Carolina Material Technologies
Carolina Material Technologies - Bulk Material Handling Solutions
Charlotte, NC 704-846-3737
Double Dump Valves

Double Dump Valves

The Double Dump valve is often used in replacing rotary airlocks.  The valve consists of two flaps connected by counterweights or spring-loaded spindles, which are operated by means of a motor driven cam. The cam alternately opens each flap allowing materials to pass through the separate chambers in batch form and thereby ensuring a gas seal.  Suitable for discharge dry dust, powder, granules and fibrous materials from cyclones, filters and hoppers.

Double Dump Valve
  • Feed devices for low-pressure applications on fibrous, large particle and/or very abrasive products where rotary airlocks would typically jam and/or suffer intolerable wear. 
  • Maximum pressure differential is normally 20” Wg,
  • Maximum temperature is in excess of 1,000 F. 
  • Ideal on the bottom of dust collectors or gravity feed hoppers. 
  • Consist of two flaps connected by counterweights or spring loaded spindles, which are operated by a motor driven cam. 
  • The cam alternately opens and closes each flap, allowing material to pass through the separate chambers in batch form and insuring a gas seal.
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