Asahi Butterfly valve

Robust shut-off valve for sophisticated applications

FRANK Absperrklappe Typ 57_PP/PVDF/FKM-Fzoom

Butterfly valves are characterized by their short overall length.

FRANK plastic butterfly valves are robust valves for extremely sophisticated applications. They are corrosion resistant and easy to handle thanks to the top flange dimensions being in line with DIN EN ISO 5211 for automation and thanks to their relatively low weight.
Our butterfly valves are available with a lever which can be locked in 5° increments or with a corrosion proof plastic gear unit.


A wide aray of housing- and sealing material allow a selection of the optimum configuration for the respective application.

For all available nominal diameteres, our butterfly valves also come with pneumatic and electrical acutators.

  • Nominal diameter: DN 40 - DN 1200
  • Housing made of: PVC-U, PP, PVDF,
  • Disc made of: PVC-U, PP, PVDF
  • Gasket made of: EPDM, CSM, FKM, FKM-F

Butterfly valve lug type 57L

We also supply butterfly valves lug style made of plastic with lug-insert made of stainless steel. The lug style valve enables easy and uncomplicated maintenance on reservoirs, tanks and pipe systems without extensive emptying and at existing operating pressure.

  • Nominal diameter: DN 80 - DN 250
  • Housing made of: PDCPD
  • Disc made of: PP, PVDF
  • Gasket made of: EPDM, FKM, FKM-F
FRANK Endabsperrklappe Typ 57L mit Getriebezoom

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Butterfly valves:

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Since 1965

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