Dome Valve®

Dome Valve®

Originally patented in the late 1970’s, the Dome Valve® is unique in its ability to open and close with a tight pressure seal in pneumatic conveying systems for abrasive materials. No other valve can achieve as long of a life in harsh environments like the Dome Valve®. We are the original designers and patent holders of the Dome Valve®.

dome valve

Pressure Valves – The Dome Valve®:

  • Pressure – up to 14 barg (200 psi)
  • Design code – ASME sect. VIII Div. 1; PED; GB150
  • Sizes – 50 – 750 mm (2 – 30 in)
  • Material – Iron, Carbon Steel, Stainless Steel
  • Temperature – up to 350 ° C (662 ° F)

Key Features:

  • Inflatable seal self-compensates for wear as the valve is used.
  • Valve can open and close through a static or moving column of material.
  • Low-maintenance. Replacement time is quick.
  • Temperature capabilities
  • Cast or stainless construction available. Teflon®, tungsten carbide or other coatings available depending on customer need.

Learn more at 

Cut-Away View

This cut-away view reveals the inner workings of the Dome Valve® including the inflatable seal. The soft seating feature allows the Dome Valve® to operate reliably and repeatedly in harsh, abrasive environments.

View info sheets:

Dome Valve® PHO PHV

Dome Valve® PH1 PH2

dome valve