.

Stop Collar

The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.

Stop collar is used to 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: knock-on 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.

Technical Parameters:

Specification(in)

ID(mm)

OD(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

40

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


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