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Style 8400 flue ducts are available in round, rectangular, or square configurations; as belt type (without flanges) or U-type (flanged); with virtually no size restrictions. Garlock also provides on-site vulcanizations for flue ducts that require splicing into position, due to obstructions or interferences that prevent continuous construction installations.
Style 8420 Split™ is typically used in applications where small piping limits the use of flanged connections. An example of this includes vacuum pump inlets and outlets in pulp and paper applications. It is also used as a temporary repair for piping that has cracked. It can be provided in the split design or as a sleeved product. Adhesives kits are also available for easy installation.
This multi-convoluted, lightweight expansion joint is designed for low pressure applications that require significant amounts of movement, axially and/or laterally. Its low spring rates make it ideal for air handling, load cell, bin activators, vibrating bins, silos, and pellet/dough hopper applications.
NOTE: Flanged designs require retaining rings for an effective seal. Sleeve type requires clamps; the overall length of the expansion joint should include an additional 4in / 101.6 mm for clamping space.