Product Overview
Nexnice inner-grooved copper tubes are specified by both their outside dimensions and internal profile. The catalog identifies outside diameter, bottom wall, groove depth, groove angle, helix angle, and the bore measured at the groove tips.
For a production order, those dimensions need to be accompanied by a practical delivery specification. Tube condition, supplied length, or coil format and the inspection reference determine how the material will be received and matched to the manufacturing process.
Product Features and Options
A Defined Tube Section
Use one approved drawing for the complete profile. Include the groove-tip bore as well as OD and wall measurements so purchasing and inspection teams are working to the same cross-section.
Supply Format for Production
State whether the requirement is for coils or cut lengths and identify the handling dimensions that matter to the receiving equipment. Availability of the requested format must be confirmed with the tube profile.
Inspection and Order Consistency
List controlled dimensions and their tolerances, the required material condition, and any test documentation. A repeat order should reference the agreed drawing revision so an altered groove profile is not supplied under an unchanged general name.
Inner-Grooved Copper Tube
Technical Specifications
| Profile item | What to specify |
| Outside and inside dimensions | OD and bore at groove tips |
| Wall dimensions | Bottom wall and total wall |
| Groove geometry | Depth, apex angle, tooth count and helix |
| Delivery requirements | Condition, coil or cut length, packing |
| Inspection reference | Approved drawing, revision and tolerances |
Numerical profiles are selected from the catalog schedule and confirmed on the product drawing.
Application and Selection
This specification is intended for buyers sourcing internally profiled tubing for a defined heat-exchanger design. Describe the downstream forming or assembly requirements where they affect the supplied tube condition.
The catalog contains several combinations within the same OD family. Confirm the entire selected row and drawing; substituting another wall or groove height changes the section even if the outside diameter stays the same.
Ordering Information
To request a quotation, please provide:
- Profile drawing and revision number.
- OD, groove-tip bore, bottom wall, and total wall.
- Groove height, angle, count, and helix angle.
- Material condition, supply form, quantity, and packing.
- Tolerances, inspection method, and required documentation.
Related product: Micro-Fin Inner-Grooved Copper Tube
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