产品类别
DU型转盘卡瓦
DU系列转盘卡瓦由DU型、DUL型和SDU型三种型式的转盘卡瓦组成，该卡瓦扣合范围广、重量轻，其中SDU型卡瓦背锥接触面大、强度高，耐磨性好。产品按API Spec 7K规范要求设计、制造。
|
型号 |
卡瓦体尺寸 |
4.1/2 |
|||||
|
DU |
钻杆直径 |
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 |
钻杆直径 |
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 |
钻杆直径 |
in |
- |
- |
- |
- |
- |
|
mm |
- |
- |
- |
- |
- |
||
|
型号 |
卡瓦体尺寸 |
5.1/2 |
|||||
|
DU |
钻杆直径 |
in |
3.1/2 |
4 |
4.1/2 |
5 |
5.1/2 |
|
mm |
88.9 |
101.6 |
114.3 |
127 |
139.7 |
||
|
DUL |
钻杆直径 |
in |
3.1/2 |
4 |
4.1/2 |
5 |
5.1/2 |
|
mm |
88.9 |
101.6 |
114.3 |
127 |
139.7 |
||
|
SDU |
钻杆直径 |
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 |
钻杆直径 |
in |
4.1/2 |
5 |
5.1/2 |
6.5/8 |
7 |
|
mm |
114.3 |
127 |
139.7 |
168.3 |
177.8 |
||
|
DUL |
钻杆直径 |
in |
- |
- |
- |
- |
- |
|
mm |
- |
- |
- |
- |
- |
||
|
SDU |
钻杆直径 |
in |
4.1/2 |
5 |
5.1/2 |
6.5/8 |
7 |
|
mm |
114.3 |
127 |
139.7 |
168.3 |
177.8 |
||