(800) 823-4937
sales@northernhydraulics.net
| Weight | 37.0 lbs |
|---|---|
| Dimensions | 10 × 10 × 10 in |
| Pump Mounting Flange | 2-Bolt Flange (SAE "A" size) |
| Manufacturer | Fluidyne Fluid Power |
| Pumps Drive Shaft | 3/4" Straight Shaft with Key |
| Pumps Rotation | Left-Hand (Counter-Clockwise) |
| Pumps Max Pressure | 2500 psi |
| Pumps Rated Speed | 1200 RPM |
| Pumps Max Speed | 4000 RPM |
| Pumps Displacement | 19.5 cm³/r (1.19 in³/r) |
| Pumps Ports In | G1" BSPP Straight Thread |
| Pumps Ports Out | G1/2" BSPP Straight Thread |
Compatibility & Applications
Direct Replacement Information
This Fluidyne unit serves as a direct replacement for Vickers WF825251 and is part of the well-established vane pumps family, also featured in our Vickers replacement pumps category in systems requiring 19.5 cm³/r (1.19 in³/r) displacement and up to 2500 PSI maximum pressure. It is part of the V2020 series, designed for reliable performance in demanding hydraulic applications. For those requiring a slightly different configuration, see the V20201F10S10S11AA30L model..
- Mounting Pattern: SAE ‘A’ 2-bolt
- Inlet Port: G1″ BSPP
- Outlet Port: G1/2″ BSPP
Common Applications
Commonly used in marine applications, stationary power units, and test stands. For additional real-world applications, see our V20 pump case studies.
- marine applications
- stationary power units
- test stands
Important: Verify pump model WF825251 matches your existing Vickers unit before ordering. For technical assistance, contact (800) 823-4937. Explore our full range of single stage vane pumps for additional options.
Purchasing Information
Availability & Delivery
Most hydraulic pumps ship within 1-2 business days. Made-to-order items typically require 5-7 business days.
For current availability on WF825251, 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, similar to protocols used on our V20201F13S11S1AA30L units.
Ordering Options
Order online for immediate processing, or view similar solutions such as the V201P13P3A11R V20 Pump for comparable applications. Phone orders welcome at (800) 823-4937.
Net 30 terms available for approved accounts.
Volume pricing available on orders of 4 or more units.
Support & Documentation
- Installation guide included with every shipment
- Technical drawings and specifications available
- Cross-reference guides for common brands
- Phone support: Monday-Friday, 7 AM – 5 PM MST
Questions? Call our specialists: (800) 823-4937
Product Selection Guide
These FluiDyne V2020 double vane pump models primarily differ in total flow rate, front/rear pump combinations, shaft type, port orientation, rotation, and maximum speed. For more technical details, see our complete hydraulic pumps resource. Each variation is designed to optimize performance for specific hydraulic system flow demands, porting layouts, and drive configurations while maintaining direct Vickers interchangeability and SAE mounting compatibility.
?? 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 |
|---|---|---|---|---|
| WF825251 (Current) | 9 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF825258 | 11 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF825257 | 12 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF825253 | 13 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF825252 | 6 | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
Key Differences
Total Flow Rate
Difference: WF825258 delivers the highest total flow (20.0 GPM), while WF825252 offers the lowest (12.0 GPM). WF825251 and WF825257 both provide 18.0 GPM, and WF825253 offers 14.0 GPM.
Selection Guide: Select WF825258 for systems requiring maximum flow, or WF825252 for precise low-flow circuits.
Front/Rear Pump Combinations
Difference: WF825258 (11/9 GPM), WF825257 (12/6 GPM), WF825251 (9/9 GPM), WF825253 (13/1 GPM), WF825252 (6/6 GPM).
Selection Guide: Choose models with balanced outputs (e.g., WF825251, WF825252) for dual circuits needing similar flows, or unbalanced (e.g., WF825257, WF825253) for Hi-Lo circuits with different flow requirements.
Maximum Speed
Difference: WF825252 supports the highest speed (3400 RPM), WF825253 is limited to 1800 RPM, and others range from 2400-2800 RPM.
Selection Guide: Use WF825252 for high-speed drive applications; avoid WF825253 in high-RPM systems.
Shaft Type
Difference: 13-tooth splined shafts on WF825251, WF825252, WF825257; straight keyed shafts on WF825258, WF825253.
Selection Guide: Opt for splined shafts in high-torque or splined-coupling applications.
Rotation
Difference: WF825251, WF825253, WF825252 are Left-Hand (CCW); WF825258, WF825257 are Right-Hand (CW).
Selection Guide: Select rotation to match your prime mover direction.
Port Orientation
Difference: WF825251: front outlet opposite, rear inline; WF825258/252: both outlets inline; WF825257: front 90° CCW, rear 90° CW; WF825253: both outlets opposite.
Selection Guide: Pick port orientation to best fit your piping layout—inline for straight-through; 90° or opposite for limited space.
Maximum Pressure
Difference: All models are rated to 2500 PSI.
Selection Guide: All are suitable for medium-pressure hydraulic systems.
Quick Selection Guide
If you need: Highest total flow (20.0 GPM) for large or multi-actuator systems
Choose: WF825258
Because: It offers the highest combined flow and a versatile 11/9 GPM split for dual circuits.
If you need: Balanced dual flows with moderate output (18.0 GPM total)
Choose: WF825251
Because: Provides two equal 9 GPM sections, ideal for systems running similar cylinders or loads.
If you need: High front flow with low rear flow (e.g., Hi-Lo circuit)
Choose: WF825253
Because: 13/1 GPM split supports rapid approach with a single high-flow/low-flow section.
If you need: High-speed operation (up to 3400 RPM)
Choose: WF825252
Because: This model supports the highest input RPM, useful for direct coupling to high-speed motors.
If you need: Asymmetric flows for sequential operations (e.g., fast approach/slow advance)
Choose: WF825257
Because: 12/6 GPM split accommodates circuits with varied flow needs.
Compatibility: All models use SAE ‘B’ 4-bolt flange mounting and 1-1/16″-12 UN-2B threaded outlets, supporting direct Vickers pump replacement and easy integration. Looking for a single section solution? Review our single stage vane pumps lineup.
For detailed selection support or application review, call (800) 823-4937, Mon-Fri, 7 AM – 5 PM MST. For more options, see our vane pumps category.
Fluidyne V2020 WF825251 Vane Pump | Replacement for Vickers/Eaton V2020-V20201F9S9S11AC30L 2.0 GPM | 2500 PSI | SAE ‘A’ 2-Bolt | 3/4″ Keyed Shaft
$822.80
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Expected delivery Oct 08 - Oct 14
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