| Customization: | Available |
|---|---|
| After-sales Service: | Technical Support |
| Warranty: | 1 Year |
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API 5CT 4' K55 NU tubing coupling
Tubing coupling is the joining of two short length pipes by the means of female and male threads. All types of tubing couplings have internal threads which are known as female thread forms. These thread forms are usually machined so that they can be coupled with the external threads on pipes known as male thread forms.
Tubing couplings are strictly designed as per API 5CT specification. There are two types of tubing couplings widely used in the pipeline coupling manufacturing industries namely:
Non-upset Tubing Coupling
External-upset Tubing Coupling
The table below shows the specifications with respect to these two tubing couplings.
| API EUE Tubing Couplings | |||||
| Size OD | Couplig Size OD (in) | Length(in) | Weight Per Piece | Palletized Carton Quantity | Palletized Carton Weight (Kg) |
| (Kg) | (piece) | ||||
| 1.9 | 2.188 | 3.75 | 0.84 | 2,800 | 2352 |
| 2 3/8 | 3.063 | 4.875 | 1.55 | 1,414 | 2239 |
| 2 7/8 | 3.668 | 5.5 | 2.4 | 792 | 1901 |
| 3 1/2 | 4.5 | 5.75 | 4.1 | 448 | 1837 |
| 4 | 4.75 | 5.75 | 4.82 | 320 | 1543 |
| 4 1/2 | 5.563 | 6.5 | 6.05 | 252 | 1525 |
| API NUE Tubing Couplings | |||||
| 1.9 | 2.188 | 3.75 | 0.56 | 2900 | 1624 |
| 2 3/8 | 2.875 | 4.5 | 1.28 | 1,512 | 1936 |
| 2 7/8 | 3.5 | 5.5 | 2.34 | 800 | 1872 |
| 3 1/2 | 4.25 | 5.625 | 3.71 | 502 | 1863 |
| 4 | 4.726 | 5.75 | 4.35 | 382 | 1662 |
| 4 1/2 | 5.2 | 6.5 | 4.89 | 252 | 1233 |
.
| Grade Colour Codes | |||
| Grade | Grade Type | Colours For Couplings | |
| Entair Coupling | Band(s) | ||
| J55 | Bright Green | None | |
| K55 | Bright Green | None | |
| N80 | 1 | Red | None |
| N80 | Q | Red | Green |
| L80 | 1 | Red | One Brown |
| P110 | White | None | |
1.Are you a factory?
Yes,we have our own factory for manufacturing and we have the long history in this field as the China top brand.
2.Can you provide free sample?
Yes, we can provide samples in our stock for free, customer just need to bear the shipping fee.
3. Hhow about the quality guarantee ?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
4.what can you buy from us?
OCTG / Pumping Unit / Sucker Rod Pump / Wellhead and Christmas Tree / Casing and Coupling /Pup joint/Crossover/Centralizer
5. What is your advantages beyong other suppliers?
1).Complete categories & Reasonable price
2).Fast delivery & Quality guarantee
3).Supplier of china famous oil field and lots of US oil field etc.
4).20+ years professional manufacture major on oil equipment
6. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Cash,Escrow;
Language Spoken:English,Chinese,Spanish
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