Non-aligned Screwed Unions (RON)
 
 Non-aligned screwed unions (RON) are independent equipments designed to ensure the variable (max. 8 degree) high pressure (max. 350 bar) mud line connections, such as between discharge mud lines and stand pipe and between different discharge mud lines. Other connecting threads upon request.
| Type | Size-F1 (in) | d (mm) | A (mm) | B (mm) | C (mm) | F2 (mm) | Weight (kg) | 
| RONLP2-350 | LP2 | 52 | 190 | 195 | 78 | M120 x 6 | 10.3 | 
| RONLP3-350 | LP3 | 76 | 250 | 242 | 110 | M150 x 6 | 20.6 | 
| RONLP4-350 | LP4 | 100 | 250 | 286 | 138 | M180 x 8 | 27.2 |