Hinged Bolted Stop Collars
An economical collar suitable for sub-critical annular tolerances. Available in size range 4 1/2" to 20", it has a cross bolt design which makes it an efficient and user friendly device.
Stop collar 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.
Stop collar Usage
1. Fastening screw stop ring when use, first set into the casing, and then using a wrench to tighten the screws.
2. Fixed screw type when use, first set into the casing, and then insert screws, type in with a hammer.
3. Snap fit stop ring, direct stop ring button on the casing, use pin lock, then knocked into the screws.
Specification
| 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 |
Our Services
Our products and services are closely related to oil drilling and oil well cementation. Our products include integral casing centralizer, welded casing centralizer, bow spring centralizer, float shoe, float collar, Suck Rod Pump, api pumping unit, Thread Protector, Thread Gauge, Api Valve Ball and Valve Seat, coupling and pump plungers.
Packing and Shipping
Wooden case, standard export packaging, firm enough for long distance sea-shipped, air transportation and even railway transportation.
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