Industrial Pipe Cap Fitting for Pipeline Closure - Welded End Cap with 100mm Minimum Splicing Distance and NDT Compliance
Professional pipe cap fittings designed for secure pipeline closure with radial or circumferential welding options. Features include 100mm minimum splicing distance requirements, 100% non-destructive testing compliance, and proper manufacturing sequence to ensure quality. Available in various sizes to match equipment housing specifications with joint coefficients from 0.85 to 1.0.
Permitted weld directions for splicing are limited to radial or circumferential orientations. Large caps may have this requirement waived in future specifications.
Splicing distance must exceed 3δ (material thickness) and be no less than 100mm. This ensures avoidance of high-stress weld heat affected zones where chemical composition changes occur.
All spliced head welds require 100% radiographic or ultrasonic inspection. Qualification levels must match the equipment housing standards.
| Equipment Housing Inspection | Head Weld Qualification | Joint Coefficient |
|---|---|---|
| 20% tested, Level III qualified | Level III qualified | 0.85 |
| 100% tested, Level II qualified | Level II qualified | 1.0 |
- Cutting/Marking
- Small plate assembly into large board
- Molding/Forming
- Final non-destructive testing