Additive injection valve

Details Additive injection valve Additive injection valve

1980-01-25

1981-08-04

Nilson, Robert G.

Agitating

Having specified feed means

Liquid injector within mixing chamber

1372437, 137340, 137605, 137897, 141105, 251145, 366338, F16K 102

Patent

active

042819350

ABSTRACT:
A valve for adding ingredients to or sampling the fluid flowing through the valve includes an adjustable solid stem which can be extended through the flow path of a pipeline to form a seal with a seat positioned directly opposite the stem. An injection nozzle is fitted into the seat to permit addition of ingredients or sampling of the fluid when the stem is retracted from the seat. When the stem is seated, flow still occurs in the flow path.

REFERENCES:
patent: 582507 (1897-05-01), Marchaut
patent: 1489990 (1924-04-01), Donohoe
patent: 2177265 (1939-10-01), Rath
patent: 3371680 (1968-03-01), Alcorn
patent: 3470912 (1969-10-01), Bydal
patent: 3664638 (1972-05-01), Grout
patent: 3716346 (1973-02-01), Greene
patent: 4026324 (1977-05-01), King
patent: 4195654 (1980-04-01), Coley

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