Steam control valve

Details Steam control valve Steam control valve

1987-05-14

1988-08-30

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762537, 251282, 251319, F16K 4702, F16K 4714

Patent

active

047669322

ABSTRACT:
A steam flow control valve for controlling large fluid flow rates, the valve having a reduced response to vibrational excitations experienced during throttling. A valve stem extending outward from the valve body and connected in the valve to a valve plug is guided by a substantially rigid cylindrical bushing extending substantially through the valve body. The bushing has an inner surface for guiding movement of the valve stem and an outer surface for guiding movement of the valve plug. The plug includes an inner annular guide ring about an upper edge for sliding along the outer surface of the bushing and limiting transverse motion.

REFERENCES:
patent: 2059991 (1936-11-01), Goering
patent: 3602261 (1971-08-01), Brown et al.
patent: 3857542 (1974-12-01), Heymann
patent: 4500070 (1985-02-01), Riollet et al.
patent: 4679769 (1987-07-01), Dawawala

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