API Standard Stop Collar stop ring
Descriptions:
Hold centralizers or cement baskets on any position of casing, which ensures the positions of centralizers or cement basket to meet the design. The stop collars are available in three types: KnockOn Type, Spiral Nail Type and Set Screw Type. The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets
Characters:
1. The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.
2. The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.
Technical size:
Specification(inch) | I.D.(mm) | O.D.(mm) | Holding Force (KN) |
13-3/8 | 338 | 350 | 40 |
10-3/4 | 272 | 284 | 40 |
9-5/8 | 245 | 257 | 40 |
8-1/8 | 206 | 218 | 30 |
7-5/8 | 193 | 285 | 30 |
7 | 177 | 189 | 30 |
5-1/2 | 139 | 151 | 30 |
5 | 126 | 138 | 24 |
4-1/2 | 114 | 126 | 24 |
API certificate:
Stop collar pictures: