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API spider
相關介紹
The PI spider has the same inner hole and 1:3 inner cone as the API standard halved turntable core. All API standard 1:3 back cone rotating slips, such as drill collars, drill pipes, tubing and casing slips can be used in this spider. The spider body is made of alloy steel material through special heat treatment, which has the characteristics of light weight and convenient use. The products are designed and manufactured according to the requirements of API Spec 7K.
| Specification model | Applicable pipe diameter（in） | Rated load（short tons） |
| 8.5/8APIspider | 2.3/8-8.5/8 | 100 |
| 9.5/8APIspider | 9.5/8-10.3/4 | 150 |
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