• Pneumatic valve for grain

  • Helmet valve, pneumatically actuated

  • Valve under chain conveyor

  • Pneumatic valve under chain conveyor

  • Helmet valves for mash dosing

  • Double-valves under bins for raw material dosing

  • Manually operated valve on chain conveyor

  • Double-valve on grain circuit

  • Wheel operated valve under grain silos


Our wide range can meet numerous needs such as:

  • Valves under cells
  • Helmets valves under cells
  • No retention valves under chain conveyor
  • Standards valves under chain conveyor
  • valves on vertical walls

Almost all of our valves can be supplied with:

  • Manual control with wheel or chain sprocket wheel
  • Pneumatic controlon board distributor
  • Electric drive with overload cluch

The opening-closing detection is carried out by two inductive sensors.


STOLZ valves are part of our range of equipment for gravity handling which enable the design of complete systems fot flow directiongranular or powdery products, in round or square sections.

A wide range of equipment slows down, recentes , levels , limits the damages to the conveying product.

STOLZ valves are designed to isolate different product circuits.


All our equipment is in conformity with the Machinery Directive 2006/42/EC and can be supplied in compliance with ATEX 94/9/EC Directive for areas 22 or 21.

Implantation of a valve in the circuit


Set-up rules of the valves are the same as those applicable to piping (including for valves marking).

For valves under chain conveyor, do not forget to specify the direction of assembly of valves and the location of the steering wheel by referring to the diagramas shown beside.



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Jul 10, 2018

Brochure about valves