GB/T 7785-2013Classification and vocabulary for reciprocating pump (English PDF)

2.1 Reciprocating pump

Reciprocating pump is used to change the volume of the working chamber through the working chamber element (piston, piston, diaphragm, bellows, etc.) reciprocating displacement, so that

A mechanical fluid is delivered by the determined flow rate discharged. Reciprocating displacement element of energy from various prime mover. Working chamber inlet and outlet

Port and with the atmosphere of the site, by the isolation element is controlled.

3.1 Press the piston (plunger) number of points

3.1.1 Single pumps simplexpump

Only one or the equivalent of a plunger (piston) pumps.

3.1.2 Double pump duplexpump

There are two or equivalent to two pistons (piston) pumps.

3.1.3 Triple pump triplexpump

There are three or the equivalent of three pistons (piston) pumps.

3.1.4 Multiple pumps

There are four or more, or the equivalent of more than four pump piston (plunger) of. The number of multiple pumps can also be the actual piston (plunger) were named

Quadruple pump (quadruplexpump), five of the pump (quintuplexpump), six of the pump (sextuplexpump), seven of the pump (septuplex pump), nine of the pump (nonuplexpump).

3.2 according to the principle and structural characteristics of the fluid end points

3.2.1 Piston pump

A seal of the pump working chamber to do a linear reciprocating displacement components.

3.2.2 Piston plungerpump

No seals on the working chamber to do a linear reciprocating displacement components, but not on the movable member has a seal pump.