| After-sales Service: | Provided |
|---|---|
| Warranty: | 1 Year or 2000hours |
| Manufacturing Process: | Casting |
| Surface Treatment: | Sand Blast |
| Operation Pressure: | Vacuum |
| Material: | Cast Steel |
| Customization: |
|---|
Suppliers with verified business licenses
Corrosion resistant composite polished
rod for pumping well
1. Product model and structure
2, Product structure diagram
3. Technical requirement
General technical requirements: the products shall be processed and manufactured according to the technical documents or product drawings approved by the specified procedures.
General dimensions and tolerances of products
4. Material requirements
1)The materials used for alloy outer pipe shall comply with the provisions of GB /T4237 or ASTM A29-2016.
2)The materials used for rod body and polished rod shall comply with the provisions of 6.5.1 in SY / T5029-2006.
3)Appearance requirements
The product surface shall be bright, free of bumps, obvious scratches, cracks, bulges and obvious concave convex.
4)Performance requirements of outer pipe
The performance requirements of the outer pipe shall comply with the provisions in Table 2
Suppliers with verified business licenses
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