Dense-phase powder pump with pinch valve and pinch valve

A dense phase powder pump for conveying powder, wherein the dense phase powder pump comprises at least one powder conveying chamber having a filter element at least partially accommodated in a casing body and at least one pinch valve connected or connectable to an end region of the powder conveying chamber, wherein:

• the pinch valve comprises an at least partly tubular valve element, a peripheral wall thereof being able to be squeezed transversely to a longitudinal axis of the valve element in order to change the sectional area of flow, and further comprises an at least substantially tubular support structure in which the valve element is at least partially accommodated, wherein the support structure consists of a plurality of shell elements of arcuate cross section circumferentially aligned one after the other around the peripheral wall of the valve element and are radially positioned externally of the valve element relative to the longitudinal axis of the valve element,
• the dense phase powder pump further comprises a pinch valve housing arranged on the end region of the powder conveying chamber and detachably connected to the end region of the powder conveying chamber, and designed such that the pinch valve can at least in part be replaceably accommodated in the pinch valve housing, and
• the pinch valve housing has a first region for replaceable accommodation of the pinch valve and an oppositely disposed second region via which the pinch valve housing is connectable to and able to plug into the casing body of the powder conveying chamber.