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The positioning device, also known as a stop ring or stop collar, is utilized to restrict the slip of the centralizer or cement basket on the casing. It comes in various types including the mobile screw type, fixed screw type, and buckle type.
1. Application and Characteristics
- The positioning device (stop ring or stop collar) is used to limit the slip of the centralizer or cement basket on the casing.
- It is available in mobile screw type, fixed screw type, and buckle type variations.
2. Installation and Usage Method
a. Mobile Screw Type Stop Collar:
- Slip the collar over the casing and tighten the screws using a wrench.
b. Fixed Screw Stop Collar:
- Position the collar around the casing, insert the screw, and secure it by knocking it in with a hammer.
c. Buckle Type Stop Collar:
- Buckle the stop collar onto the casing, lock it with a pin, and secure it by knocking in the screws.
Cementing Accessories, Casing Centralizer, Pressure Vessels, Cementing Tool, Cementing Head, Pumping Units, Centralizers, Accessories
3. Property Parameters
|
Specifications,mm |
13 3/8″ |
10 3/4″ |
9 5/8″ |
8 1/8″ |
7 5/8″ |
7″ |
5 1/2″ |
5″ |
4 1/2″ |
|
ID,mm |
338 |
272 |
245 |
206 |
193 |
177 |
139 |
126 |
114 |
|
OD,mm |
350 |
284 |
257 |
218 |
285 |
189 |
151 |
138 |
126 |
|
Holding Force,KN |
40 |
40 |
40 |
30 |
30 |
30 |
30 |
24 |
24 |
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Main Product:
Sucker Rod Pump,
Pump Unit,
Pump Jack,
Wellhead Installation ,
Cementing Head,
Casing Centralizer
