*gaskets&seals R11-R105 *accord with API 6A ASME B16.20&ISO9001:2000 *pipeline and valve fittings *sell well at Home& ... / 347/ 321/ inconel600.....2. specification:R11-R1053. application standard :ASME B 16.20, API 6A4. mainly used for:high-temperarure,high-presure ... and ISO9001:2000, therefore, our products comply with ASME B16.20 standard and API spec 6A .Moreover, we could supply gaskets as ...