Product category:
Valves and manifolds
News Release from: WahlcoMetroflex | Subject: Flex-Seat guillotine damper
Edited by the Processingtalk Editorial
Team on 05 January 2006
High-performance damper for 100% gas
isolation
WahlcoMetroflex announces the Flex-Seat guillotine damper for the isolation of gas flows in the most extreme operating conditions
WahlcoMetroflex, a worldwide leader in the design and manufacture of dampers, expansion joints and systems for isolating and controlling gas flows, announces the Flex-Seat guillotine damper for the isolation of gas flows in the most extreme operating conditions This fully bonneted guillotine damper provides high performance and simplified maintenance to meet the needs of combustion and hot gas systems of all kinds, including power plants, refineries, chemical plants, pulp and paper mills, metallurgical smelters, steel mills and incinerators
This article was originally published on Processingtalk on 27 Feb 2006 at 8.00am (UK)
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Self-cleaning and maintenance-free rack and pinion drives provide reliable blade transfer even under the most corrosive and debris-laden service conditions.
The rack and pinion drives positively propel the blade in both directions, eliminating the possibility of mechanical binding that often occurs with chain driven mechanisms.
The WahlcoMetroflex Flex-Seat guillotine damper achieves 100 percent isolation by utilising a complete system of complementary and redundant seals.
The perimeter seal consists of a resilient flexible metal seal covering a solid convex seating surface that provides a back-up seal.
The solid seat significantly extends the life of the flexible metal seal by limiting seal deflection to less than an eighth of an inch.
The Flex-Seat perimeter seals are self-cleaning and durable and do not have cavities that can fill up with debris.
Any ash or debris on the flexible seals readily springs off when the seals are engaged by the moving blade.
Tight-closing, self-cleaning throat seals are available in internally and externally replaceable configurations to facilitate replacement in hard to reach locations without scaffolding or special platforms.
The WahlcoMetroflex engineered blade consists of structural frame and reinforced metal membranes that minimise thermal distortion and provide superior sealing and operational performance compared to solid plate designs.
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