Page 21: of Maritime Reporter Magazine (February 1981)

Norris Metal-lined ANSI Rated Valve

Positive shutoff & long life in destructive

For handling hydrocarbons, corrosive media, and other difficult applications, specify Norris M285 (*) positive-shutoff butterfly valves. They meet or exceed

ANSI B16.5 pressure and temperature ratings for Class 150 flanges.

Disc O-ring seals against field-replaceable metal liner. Flowstream never touches the valve body; no costly high-alloy body needed.

Materials available:Metal discs&liners: Inconel,

Titanium, Monel, Stainless, Aluminum ^^

Bronze • DiscO-ring seals: Kalrez," fl^

Viton," Hypalon," Nordel," ECO, Buna N I XlCCDj • Bodies: Heat treated ductile iron or cast steel.

Bi-directional flow with no loss of flow effi- ciency. Upstream or downstream, flow coefficients for

Norris valves are the same. They are consistently higher than Cv's for conventional "high performance" valves with offset discs. • 285 psi wp with reserve strength to handle sudden differential pressure surges • 3 "-36" single-flange lug and wafer styles.

NORRIS

BUTTERFLY VALVES

FOR DETAILS

CALL GEORGE LITTLE 1-800-331-4468.

IN OKLAHOMA CALL 918/584-4241

CORPORATION NORRIS DIVISION P.O. Box 1739. Tulsa. Oklahoma 74101 *Pat. Applied For "Trademarks, E. I. Du Pont de Nemours & Company Inc.

February 1, 1981

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