api 5000Our ring joint gaskets are strictly manufactured as per API-6A and ASME B16.20 specification. RX Series are available in low carbon steel and 316 stainless steel. RX Series ring joint gasketsAPI 6A Type 6B 5000 PSI Weld Neck & Blind Flanges Manufacturers & suppliers in India Hh pressure steel flange, forged flanges, API 6A Type 6B 5000 PSI Weld Neck & Blind Flanges