Drag ball valve including variable pressure reducing means

Details Drag ball valve including variable pressure reducing means Drag ball valve including variable pressure reducing means

1979-04-02

1981-06-09

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

251121, 251127, F16K 506, F16K 510

Patent

active

042718660

ABSTRACT:
A drag ball valve (10) that can variable regulate the pressure drop to which the fluid passing therethrough is subjected while maintaining the fluid velocity nearly constant is disclosed. To accomplish this, a series of fixed disks (34) having apertures (36) therein and rotatable disks (42) having apertures (44) with flange-like projections (46) therein are aligned so that either an unobstructed straight fluid passage through the apertures in both types of disks is created or the fluid is diverted by the flange-like projections (46) causing pressure reductions due to a variable number of flow direction turns. By varying the number of fixed disks (34) and rotatable disks (42) used, and by varying the number of rotatable disks (42) that are so aligned, any number of flow direction turns and associated pressure drops from zero pressure drops to the total number of rotatable disks (42) used can be achieved.

REFERENCES:
patent: 1697481 (1929-01-01), Sloan
patent: 1752836 (1930-04-01), Conran
patent: 3359999 (1967-12-01), Mueller
patent: 3630229 (1971-12-01), Nagel

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