GAS DISTRIBUTION DEVICES
Internal elements in the transition or ductwork to produce the desired velocity contour at the inlet and outlet face of the precipitator, such as perforated plates.
Formed by two adjacent rows of collecting surfaces; measured from collecting surface centerline to collecting surface centerline.
Material inserted between two contact surfaces to ensure a air-tight or fluid-tight seal.
Thickness of steel used to manufacture filter vessels, tubesheets, retainer wires, etc.
Woven fabric of the fiberglass family. Normally used in high heat conditions.
A smooth, shiny surface applied with a hot roller on felted fabrics for the purpose of enhanced dustcake release (eggshell finish).
Gallons Per Minute.
Weight unit of measure where one pound equals 7000 grains.
The amount of particulate by weight in a given volume of air. (Grains/Cu. Ft.); 1 lb. = 7,000 grains.
GREIGE (GREY, GREIGE, GRAY) GOODS
Cloth, regardless of color, that has been woven in a loom, but has received no dry or wet finishing operations.
The addition of a copper or steel wire mesh in or on the seam to carry away any static buildup on the fabric to prevent possible fires.