API Oilwell Polished and Sucker Rod Couplings Manufacturer
China API Oilwell Polished and Sucker Rod Couplings Manufacturer, Find details about China Sucker Rod Coupling, Polished Rod Coupling from API Oilwell Polished and Sucker Rod Couplings Manufacturer
Basic Info.
Model NO.
Sucker rod coupling
Trademark
MED
Specification
5/8" --- 1 1/8", or as required
Origin
China
Model NO.
Sucker rod coupling
Trademark
MED
Specification
5/8" --- 1 1/8", or as required
Origin
China
Product Desciption
API Oilwell Polished and Sucker Rod Couplings Manufacturer
Polished rod couplings are designed for connecting of the polished rod to the top rod of the string. Contrary to rod couplings, polished rod couplings have a female cone that eliminates the coupling twist-off in the course of operation.
1. Standard: API Spec 11B
2. Materials: AISI5140 (high quality carbon steel )
3. Coat thickness: 0.010in-0.020in
4. Coat Material: Ni60A Alloy Coating
5. Type: full size and slim hole
6. Coupling diameter: 5/8"; 3/4"; 7/8"; 1"; 1-1/8"
7. New product: Two-way globoidal protection sucker rod coupling;
Full size sucker rod coupling with big chamfer
| polished rod coupling | |||||
| Size(in) | Coupling O.D W(mm) | Length L(mm) | Thread D.(in) | Vanish Cone | Hardness(HRA) |
| (+0.13,-0.25) | (+1.57,-0.00) | ||||
| 5/8" | 38.1 | 101.6 | 15/16" | 9O | 56-62 |
| 3/4" | 41.28 | 1-1/16" | |||
| 7/8" | 46 | 1-3/16" | |||
| 1" | 55.6 | 1-3/8" | |||
| 1-1/8" | 60.33 | 114.3 | 1-9/16" | ||
Sucker Rod Coupling
Couplings are manufactured from quenched and tempered micro alloyed steels. API couplings are furnished in two classes: Class T and Class SM (Spray Metal). The later has a superficial hardening
One sucker rod coupling must be processed by a few fabrication procedures, such as, Blanking, drilling hole, boring hole, milling, thread tapping, and so on. At the last step, do the surface treatment. The surface treatment includes black coating, phosphating or per the customers requirement. Besides, it has good anticorrosion and anti-friction property. The following table shows the related information about the sucker rod coupling
| Parameters | ||||||
| Type | grade | O.D(mm) | Minimum lengh(mm) | Hardness | Weight(kg) | Standard |
| reference | ||||||
| 3/4" | 19-T | 41.05~41.43 | 101.6~103.17 | 56-62HRA | 0.65 | API 11B |
| 7/8" | 22-T | 45.75~46.13 | 45.75~46.13 | 56-62HRA | 0.8 | API 11B |
| 1" | 25-T | 55.35~55.73 | 55.35~55.73 | 12-23HRA | 1.15 | API 11B |
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