Description: 2nd level of a 3-level supplier-specific product hierarchy; Name: product family of supplier
Description: 2nd level of a 3 level supplier specific product hierarchy; Name: Supplier product family
Description: average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed); Name: piston velocity