AKO Pinch Valves: Building Materials and Bulk Solids
The building materials industry handles highly abrasive, hard-to-control bulk solids that easily settle or cake during transport and standstill and can block valves. AKO pinch valves counter this with a design that has virtually no dead space and prevents deposits, and with wear-resistant rubber sleeves that withstand even coarse, sharp-edged aggregates – noticeably extending service life and reducing maintenance intervals.
Typical applications
- Dosing and control of fresh concrete
- Handling of cement slurries
- Conveying of sand, gravel and aggregates
- Dosing of admixtures in ready-mixed concrete production
- Material transport in crushing and screening plants
- Sampling in washing and classifying plants
Recommended AKO series
- AKO VF (flange, DN40-300) – large nominal sizes, extremely robust for coarse bulk solids and rock
- AKO VMC (multi-connection, DN25-150) – suitable for concrete slurries and fibre-reinforced concrete
- AKO VMP (female thread, DN10-50, POM) – compact for precise admixture dosing in cement production
- AKO VFX (ATEX, DN40-300) – for areas at risk of dust explosion, e.g. with cement or rock dust
Case study
A ready-mixed concrete producer had difficulty sourcing suitable replacement sleeves for third-party valves and switched to AKO VMP series valves (DN25) for dosing chemical admixtures in cement production. The AKO rubber sleeves lasted considerably longer than before, noticeably reducing maintenance downtime and total operating costs.
More information from the manufacturer: AKO Armaturen – industries & applications ↗
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