3A-Certified & AS1528.1-Compliant
Stainless Steel Fittings & Essential Components
CREST VK series fittings are 3A-validated (V3A) and AS1528.1-compliant (VAS) and manufactured welded-as-seam-less (WSL) according to the latest edition of ASTM A270 or AS1528.1 or JIS G3447.
| Dimension | |
|---|---|
| OD [inch/mm] | WT [inch/mm] |
| 1/2″(12.7) | 0.049″(1.24) |
| 1/2″(12.7) | 0.065″(1.65) |
| 3/4″(19.05) | 0.049″(1.24) |
| 3/4″(19.05) | 0.065″(1.65) |
| 1″(25.4) | 0.049″(1.24) |
| 1″(25.4) | 0.065″(1.65) |
| 1.5″(38.1) | 0.065″(1.65) |
| 2″(50.8) | 0.065″(1.65) |
| 2.5″(63.5) | 0.065″(1.65) |
| 3″(76.2) | 0.065″(1.65) |
| 4″(101.6) | 0.065″(1.65) |
| 4″(101.6) | 0.083″(2.11) |
| 6″(152.4) | 0.065″(1.65) |
| 6″(152.4) | 0.083″(2.11) |
| 6″(152.4) | 0.109″(2.77) |
| 8″(203.2) | 0.109″(2.77) |
| 10″(254.0) | 0.120″(3.00) |
| 12″(304.8) | 0.134″(3.40) |
| Code | Specifications | Pre-Materials | Surface Finish (max) | ||
|---|---|---|---|---|---|
| AS | AS1528.1 | 304L 316L |
ID | Welded as Seam-Less | Unpolished |
| OD | < 32 RA | < 0.8 μm | |||
| BA | A270 | 304L 316L |
ID | Welded as Seam-Less | Unpolished |
| OD | Bright Annealed | Unpolished | |||
| BAP | A270 | 304L 316L |
ID | Welded as Seam-Less | Unpolished |
| OD | < 32 RA | < 0.8 μm | |||
| MP | A270 | 304L 316L |
ID | < 20 RA | < 0.5 μm |
| OD | < 32 RA | < 0.8 μm | |||
| EP | A270 | 304L 316L |
ID | < 15 RA | < 0.25 μm |
| OD | < 32 RA | < 0.8 μm | |||