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Why AKO pinch valves?

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Pinch valves control the transport of PVC powder

A company that specialises in the production of PVC tiles has been successfully using pinch valves from the VF series from AKO Armaturen for more than 15 years. The DN 100 valves are used to control the flow of the base materials.

Amongst other things, powder-based polyvinyl chloride, which is processed with various different additives into laminate film, is required to produce PVC tiles. In the next stage, five layers of the finished laminate film is then stuck together to form a stable surface and then stored on rollers. During the final processing stage, the laminate film is cut into squares and sold on the market as PVC floor tiles.


Does your company work in the plastic processing industry?
We would be pleased to show you the possibilities offered by our valves for your application!

 

The company has used pinch valves from AKO Armaturen for more than 15 years. They were already installed by the constructor of the plant and have since been an integral part of the production processes.

The internal sleeve made out of natural rubber with special anti-abrasive properties only needs to be replaced due to wear every three years at this plant (despite 24-hour operation). The other valve components can be reused – it is thus not necessary to completely replace the valve.

Pinch valves from AKO in the production of PVC tiles
VF100.03X.31.30L pinch valves control the components in the production of PVC tiles

Requirements:

  • A valve that is resistant to polyvinyl chloride & talcum powder.
  • The valve must be able to operate 24 hours a day.

Goals achieved:

  • The valve was fitted with a sleeve made out of natural rubber that is resistant to polyvinyl chloride & talcum powder.
  • The pinch valves can be operated 24 hours a day and nevertheless have a service life of three years. No maintenance-related downtimes due to the installed pinch valves are expected during this period.

Medium:
PVC powder
(sometimes also talcum powder)

Processing temperature:
Ambient temperature

Opening and closing cycles:
16 per day
(24-hour operation)

Operating pressure:
< 1 bar

Control pressure:
4 bar
(possible to reduce to 3 bar)

Experience with pinch valves:
More than 15 years

Valve configuration:
Nominal size: DN 100
Series: VF
Housing: Aluminium
Connections: Flange, aluminium
Sleeve: Natural rubber (abrasion-resistant)

Valve designation:
VF100.03X.31.30LA

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10 000 pinch valve variants

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100 000 units sold each year

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