A double butterfly valve and a chamber system for difference-free feeding or exhaust of bulk materials to or from high or low pressure areas. Also suitable for abrasive materials. Maximum differential pressure up to 10 bar.
Available as a complete unit ready for installation, with optional heating (double skin design), an intelligent sequential control system for gas cut-off, assembly. Typical installations: extraction of products at outlets of cyclones, vacuum dryers or dust filters, in dust hazardous areas, etc.,
Nominal diameters: DN 50 to DN 1200, PN6 – PN 16,
Differential pressure of up to a maximum of 10 bar (depending on DN),