Robert E Fetterman

US Patent:

8333329, Dec 18, 2012

Filed:

Jun 19, 2009

Appl. No.:

12/488024

Inventors:

Robert L. Fetterman - Lake City PA, US

Assignee:

SPX Corporation - Charlotte NC

International Classification:

G05D 23/13
B01D 47/06
B01F 5/04

US Classification:

236 1214, 261115, 261118, 137897

Abstract:

The present invention is directed to a desuperheater spraying valve assembly. More particularly, the invention provides a new and improved valve assembly, whereby cooling liquid may be controllably injected into a gas or a liquid stream, typically steam, to selectively maintain the gas or liquid at a predetermined temperature level. In a possible embodiment of the present invention, a class V valve assembly is disclosed. It comprises an actuator coupled to a plug with a valve seat in the proximity of said plug. The plug is affixed to an actuator rod which transverses the body of the valve assembly. A spray tube may be affixed to said valve seat and at least one spray nozzle is affixed to a to the spray tube. The plug and said valve seat are conical in shape as to when said plug is inserted into said valve, they form a seal.