Steam throttle valve

Details Steam throttle valve Steam throttle valve

1980-06-10

1983-01-04

Spiegel, H. Jay

Fluid handling

With heating or cooling of the system

137896, 366165, F16K 4900

Patent

active

043668330

ABSTRACT:
The steam throttle valve has water injection ducts disposed about the valve axis. The ducts are situated between two abutting flanges of a valve cage and a valve spindle guide. The ducts are in the form of grooves in the flange while the adjacent peripheral surface of the flange is plain. The valve cage forms a replaceable wearing component and the configuration of the water injection ducts avoids thermal stress cracks in the duct zone.

REFERENCES:
patent: 3228603 (1966-01-01), Norman
patent: 3243157 (1966-03-01), Beck
patent: 3298389 (1967-01-01), Freeman
patent: 3964516 (1976-06-01), Purton et al.
patent: 4043766 (1977-08-01), Gernhardt et al.

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