pompe à commande mécanique

Désignations

Codes : pays ou zone où la désignation a cours (CH, FR, DE, EU = Union européenne, INT = usage international). Une désignation barrée est déconseillée.

Définitions

anglais

A reciprocating pump for circulating drilling fluids, ... operated through cranks and connecting rods by power supplied to its crankshaft from an electric motor or internal-combustion engine. It is usually a duplex - that is, it has two cylinders - but it may be a triplex arrangement having three fluid cylinders. Most mud pumps have double-acting pistons, but some have single-acting pistons that function as plungers.