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Cracking the Code of Vickers Vane Pumps

Vickers Vane Pumps, Hydraulic Pump Replacement,

Of the three primary hydraulic pump types — gear, vane, and piston — vane pumps offer flexibility in application, long life, quiet performance, and lower maintenance costs. Whether it’s time for repair or replacement, understanding old Vickers vane pump identification can save time and expense.

Originally developed nearly a century ago, the vane pump is a positive displacement device that uses centrifugal force on rotating vanes combined with under-vane pressure from the outlet port to cause the vanes to follow the elliptical inner surface of the cam ring.

Replaceable Cartridge

Vane pumps also benefit from the ease of service. At Panagon Systems, we have found that most can be restored to a like-new performance by replacing just the vane cartridge kit without having to remove the unit from the application.

Once we finish the old Vickers vane pump identification, we can determine how best to service the equipment. For V10 and V20 models, the rotation of the pump can easily be reversed by opening the cover, removing the pressure plate and spring and flipping the cam ring.  We can also assess other performance issues that may be present.

As tribute to their durability, we have found that many early model pumps are still in service. Although sometimes we must examine a unit closely to find the model code, once Vickers vane pump identification is completed, we can learn everything needed for pump repair or replacement and evaluate if that model is still the right choice for the job.

Pump Identification Codes

With the model code, a quick search can locate the code sheet for that unit and with it the specs for everything from fluid flow rate to connector types and mounting orientation.

In general, with old Vickers vane pump identification,  the V10 and V20 series are indicated at the second and third positions of the model code. Look for F3 code in the first position because it indicates the use of special O-rings or seals. However, an F3 code in the first position may be omitted if not required on that pump. In that case, the pump model should appear in the first position.

The second and third positions of the model code also designate the double pumps in the V2010 and V2020 series, with the same caveat for an F3 code in the first position. After that, the fourth position indicates the cover type, the fifth is the mounting type, and the sixth the mounting position of the foot bracket.

Further old Vickers vane pump identification reveals that with the V10 and V20 series, the seventh position indicates the rated ring capacity while on the V2010 and V2020, the seventh position designates a four-bolt flange at the inlet port. Also note that the eighth position on the V10 designates the size and thread type for outlet port connections, while the eighth position on the V20 model code indicates shaft type.

Other Applications

For mobile applications, look for a VTM and model number in the first and second positions. High-speed, high-pressure pumps are indicated by VQ after the model number.

Similar to earlier V10 and V20 models, the V series pumps are designated with the model number before the letter. On single pump models, higher numbers generally indicate greater displacement.

The Vickers V series double pumps, from 2520V through 4535V, and the thru-drive pump series, 25VT through 45VT, are selected for use in tight spaces or when a reduction in the number of motors and drive extensions is required.

Vickers vane pump identification also reveals the latest line-up from Eaton Vickers. The VMQ-series single and thru-drive pumps are designated VMQ1, double pumps are VMQ2 and triple pumps are VMQ3.

Once you crack the code, the answers to Vickers pumps and their parts are easy to find.

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