Basic Parameters
Spherical rubber core ring blowout preventer selection table
Work pressure | Nominal size | ||||||
Mpa(psi) | 179.4 (7-1/16") | 228.6 (9") | 279.4 (11") | 346.1 (13-5/8") | 425 (16-3/4") | 476 (18-3/4") | 762 (30") |
70(10000) | √ | √ | √ | √ | √ | ||
35(5000) | √ | √ | √ | √ | √ | √ | |
21(3000) | √ | √ | √ | √ | √ | ||
14(2000) | √ | √ | √ | ||||
7(1000) | √ |