Description: mean velocity, which is the stroke length multiplied by the number of complete pumping cycles of the piston, plunger or lifting rod connected to the diaphragm per minute (strokes per minute or pump crankshaft speed); Name: piston speed
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
Description: Allocation of explosion-protected electrical operating media according to their maximum surface temperature for use in explosion-capable atmosphere in accordance with (IEC 50(426):1990; Name: Explosion protection temperature class of the electric motor