Streamline coal slurry letdown valve

Details Streamline coal slurry letdown valve Streamline coal slurry letdown valve

G - Physics

05

D

137/137, 299/22

G05D 7/00 (2006.01) F16K 1/42 (2006.01) F16K 25/04 (2006.01) F16K 27/02 (2006.01)

Patent

CA 1170958

ABSTRACT OF THE DISCLOSURE A streamlined coal slurry letdown valve (10) is featured which has a two-piece throat comprised of a seat (19) and seat retainer (20). The two-piece design allows for easy assembly and disassembly of the valve. A novel cage (30) holds the two-piece throat together during the high pressure letdown. The coal slurry let- down valve has long operating life as a result of its streamlined and erosion-resistance surfaces.

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