XL Series Sliding Vane Pumps

Blackmer® – part of PSG®, a Dover company logo
Designed for use in refineries, lube oil plants, and general industry for processing, filling and transfer applications, the shock-resistant, ductile iron XL Sliding Vane Pumps are available in five sizes ranging from 1-1/4 to 4-in. All models are fitted with replaceable vanes, liners and end discs that allow easy rebuilding of the vane pump to like new condition, without removing the pump from the piping. These vane pumps are built to handle a wide variety of corrosive or caustic fluids.


Albany is a force to reckon with in the design and manufacture of high-quality positive displacement pumps, gear pumps, lobe pumps, and screw pumps. Albany is a force to reckon with in the design and manufacture of high-quality positive displacement pumps, gear pumps, lobe pumps, and screw pumps.

Design Advantages

  • Ductile-iron construction with internal relief valve
  • Blackmer mechanical seal and ball-bearing construction provide maximum reliability
  • Symmetrical bearing support assures even loading and wear for long life
  • Adjustable relief valve protects the pump against excessive pressures
  • Excellent self-priming and dry-run capabilities 
  • Sustained performance and trouble-free operation 
  • High suction lift and line-stripping capabilities 
  • Easy to maintain – low maintenance and life cycle costs 

Available Options

We customise pumps according to your application requirements. Contact us to know more about your options.

  • Vane material options
  • Sealing options
  • Elastomer options
  • Material options
  • Connection options
  • Porting options
  • Mounting/baseplates
  • Maintenance kits/spare parts

Key Specifications

  • Flow rates from 132 - 1306 L/min
  • Differential pressures up to 10.3 bar
  • Working pressures up to 24.1 bar
  • Viscosities up to 0.2 - 4,250 cP


  • Refinery applications
  • Lube oil plants
  • General industry
  • Processing applications
  • Filling applications
  • Transfer applications
XL High-Speed Sliding Vane PumpsXL 2-4 Inch Sliding Vane Pumps
Flow rateUp to 132 L/minUp to 1306 L/min
Differential pressure10.3 bar10.3 bar
Max working pressure24.1 bar24.1 bar
Viscosity0.2 - 4,250 cP0.2 – 4,250 cP


Blackmer sliding vane pumps use a rotor with sliding vanes to draw liquid into the pump. This rotor is located close to the wall of the cam so that a crescent-shaped cavity is formed on the opposite wall. Each rotor slot contains a sliding vane. As the rotor rotates, centrifugal force, hydraulic pressure, and push rods work together to extend each vane to the casing wall. This creates an expanding cavity on the inlet side – creating a vacuum that pulls liquid into the pump. The liquid is trapped between the vanes and the casing wall. The rotor rotation moves the liquid cavities around to the outlet side of the pump. The vanes are forced back into their slots at the outlet side, decreasing the cavity size and forcing the liquid through the outlet port. Because the vanes run in contact with the casing wall, vane pumps are commonly used in thin liquid applications.

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