(800) 823-4937
sales@northernhydraulics.net
| Weight | 18.0 lbs |
|---|---|
| Dimensions | 5 × 5 × 5 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 | Right-Hand (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 |
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 WF820852, 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. 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 or view our full selection of hydraulic pumps for additional options.
Product Selection Guide
These vane pumps from the FluiDyne V20 Series are all direct Vickers replacements, varying primarily in flow rate, displacement, shaft style, rotation, and port orientation. All models share SAE ‘A’ 2-bolt flange mounting and are rated up to 2500 PSI, making them fully interchangeable for most single stage vane pump applications requiring this size and pressure class.
?? 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 |
|---|---|---|---|---|
| WF820852 (Current) | 6.2 GPM | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF820858 | 9.4 GPM | 2500 PSI | 29.7 cm³/r (1.81 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF820850 | 6.2 GPM | 2500 PSI | 19.5 cm³/r (1.19 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF8201811 – see V201P13P39C11R – FluiDyne V20 Pump | 13.5 GPM | 2500 PSI | 42.6 cm³/r (2.60 in³/r) | 2-Bolt Flange (SAE “A” size) |
| WF8201212 – similar to V201P13P40C11R – FluiDyne V20 Pump | 13.5 GPM | 2500 PSI | 42.6 cm³/r (2.60 in³/r) | 2-Bolt Flange (SAE “A” size) |
Key Differences
Flow Rate & Displacement
Difference: WF820852 delivers 7 GPM (1.39 in³/rev), WF820858 and WF820850 deliver 9 GPM (1.81 in³/rev), WF8201811 and WF8201212 deliver 13 GPM (2.59 in³/rev)
Selection Guide: Select higher GPM/displacement models (WF8201811, WF8201212) for systems demanding faster actuator speeds or larger volume movement.
Shaft Style & Size
Difference: WF820852, WF820858, WF8201811: 3/4″ straight keyed shaft; WF8201212: 7/8″ threaded shaft with Woodruff key; WF820850: 11-tooth splined shaft
Selection Guide: Choose straight keyed shafts for standard couplings, splined for high-torque or heavy-duty, and threaded for specific legacy mounts.
Rotation Direction
Difference: WF820852, WF8201811, WF8201212 are right-hand (clockwise); WF820858, WF820850 are left-hand (counter-clockwise)
Selection Guide: Match the pump rotation to your drive motor or power source—incorrect rotation can cause immediate failure.
Port Position
Difference: WF820852, WF8201212: outlet opposite inlet (180°); WF820858, WF8201811: inline (0°); WF820850: 90° clockwise from inlet
Selection Guide: Select port orientation based on existing piping layout—inline for straight-through, 90° for tight or corner installations, 180° for opposite-side connections.
Flow Control & Relief Valve
Difference: WF820850 includes flow control (6 GPM) and a 2000 PSI relief valve; others are standard covers
Selection Guide: Choose WF820850 when integrated flow regulation and pressure relief are needed at the pump.
Max Speed
Difference: WF820852: 3000 RPM; WF820858, WF820850: 2800 RPM; WF8201811, WF8201212: 2400 RPM
Selection Guide: Higher RPM models are suitable for high-speed drives; check your system’s max speed requirement.
Quick Selection Guide
If you need: A compact, standard right-hand pump for moderate flow (7 GPM), highest speed (3000 RPM), and straightforward mounting
Choose: WF820852
Because: It offers the lowest flow for precise, smaller circuits and the highest allowable speed.
If you need: Left-hand rotation with higher flow (9 GPM) and inline ports for simple piping
Choose: WF820858
Because: Ideal for reverse-rotation drives and setups requiring straight-through connections.
If you need: Integrated flow control and relief with left-hand rotation (6 GPM flow control, 2000 PSI relief)—see additional pumps with integral valves.
Choose: WF820850
Because: Perfect for circuits needing built-in pressure/flow protection at the pump.
If you need: Maximum flow (13 GPM) with right-hand rotation and inline ports, and standard keyed shaft
Choose: WF8201811
Because: Best for high-volume systems and straightforward shaft coupling.
If you need: Maximum flow (13 GPM) with right-hand rotation and opposite-side ports, plus a threaded shaft
Choose: WF8201212
Because: Best choice for legacy systems needing a threaded shaft and opposite porting.
Compatibility: All models are 100% interchangeable with Vickers replacement pumps, use SAE ‘A’ 2-bolt mounting, and support G1″/G1/2″ BSPP straight-thread ports for easy retrofitting. Pressure ratings up to 2500 PSI ensure suitability for most industrial hydraulic systems.
For similar displacement needs, review V201P5P18C11R – FluiDyne V20 Pump (1.10 in³/r) applications.
For detailed pump selection, application engineering, or troubleshooting, Northern Hydraulics’ team is available Mon-Fri, 7 AM – 5 PM MST at (800) 823-4937.
Compatibility & Applications
Explore our complete range of vane pumps for more direct replacements and application flexibility.
Direct Replacement Information
The Fluidyne WF820852 directly replaces Vickers WF820852 pumps in systems requiring 19.5 cm³/r (1.19 in³/r) displacement and up to 2500 PSI. This model delivers reliable hydraulic performance and is 100% interchangeable with the original Vickers design..
- Mounting Pattern: SAE ‘A’ 2-bolt
- Inlet Port: G1″ BSPP
- Outlet Port: G1/2″ BSPP
See real-world examples of single stage vane pumps in action across a variety of hydraulic systems.
Common Applications
Commonly used in mobile hydraulics, auxiliary power units, compact equipment.
- mobile hydraulics
- auxiliary power units
- compact equipment
Important: Verify pump model WF820852 matches your existing Vickers unit before ordering. For technical assistance, contact (800) 823-4937 or browse our Vickers replacement pumps for detailed cross-reference guides.
Fluidyne V20 WF820852 Vane Pump | Replacement for Vickers/Eaton V201P7S1A11R 2.0 GPM | 2500 PSI | SAE ‘A’ 2-Bolt | 3/4″ Keyed Shaft
$299.20
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Expected delivery Oct 14 - Oct 20
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