Instructions, User Manuals & Advice

If you are wanting to know how many full strokes of our MK4 PCP Pump will be required to fill your air gun cylinder we have devised the following formula for you to use:

This formula calculates the approximate number of full strokes of our MK4 pump at any point.

The pressure should be expressed in BAR (1 BAR = 14.508 PSI) and capacity in Litres (L).

(End Pressure - Starting Pressure) x Cylinder Capacity / 0.225 = Number of Strokes.