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RTJ – Type R Octagonal

Industrial Gaskets has an extensive stock of Ring Type Joint gaskets – RTJ’s

The Octagonal series of RTJ – Style R is a modified oval joint ring to provide better sealing performance.

Style R gaskets are manufactured in accordance with both API 6A and ASME B16.20 size/ratings, all certified to API 6A through EN10204 Type 3.2.

It is used on standard ring joint flat bottom groove flanges.

Available in sizes R11 through to R105.

Range of materials include 316Stainless Steel, Soft Iron, Low Carbon Steel, PTFE Coated and F5 Alloy Steel.

Size Chart for Series “R”

NominalĀ  150# 300-600# 900# 1500# 2500#
pipe size
1/2 R-11 R-12 R-12 R-13
3/4 R-13 R-13 R-13 R-16
1 R-15 R-16 R-16 R-16 R-18
1 1/4 R-17 R-18 R-18 R-18 R-21
1 1/2 R-19 R-20 R-20 R-20 R-23
2 R-22 R-23 R-24 R-24 R-26
2 1/2 R-25 R-26 R-27 R-27 R-28
3 R-29 R-31 R-31 R-35 R-32
31/2 R-33 R-34 R-34
4 R-36 R-37 R-37 R-39 R-38
5 R-40 R-41 R-41 R-44 R-42
6 R-43 R-45 R-45 R-46 R-47
8 R-48 R-49 R-49 R-50 R-51
10 R-52 R-53 R-53 R-54 R-55
12 R-56 R-57 R-57 R-58 R-60
14 R-59 R-61 R-62 R-63
16 R-64 R-65 R-66 R-67
18 R-68 R-69 R-70 R-71
20 R-72 R-73 R-74 R-75
22 R-80 R-81
24 R-76 R-77 R-78 R-79
26 R-93 R-100
28 R-94 R-101
30 R-95 R-102
32 R-96 R-103
34 R-97 R-104
36 R98 R-105

Please note that the above chart is a guideline only. Please contact our sales team for further clarification.