OD 21.3 Stainless Steel Conical Union 316
OD 21.3 welded conical union (AISI 316) that gives a joint which can be opened where valves or instruments must be removed.
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Applications & Usage
Used where a welded line must be opened for maintenance without cutting the pipe — valves, instruments, and modular skids.
Technical Specifications
| Specification | Value |
|---|---|
| Fitting type | Conical union |
| Outside diameter | 21.3 mm |
| Material | AISI 316 |
| Standard | DIN / ISO conical union |
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Technical guides
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How 304 (1.4301) and 316 (1.4401/1.4404) stainless steel differ in composition, PREN, strength and chloride resistance, what the L grades and A2/A4 fasteners mean, and which grade to choose.
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