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Fast-Opening Closure suits pressure vessels.

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Fast-Opening Closure suits pressure vessels.
Fast-Opening Closure suits pressure vessels.
March 24, 2006 - Measuring more than 15 ft in dia, RapidoorŪ accommodates heavy-duty tires used on off-highway and earthmoving and mining equipment. Closure has ID of 182 in. with 36 in. straight skirt to fit on 10 ft long rubber vulcanizer. Operating on horizontal side swing, left-hand hinge Rapidoor weighs 33,000 lb, but will open or close in less than 30 sec. Wedge-lock, breach action closure features locking ring that provides immediate, positive seal when rotating into locking position.

WSF Industries Develops 15-ft. Diameter Rapidoor® Fast-Opening Closure for Specialized Pressure Vessel

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

WSF Industries, Inc.
P.O. Box 400-A/Kenmore Branch
Buffalo, NY, 14217

Press release date: March 22, 2006

(March 2006) - A RapidoorŪ measuring more than 15-feet in diameter was designed and manufactured by WSF Industries, Inc., Buffalo, New York, to provide a fast-opening closure for pressure vessels used by a Canadian manufacturer vulcanizing rubber. The extra-large diameter accommodates heavy-duty tires up to nearly 15-ft. diameter used on off-highway and earth moving and mining equipment.

The new Rapidoor closure has an inner diameter of 182" (15-ft., 2") with a 36" (3-ft.) straight skirt to fit on a 10-ft. long rubber vulcanizer. Operating on a horizontal side swing, left-hand hinge, the new Rapidoor weighs approximately 33,000 lbs., but will open or close in less than 30 seconds. A wedge-lock, breach action closure, Rapidoor features a locking ring that provides an immediate, positive seal when rotating into the locking position, WSF states.

The tire manufacturer operates the vessel at an internal pressure of 110 psig at 350°F maximum/20°F minimum temperatures. The Rapidoor closure was fabricated in accordance with ASME Code Section VII Division 1, and other codes registered with the Province of Ontario.

For more information, contact WSF Industries, Inc. P.O. Box 400, Buffalo, NY 14217. Phone: 716-692-4930. Fax: 716-692-4135. Toll-Free: 1-800-874-8265. E-mail: URL: For specific product information, visit:

Please address reader service inquiries at the above address to: John Hettrick, CEO, WSF Industries, Inc.
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