
Specialist Valves
Systems supplied by PTSA often include silos, hoppers, and other storage vessels. While these vessels are simple in design, the choice of instruments and devices fitted will often make the difference to whether the material floes or not. Dust management, flow promotion, level monitoring and a wide variety of isolation and metering valves are available.
Butterfly Valve
- Simple isolation valve for use with powders and granules
- Quick and easy to clean, ideal for those applications where hygiene, traceability and quality controls is paramount

Diverter Valve
- Offering repeatable and reliable metering of powders and granular type materials
- Heavy duty reliable design

Dome Valve
- Heavy duty design, ideal for abrasive materials, high temperatures and rugged environments
- Full bore material flow when open and can cut through a static column of material

Double Dosing Valve
- Offering high speed and precision dosing of powders and granules via the dual metering system
- Quick and easy to clean, ideal for those applications where hygiene, traceability and quality controls is paramount

Heavy Duty Rotary Valves
- Offering repeatable and reliable metering of powders and granular type materials.
- Heavy duty reliable design.

Posiflate Butterfly Valves
- Inflatable seat butterfly valve, ideal for quick actuation and long life
- Perfect for isolating against pressures from full vacuum to 10barG
