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Brand | LEADER |
Series | R Octagonal |
Ring number | R37 |
Approval according to | API 6A (ISO 10423) |
Nominal diameter (ASME) | 4 in |
Nominal diameter (API) | 4.1/16 in |
Height | 15.9 mm |
Outer Diameter | 160.36 mm |
Pitch circle | 149.23 mm |
Width | 11.13 mm |
Inner Diameter | 138.1 mm |
Material | Soft iron |
Hardness | 90 HB |
Norm | ASME B16.20 |
Temperature range | from -40 to 500 °C |