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  • Sucker Rod Centralizer
  • Sucker Rod Centralizer

Sucker Rod Centralizer


Sucker rod centralizer is a kind of downhole tools which is pumping well anti-abrasion, it is especially suitable for pumping well and directional well whcih above of sucker rod middle point,under the middle point of sucker rod , the rod body with nylon centralizer is works better.

The sucker rod moves up and down in the tubing, due to the elastic deformation of sucker rod, rod and oil tube wall is easy to make friction, ti makes sucker rod break off easily, sucker rod centralizer has strong flexibility, touched with the tubing wall can reduce the friction of rod and tube, and can be increase production life of pumping unit. The centralizer is connected with sucker rod , the outsid diameter of centralizer is bigger than coupling outer diameter,so that can make the function of centralize. The centralizer is made of high strength wear-resistant material, and touched with the tubing to reduce the abrasion to achieve the purpose of anti-abrasion.

Process Sucker Rod Centralize:

1.Precondition: To ensure that the temperature of the workshop is not less than -20℃.

2.Drying: the raw material is dried in 100℃ hot air, making its humidity less than 0.1%.

3.Equipment debugging: power and water supply of equipment,then install the mould, cleaning equipment and raw material barrel.

4.Raw material melt: the melting temperature of HTN51G35HSLR.

5.Mold temperature: the mold temperature of the processed HTN51G35HSLR material is 145℃, and the mold temperature of the processed HTN53G50HSLR is 100℃.

6.Processing: the nozzle temperature is 290 ℃, plasticizing area one temperature is 285 ℃,plasticizing area two temperature is 275 ℃, plasticizing area three temperature is 260 ℃, injection pressure is 110 bar, flow is 90 cc/min.

7.After the first product is produced, it will be testing the size, and the batch production will be start after the testing.


ItemSpecificationTechnical RequirementsPA66
1Testing ItemSmooth and Without DamageSmooth
2Bending Strength  Mpa≧103242.46
3Notch Impact Strength≧1327.66
4Friction Coefficient  μ≦0.0180.0173
5Heat Distortion Temperature ℃≧180220.85
6Wear Volume Loss  g/cm³≧0.0730.0049
7Density  kg/cm³1.3-1.41.4
8Tensile MPa

PPA Resin

ItemSpecificationsTechnique DataPPA Resin
1AppearanceSmooth and Without DamageSmooth
2Bending Strength  Mpa≧103352.26
3Notch Impact Strength≧1313
4Friction Coefficient  μ≦0.0180.1845
5Heat Distortion Temperature ℃≧180275.5
6Wear Volume Loss g/cm³≧0.0730.0182
7Density  kg/cm³1.3-1.41.4
8Tensile MPa

Found Petroleum Equipment Co., Ltd.Mill Test Certificate:

ProductCentralizerPcs2Delivery01.16.2015Certidicate No.F20150116
CompanyFound Petroleum Equipment Co., Ltd.Contract No./

/SpecificationAPI 10D
Aperance Testing
SizePcsOutside DiameterInner DiameterLength
Tensile test
MaterialStandard ValueTemperature- resistanceHRCImpact StrengthCompressive Strength
HTN51G35HSLRMeasured Value176℃933.992
HTN53G50HSLRMeasured Value187℃984.288
Note: 1. A certificate to the original shall be prevailed, copy is invalid. 2. Item to write clearly, and do a single code. 3. There are ten days of feedback, and timely service. 4. Implement of API 10D standard, the warranty period of one year.Issued by

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  • Fax: +86 472 2620 668
  • Add: Tongda Road, Baotou Equipment Manufacturing Industry Park, Qingshan District, Baotou City, Inner Mongolia, China.

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