There are three types of DU series Rotary Slips: DU,DUL and SDU. They are with large handling range and light weight. There into, SDU slips have larger contacting areas on the taper and higher resistance strength. They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.
Model |
Size of Slip Bodies |
4.1/2 |
DU |
DP OD |
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 |
DP OD |
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 |
DP OD |
in |
- |
- |
- |
- |
- |
mm |
- |
- |
- |
- |
- |
Model |
Size of Slip Bodies |
5.1/2 |
DU |
DP OD |
in |
3.1/2 |
4 |
4.1/2 |
5 |
5.1/2 |
mm |
88.9 |
101.6 |
114.3 |
127 |
139.7 |
DUL |
DP OD |
in |
3.1/2 |
4 |
4.1/2 |
5 |
5.1/2 |
mm |
88.9 |
101.6 |
114.3 |
127 |
139.7 |
SDU |
DP OD |
in |
3.1/2 |
4 |
4.1/2 |
5 |
5.1/2 |
mm |
88.9 |
101.6 |
114.3 |
127 |
139.7 |
Model |
Size of Slip Bodies |
7 |
DU |
DP OD |
in |
4.1/2 |
5 |
5.1/2 |
6.5/8 |
7 |
mm |
114.3 |
127 |
139.7 |
168.3 |
177.8 |
DUL |
DP OD |
in |
- |
- |
- |
- |
- |
mm |
- |
- |
- |
- |
- |
SDU |
DP OD |
in |
4.1/2 |
5 |
5.1/2 |
6.5/8 |
7 |
mm |
114.3 |
127 |
139.7 |
168.3 |
177.8 |
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