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.
KNOW MORE ABOUT BLACKMER XL SERIES SLIDING VANE PUMPS
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
We customise pumps according to your application requirements. Contact us to know more about your options.
Vane material options
Maintenance kits/spare parts
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
Lube oil plants
XL High-Speed Sliding Vane Pumps
XL 2-4 Inch Sliding Vane Pumps
Up to 132 L/min
Up to 1306 L/min
Max working pressure
0.2 - 4,250 cP
0.2 – 4,250 cP
PRINCIPLE OF OPERATION
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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