Model XS Kelly & Top Drive Plug
Plug is manual control valve in the drill string circulation system, and it is one of the effective tools to prevent blowout. It includes upper & lower kelly plugs and top drive upper & lower plugs which are respectively installed on both ends of kelly and lower top drive. Turn 90 ° can realize switch as required with special wrench.
Specifications
| Model | O.D mm (in) | Water Hole mm (in） | Length mm (in) | Connection |
| XXS89×70 | 89 (3 1/2) | 31.8 (1 1/4) | 590 (23-1/4) | NC26 |
| XXS105×70 | 105 (4 1/8) | 40 (1 9/16) | 590 (23-1/4) | NC31 |
| XXS108×70 | 108 (4 1/4) | 40(1 9/16) | 590 (23-1/4) | NC31 |
| XXS121×105 | 121(4 3/4) | 50.8(2) | 590 (23-1/4) | NC38 |
| XXS127×105 | 127 (5) | 50.8(2) | 590 (23-1/4) | NC38 |
| XXS165×70 | 165(6 1/2) | 57.2(2 1/4) | 610(24) | NC46 |
| XXS165×105 | 165(6 1/2) | 71.4 (2 13/16) | 610 (24) | NC50 |
| XXS178×105 | 178( 7) | 71.4 (2 13/16) | 610 (24) | 5 1/2FH |
| SXS197×105 | 197 (7 3/4) | 63.5 (2 1/2) | 610 (24) | 6 5/8REGLH |
| SXS200×105 | 200 (7 7/8) | 76.2 ( 3) | 610 (24) | 6 5/8REGLH |