Abstract: A conduit coupling assembly having first and second sleeve members configured to be tightened to a fluid conduit, an arcuate radial split gasket configured to be positioned between the first and second sleeve members and the fluid conduit, the first sleeve member having an inwardly-facing arcuate radial surface with first and second arcuate portions and a third arcuate portion between the first and second arcuate portions that has a radius from the longitudinal axis of the pipe that is less than the radius of the first and second arcuate portions, and the second sleeve member having an inwardly-facing arcuate radial surface with first and second arcuate portions and a third arcuate portion between the first and second arcuate portions that has a radius from the longitudinal axis of the pipe that is less than the radius of the first and second arcuate portions.

Abstract: A coupling assembly having first and second sleeves configured to be tightened to a fluid conduit, a radial-split gasket configured to be positioned between the sleeves and the fluid conduit and having an outer gasket layer and a separate inner gasket layer configured to be selectively disengaged from each other, an inner circumferential surface of the outer gasket layer and/or an outer circumferential surface of the inner gasket layer comprising a plurality of circumferentially spaced retaining protrusions interfacing between the inner and outer gasket layers, each of the retaining protrusions having a separation portion and an engagement portion connected to the other gasket layer by a gasket layer connection such that the engagement portion will separate at the separation portion under an applied separation force prior to the engagement portion separating at the gasket layer connection.

Abstract: A coupling assembly having first and second sleeves configured to be tightened to a fluid conduit, a radial-split gasket configured to be positioned between the sleeves and the fluid conduit and having an outer gasket layer and a separate inner gasket layer configured to be selectively disengaged from each other, the outer gasket layer having a radial gap defined by first and second radial side wall gap surfaces, the inner gasket layer having a radial gap and a radial insert configured to be received in the radial gap of the outer gasket layer between the first and second radial side wall gap surfaces.

Abstract: A conduit coupling assembly having first and second sleeve members configured to be tightened to a fluid conduit, an arcuate radial split gasket configured to be positioned between the first and second sleeve members and the fluid conduit, the first sleeve member having an inwardly-facing arcuate radial surface with first and second arcuate portions and a third arcuate portion between the first and second arcuate portions that has a radius from the longitudinal axis of the pipe that is less than the radius of the first and second arcuate portions, and the second sleeve member having an inwardly-facing arcuate radial surface with first and second arcuate portions and a third arcuate portion between the first and second arcuate portions that has a radius from the longitudinal axis of the pipe that is less than the radius of the first and second arcuate portions.

Abstract: A coupling assembly having first and second sleeves configured to be tightened to a fluid conduit, a radial-split gasket configured to be positioned between the sleeves and the fluid conduit and having an outer gasket layer and a separate inner gasket layer configured to be selectively disengaged from each other, the outer gasket layer having a radial gap defined by first and second radial side wall gap surfaces, the inner gasket layer having a radial gap and a radial insert configured to be received in the radial gap of the outer gasket layer between the first and second radial side wall gap surfaces.

Abstract: A coupling assembly having first and second sleeves configured to be tightened to a fluid conduit, a radial-split gasket configured to be positioned between the sleeves and the fluid conduit and having an outer gasket layer and a separate inner gasket layer configured to be selectively disengaged from each other, an inner circumferential surface of the outer gasket layer and/or an outer circumferential surface of the inner gasket layer comprising a plurality of circumferentially spaced retaining protrusions interfacing between the inner and outer gasket layers, each of the retaining protrusions having a separation portion and an engagement portion connected to the other gasket layer by a gasket layer connection such that the engagement portion will separate at the separation portion under an applied separation force prior to the engagement portion separating at the gasket layer connection.

Abstract: A coupling assembly orientated about a longitudinal axis and having a first sleeve and second sleeve configured to be tightened to a fluid conduit, a radial-split gasket configured to be positioned between the sleeves and the fluid conduit and having an outer gasket layer and a separate inner gasket layer that are configured to be selectively disengaged from each other, and an inner circumferential surface of the outer gasket layer and/or an outer circumferential surface of the inner gasket layer comprising a plurality of circumferentially spaced retaining protrusions interfacing between the inner and outer gasket layers to maintain angular alignment of the inner and outer gasket layers about the longitudinal axis.