Blackmer: New Sliding Vane Pump Models

NPH pump
NPH pump

The NPH and XH series complete the NP and X series of these pump families. The new feature of both series allows the user to choose between 90- and 180-degree porting.

The XH pumps are designed to handle a wide range of non-corrosive and non-abrasive industrial liquids and petroleum products The NPH pumps are built for handling viscous or shear-sensitive fluids. Both models are available in 2”, 2.5”, 3” and 4” (51 mm, 64 mm, 76 mm and 102 mm) sizes.

As a standard both series include

  • an internal relief valve that protects against excessive pressures;
  • a smaller motor for less operational costs;
  • high volumetric efficiency;
  • symmetrical bearing support for extended life;
  • high suction-lift capability that makes them suitable for pumping from underground tanks, bulk-plant service and aircraft refueling;
  • self-priming and dry-run capability.


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