API stop collars

API Stop Collar

Hold centralizers or cement baskets on any position of casing, which ensures the positions of centralizers or cement basket to meet the design.

Size: 20", 18-5/8", 16", 14", 13-3/8", 11-3/4", 10-3/4", 9-5/8", 7-5/8", 7", 6-5/8", 5-1/2", 5", 4-1/2"

Features:
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.


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 stop collars