total) for systems needing greater simultaneous flow to multiple actuators.
Maximum Speed (RPM)
Difference: Models limited by front or rear pump: up to 2500, 2400, or 1800 RPM.
Selection Guide: Select higher RPM models (e.g., WF8251091 at 2500 RPM) for applications running faster pump speeds or requiring quicker cycle times.
Port Orientation
Difference: Front/rear outlets are either 90° CCW/180° (WF8251091), both inline with inlet (0°), or both 180° from inlet.
Selection Guide: Choose inline ports (0°) for simplified plumbing; select 90°/180° or opposite arrangements for tight installations or specific line routing.
Shaft Type
Difference: Models offer straight keyed shafts or 13-tooth splined shafts.
Selection Guide: Use splined shafts (WF8251074, WF8251040) for high-torque or flexible coupling needs; straight keyed shafts for standard direct-drive setups.
Rotation
Difference: Models are available in right-hand (clockwise) or left-hand (counter-clockwise) rotation.
Selection Guide: Match pump rotation to your drive motor—right-hand for standard engine/motor setups, left-hand for reverse rotation requirements.
Quick Selection Guide
If you need: Balanced high flow and speed for parallel circuits (17 GPM, 2500 RPM), right-hand rotation, and standard keyed shaft
Choose: WF8251091
Because: Provides a good balance of flow and speed, with standard mounting and porting for most double-pump applications.
If you need: Highest total flow (20 GPM), left-hand rotation, and splined shaft for high-torque coupling
Choose: WF8251040
Because: Delivers the greatest combined output with robust splined shaft for demanding installations.
If you need: Higher rear pump flow (7 GPM), inline porting, and splined shaft, with left-hand rotation
Choose: WF8251074
Because: Best suited for dual-circuit systems where the secondary circuit requires more flow, and in-line plumbing is preferred.
If you need: Lower total flow (14 GPM), compact circuits, standard keyed shaft, and left-hand rotation
Choose: WF8251014
Because: Ideal for systems with modest flow requirements and conventional plumbing needs.
If you need: Lower total flow (14 GPM), compact circuits, right-hand rotation, and standard keyed shaft
Choose: WF8251052
Because: Perfect for applications needing basic double-pump functionality with standard drive orientation.
Compatibility: All models use SAE ‘B’ 4-bolt flange mounting and 1-1/16″-12 UN-2B threaded ports, ensuring direct Vickers replacement and simplified installation. For more options, view our full lineup of pumps with integral valves.
For expert model selection, cross-referencing, and application troubleshooting, contact Northern Hydraulics’ specialists at or explore our vane pump selection for more resources. (800) 823-4937, Mon-Fri, 7 AM – 5 PM MST.
Compatibility & Applications
Direct Replacement Information
As a Vickers WF8251091 replacement, this Fluidyne V2020 pump delivers reliable 19.5 cm³/r (1.19 in³/r) hydraulic displacement for demanding systems. It is engineered for up to 2500 PSI and rated for 1200 RPM performance, ensuring direct interchangeability and seamless integration. For alternative specs, see V201P5P18C11R – FluiDyne V20 Pump..
- Mounting Pattern: SAE ‘A’ 2-bolt
- Inlet Port: G1″ BSPP
- Outlet Port: G1/2″ BSPP
Common Applications
Commonly used in lifting equipment, conveyor systems, processing machinery. For more real-world case studies and application examples, explore our hydraulic pumps resource center.
- lifting equipment
- conveyor systems
- processing machinery
Important: Verify pump model WF8251091 matches your existing Vickers unit before ordering. For technical assistance, contact (800) 823-4937 or visit our Vickers replacement pumps category for compatibility guides.
Fluidyne V2020 WF8251091 Vane Pump | Replacement for Vickers/Eaton V2020-V20201F11S6S5BA30R 2.0 GPM | 2500 PSI | SAE ‘A’ 2-Bolt | 3/4″ Keyed Shaft
$1,001.30
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Expected delivery Oct 19 - Oct 23
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