| After-sales Service: | Yes |
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| Warranty: | 1 Year |
| Manufacturing Process: | CNC Milling |
| Surface Treatment: | Galvanized |
| Operation Pressure: | Atmospheric Pressure |
| Material: | Alloy |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier The Double Stage Cementing Collar provides an effective, economical way to cement one or more specific casing intervals or to cement upper zone saft era lower zone has been cemented.
The collar should be used with centralizers above and below and a cementing basket positioned below the ports.
The operation of the collar is simple and reliable. It features a double locking mechanism consisting of a snap ring lock and ball lock system to assure that the ports are permanently locked closed after cementing is completed. Internal parts are designed to lock to prevent rotation during drill out and are constructed of easily drillable materials
| Size, in | 5 1/2" | 7" | 9 5/8" | 13 3/8" |
| Max O.D., mm | Φ170 | Φ208 | Φ283 | Φ381 |
| Drill-out I.D., mm | Φ122 | Φ155 | Φ220 | Φ315 |
| Overall Length, mm | 1082 | 1182 | 1222 | 1280 |
| Rated Load, t | 140 | 170 | 210 | 300 |
| Sealing Capacity, MPa | 25 | 25 | 25 | 25 |
| Opening Pressure, MPa | 13 | 13 | 13 | 14 |
| Closing Pressure, MPa | 5 | 5 | 5 | 5 |
| Lower Sliding Sleeve I.D., mm | Φ85 | Φ115 | Φ176 | Φ203 |
| Upper Sliding Sleeve I.D., mm | Φ95 | Φ125 | Φ197 | Φ285 |
Suppliers with verified business licenses
Audited Supplier 
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