Butterfly valve

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Emptying and sealing, container, hopper or silo closure containing powdered or granulated materials

Unloading and sealing, closing of containers, hoppers or silos containing materials in powder or granular in powder handling applications
From Ø 100 to Ø 400mm

Main advantages

  • High-pressure die-cast semi-bodies manufactured from aluminium alloy
  • Disc in cast iron, engineering polymer, stainless steel
  • Seals for standard or food-grade application
  • Small number of components
  • Lightweight and easy to handle
  • Interchangeable discs
  • Highly abrasion-resistant
  • Easy to fit
  • Quick maintenance
normes atex certified palamatic process



valve at the extremity of a screw conveyor to optimize the dosing valve under silo valve under silo feeding a screw conveyor butterfly valve butterfly valve


3 versions :

  • manual lever
  • pneumatic
  • gear motor actuator

The butterfly valves consist of two high-pressure die-cast semi-bodies manufactured from aluminium alloy, a swivel disc in SINT® polymer composite or cast iron, and a pre-stressed elastomer seal.

In the manual lever version, the valve comes with a top flange and a bottom section suitable for the attachment of a flexible sleeve. However, the butterfly valve with pneumatic or gear motor actuator have an identical top and bottom flange.


fda logo

Stainless steel disc

Version with stainless steel disc and an FDA-approved integral seal is available for the food industry


Manual lever

The butterfly valves can be fitted with a manual lever or a pneumatic or gear motor actuator


Interchangeable actuor systems

All the actuator systems are interchangeable

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Additional equipment