api5000API 5K API 5K means an API-defined BOP confuration with a rated working pressure of 5,000 psi and as described in API RP 53, adopted by reference at 20 AAC 25.527(c).API 6A - TYPE - 6B 34.5 MPA (5000 PSI) Size B OD C (MAX.) K P E T Q X BC N H LN HL JL Ring Number R or RX 2 116˝ 53.2 215 3 124 95.25 7.9 46.1 38.1 104.8 165.1 8 26 109.5 60.3