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（９） Type API-RX Ringjoint gasket to API SPEC 6A ring joint flange（table 1.1.36）
| Products （VALQUANo.） | Product Dimension Standard | Applicable Flange Standard | |||||
| Ring Joint Gasket API-RX 550-S |
API SPEC 6A-1989 ASME B16.20-1994 |
API SPEC 6A（6BFlange ） | |||||
*（1）Dimensional torelance of ＋mark: 0,-0.38
（2）Dimensional torelance of ＊mark: +0.5, 0
