Streamline coal slurry letdown valve

Details Streamline coal slurry letdown valve Streamline coal slurry letdown valve

1981-05-14

1983-11-08

Rosenthal, Arnold

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

251122, 251362, 251124, 13762537, 137375, F16K 112, F16K 4704

Patent

active

044136463

ABSTRACT:
A streamlined coal slurry letdown valve is featured which has a two-piece throat comprised of a seat and seat retainer. The two-piece design allows for easy assembly and disassembly of the valve. A novel cage holds the two-piece throat together during the high pressure letdown. The coal slurry letdown valve has long operating life as a result of its streamlined and erosion-resistance surfaces.

REFERENCES:
patent: 2227542 (1941-01-01), Grove
patent: 2915087 (1959-12-01), Kruschik
patent: 3767164 (1973-10-01), Robinson
patent: 3918471 (1975-11-01), Bedner
patent: 4047695 (1977-09-01), Cleveland et al.
"Easy-e Industrial Control Valves"-Fisher Controls Brochure Catalog No. E-195, Bulletin 51.1:010, Jul. 1972.

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