Du series rotary slips include DU ,DUL and SDU types .Their range is large and weight light .SDU type main features are large connecting areas and high strength , good abrasion resistance .
Design and manufacture by API SPEC 7k.
(n) model number | Kava size | 4.1/2 | |||||
DU | Drill pipe diameter | in | 2.3/8 | 2.7/8 | 3.1/2 | 4 | 4.1/2 |
mm | 60.3 | 73.0 | 88.9 | 101.6 | 114.3 | ||
DUL | Drill pipe diameter | in | 2.3/8 | 2.7/8 | 3.1/2 | 4 | 4.1/2 |
mm | 60.3 | 73.0 | 88.9 | 101.6 | 114.3 | ||
SDU | Drill pipe diameter | in | - | - | - | - | - |
mm | - | - | - | - | - | ||
(n) model number | Kava size | 5.1/2 | |||||
DU | Drill pipe diameter | in | 3.1/2 | 4 | 4.1/2 | 5 | 5.1/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
DUL | Drill pipe diameter | in | 3.1/2 | 4 | 4.1/2 | 5 | 5.1/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
SDU | Drill pipe diameter | in | 3.1/2 | 4 | 4.1/2 | 5 | 5.1/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
(n) model number | Kava size | 7 | |||||
DU | Drill pipe diameter | in | 4.1/2 | 5 | 5.1/2 | 6.5/8 | 7 |
mm | 114.3 | 127 | 139.7 | 168.3 | 177.8 | ||
DUL | Drill pipe diameter | in | - | - | - | - | - |
mm | - | - | - | - | - | ||
SDU | Drill pipe diameter | in | 4.1/2 | 5 | 5.1/2 | 6.5/8 | 7 |
mm | 114.3 | 127 | 139.7 | 168.3 | 177.8 | ||