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Products
DU series turntable slip
There are three types of DU Series Rotary Slips: DU,DUL and SDU. They are with large handling range and light weight. Therefore, these slips have larger contact area on the taper and heat-treated for strength and wear resistance. They are designed and manufactured according to API Spec 7K.
TYPE |
Slip body 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 |
- |
- |
- |
- |
- |
||
TYPE | Slip body 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 |
||
型号 |
卡瓦体尺寸 |
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 |

Nantong Shenglang Petroleum Technology Co., Ltd.
Our company will be committed to continuously improving product production processes and quality, and continuously developing new products to maintain market competitiveness. Moving in the direction of modern enterprises with time. With the corporate tenet of "sincerity, pragmatism, quality, and efficiency", we wholeheartedly serve people from all walks of life.
Address: North side of Yalujiang Road, Rudong Economic Development Zone
phone: 013862779298 013862783628
email:rdwjs@163.com