with their seats,
# stuffing box (only in double-acting pumps),
# gland (only in double-acting pumps),
# pulsation damper.

Performance parameters

There are two main parameters to measure the performance of a mud pump: displacement and pressure.

Displacement

Displacement is calculated as discharged liters per minute. It is related to the drilling hole diameter and the return speed of drilling fluid from the bottom of the hole, i.e. the larger the diameter of

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