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Polished rod is an important part for connecting pump unites to sucker rod string in rod-pumping system. Jereh provide two sorts of polished rod, general polished rod and one end upset type polished rod. They all are designed in accordance with API Spec 11B and are made of fine alloy steel. Polished rod is featured by high strength, good toughness, smooth surface and long service life. Its tensile strength is 655~1102Mpa (95000~160000psi).
When used, general polished rod connects with polished rod coupling but one end upset polished rod connects with sucker rod coupling.
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| TYPE |
SIZE (in) |
ROD D. (in) |
THREAD D. (in) |
ROD LENGTH (ft) |
SIZE SUCKER ROD WITH WHITCH USED (in) |
| General Type |
1-1/8 |
1-1/8 |
5/16 |
1 8, 11, 16, 22, 24, 26 |
5/8 |
| 1-1/16 |
3/4 |
| 1-1/4 |
1-1/4 |
1-3/16 |
7/8 |
| 1-1/2 |
1-1/2 |
1-3/8 |
1 |
| Upset Type |
1-1/8 |
1-1/8 |
15/16 |
8, 11, 16, 22, 24, 26 |
5/8 |
| 1-1/16 |
3/4 |
| 1-1/4 |
1-1/4 |
1-3/16 |
7/8 |
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Main Technical Parameters: