rectangular flue rubber bellows compensator
Rubber flue corrugated compensator Arch-Type Duct Connectors: The least economical of the integrally flanged designs, the rubber flue corrugated compensator is used for applications where movements are large and face-to-face space is a premium .The duct connector is manufactured in an Arch-Design configuration with a minimum of one (1) to two (2) plies of reinforced fabric vulcanized into a homogeneous product that is 3/1/6", 1/4" or 3/8" thick. The flanges shall be an integral part of the expansion joint. It is manufactured with a premolded arch. The arch continues through the corner and straight sections and shall be fully developed when in the neutral installation position.System Design Considerations: In designing the rubber flue corrugated compensator , several considerations must be taken into account to ensure long lasting service.
System Media: The designer and/or requesting party should define the system media to determine the correct elastomer for each application. Evaluation of the gas/air composition should be made during design of the non-metallic fan/duct connector. Abrasion characteristics and external environment conditions should also be taken into account when specifying the fabric element.
System Temperature: The system operating temperature is of primary importance to the design of a non-metallic fan/duct connector, although the system design is generally
specified. It is important to distinguish between operating and design as “design” can include a significant safety factor which may result in an upgraded material or design selection.
System Pressure: Normal operating pressures and maximum pressures (positive and negative) under upset conditions should be specified. Combinations of pressures and temperatures should be specifically identified.
Movements: Movements consist of thermal growth resulting from both operating and upset conditions. Individual movements resulting from both conditions should be specified. Maximum installationmisalignment should also be taken into account to determine if the non-metallic fan/duct connector design is capable of reacting to a combination of the total maximum movements.
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