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Style R & RIR

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Style R spiral wound gaskets embody all the exclusive features for keeping compression values in balance with bolting and providing adequate resilience to compensate for variable stresses encountered in service. Style R spiral wound gaskets are manufactured to a nominal thickness of 0.125″ (3.2mm). Optimum compression is in the range of 0.090″ to 0.100″ (2.3mm to 2.5mm) thick.

Special Style R spiral wound gaskets are adaptable to non-standard flanges and can be designed and manufactured according to specifications for high and low pressure applications and for severe corrosive conditions.

Basic construction type, inner & outer diameters are reinforced with several plies of metal without filler to give greater stability & better compression characteristics.

flexitallic_spiral_wound_style_rirStyle RIR spiral wound gaskets are designed to prevent accumulation of solids, reduce turbulent flow of process fluids and minimize erosion of flange faces. The inner ring provides a positive stop preventing the gasket from over compression and possible damages.

Style RIR spiral wound gaskets are manufactured to 0.125″ (3.2mm) thickness. The gasket features a solid metal inner ring nominally 0.090″ (2.3mm) thick, as an integrated part of its design.

Special styles are available in other thickness.

Solid inner metal ring acts as a compression stop and fills the annular space between flange bore and the inside diameter.

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