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Style R Ring Type Joints are widely used in valves, piping systems, and pressure vessels. Manufactured to ASME B16.20 or API 6A, they are available in oval and octagonal profiles for use with modern octagonal groove flanges.

Style R Ring Product Image
Unit of Measure
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Ring #

Item Name

Pipe Size & Pressure Class

R23.316.OCT N/A R23 Octagonal 316 Stainless N/A 1 1/2" @ 2500 ANSI 2" @ 2000 psi 2" @ 300/600 ANSI
R24.SI N/A R24 Oval Soft Iron N/A 2" @ 1500 ANSI 2" @ 3000 psi 2" @ 5000 psi 2" @ 900 ANSI
R24.316 N/A R24 Oval 316 Stainless N/A 2" @ 1500 ANSI 2" @ 3000 psi 2" @ 5000 psi 2" @ 900 ANSI
R24.OCT N/A R24 Octagonal Soft Iron N/A 2" @ 1500 ANSI 2" @ 3000 psi 2" @ 5000 psi 2" @ 900 ANSI
R24.316.OCT N/A R24 Octagonal 316 Stainless N/A 2" @ 1500 ANSI 2" @ 3000 psi 2" @ 5000 psi 2" @ 900 ANSI
R25.SI N/A R25 Oval Soft Iron N/A 2 1/2" @ 150 ANSI
R25.316 N/A R25 Oval 316 Stainless N/A 2 1/2" @ 150 ANSI
R25.OCT N/A R25 Octagonal Soft Iron N/A 2 1/2" @ 150 ANSI
R25.316.OCT N/A R25 Octagonal 316 Stainless N/A 2 1/2" @ 150 ANSI
R26.SI N/A R26 Oval Soft Iron N/A 2 1/2" @ 2000 psi 2 1/2" @ 300/600 ANSI 2" @ 2500 ANSI
R26.316 N/A R26 Oval 316 Stainless N/A 2 1/2" @ 2000 psi 2 1/2" @ 300/600 ANSI 2" @ 2500 ANSI
R26.OCT N/A R26 Octagonal Soft Iron N/A 2 1/2" @ 2000 psi 2 1/2" @ 300/600 ANSI 2" @ 2500 ANSI
R26.316.OCT N/A R26 Octagonal 316 Stainless N/A 2 1/2" @ 2000 psi 2 1/2" @ 300/600 ANSI 2" @ 2500 ANSI
R27.SI N/A R27 Oval Soft Iron N/A 2 1/2" @ 1500 ANSI 2 1/2" @ 3000 psi 2 1/2" @ 5000 psi 2 1/2" @ 900 ANSI
R27.316 N/A R27 Oval 316 Stainless N/A 2 1/2" @ 1500 ANSI 2 1/2" @ 3000 psi 2 1/2" @ 5000 psi 2 1/2" @ 900 ANSI
R27.OCT N/A R27 Octagonal Soft Iron N/A 2 1/2" @ 1500 ANSI 2 1/2" @ 3000 psi 2 1/2" @ 5000 psi 2 1/2" @ 900 ANSI
R27.316.OCT N/A R27 Octagonal 316 Stainless N/A 2 1/2" @ 1500 ANSI 2 1/2" @ 3000 psi 2 1/2" @ 5000 psi 2 1/2" @ 900 ANSI
R28.SI N/A R28 Oval Soft Iron N/A 2 1/2" @ 2500 ANSI
R28.316 N/A R28 Oval 316 Stainless N/A 2 1/2" @ 2500 ANSI
R28.OCT N/A R28 Octagonal Soft Iron N/A 2 1/2" @ 2500 ANSI
R28.316.OCT N/A R28 Octagonal 316 Stainless N/A 2 1/2" @ 2500 ANSI
R29.SI N/A R29 Oval Soft Iron N/A 3" @ 150 ANSI
R29.316 N/A R29 Oval 316 Stainless N/A 3" @ 150 ANSI
R29.OCT N/A R29 Octagonal Soft Iron N/A 3" @ 150 ANSI
R29.316.OCT N/A R29 Octagonal 316 Stainless N/A 3" @ 150 ANSI
Unit of Measure
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