Why AKO pinch valves?

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Pinch valves control the transport of additives for the production of ready-mixed concrete

Pinch valves from the VMP series from AKO Armaturen have successfully replaced pinch valves from another manufacturer, shortened the maintenance intervals for the system, reduced the costs for spare parts and minimised the system downtimes thanks to the longer service life of the sleeves in the pinch valves.

A manufacturer of ready-mixed concrete has been successfully using DN 25 pinch valves from the VMP series since 2008 to control the mixing of additives for the production of cement. Pinch valves from other manufacturers were also an integral part of the production process before 2008. As it was proving extremely difficult to purchase replacement sleeves for the previously installed pinch valves, the company was searching for an alternative manufacturer and came across AKO Armaturen.

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Switching over to pinch valves from AKO Armaturen proved to be a very good decision by the concrete company after a relatively short period of time because they noticed that the service lives of the rubber sleeves installed by AKO far exceeded those supplied by the previous manufacturer and it was thus possible to reduce the maintenance-related downtimes at the plant and also the TCO (total cost of ownership) of the installed pinch valves.

Pinch valves from the VMP series are used to dose additives for ready-mixed concrete
VMP pinch valves control the supply of additives for ready-mixed concrete
VMP025.03XK.72 pinch valve controls the additives for ready-mixed concrete


  • Lowering the TCO.
  • Reducing downtimes due to maintenance.

Goals achieved:

  • The purchase costs for valves & spare parts has been reduced.
  • Longer service life of the installed sleeves compared to the previous manufacturer.
  • Reduction in the downtimes due to reliable operation.

Chemical additives (e.g. sulfonated lignin)

Processing temperature:
Ambient temperature

Normal position:

Opening and closing cycles:
Approx. 50 - 80 per day

Valve configuration:
Nominal size: DN 25
Series: VMP
Housing: POM-C injection moulded (black)
Connections: POM-C injection moulded (black)
Sleeve: Natural rubber

Valve designation:

Global market leader

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< 0.2%complaint rate

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Widest pinch valve product range

10 000pinch valve variants

2 500variants available ex stock

100 000units sold each year

Extensive service activities

80CAD formats

32assembly & animation videos

16multilingual documentation