The 38W Weld Neck Flange is a stainless-steel fitting for connecting sanitary OD tube to ASME 150# flanges. The buttweld end is OD tube dimension and the flange end has a standard size ASME 150 lb bolt pattern. It is designed to be welded into permanent process lines to connect to equipment that has a flange connection. Constructed of 316L stainless steel, this weld neck flange is durable, and built to last. Flange ends are often used on industrial pumps and valves that can be found in the food, beverage, and pharmaceutical industries.
38W Weld Neck Flange Technical Specifications
- Material: 316L Stainless Steel
- Surface Finish: Machined to 32Ra
- Specification: ASTM A182 forged
- 150# Bolt pattern
38W Weld Neck Flange Measurements
| Tube O.D. | A | Bolt Hole (B) | Bolt Circle (C) | D | F | ID Bore (E) | # Bolt Holes |
| 1" | 4.25 | 0.62 | 3.12 | 0.38 | 0.50 | 0.87 | 4 |
| 1-1/2" | 5.00 | 0.62 | 3.87 | 0.38 | 0.50 | 1.37 | 4 |
| 2" | 6.00 | 0.75 | 4.75 | 0.50 | 0.63 | 1.87 | 4 |
| 2-1/2" | 7.00 | 0.75 | 5.50 | 0.50 | 0.63 | 2.37 | 4 |
| 3" | 7.50 | 0.75 | 6.00 | 0.50 | 0.63 | 2.87 | 4 |
| 4" | 9.00 | 0.75 | 7.50 | 0.50 | 0.63 | 3.83 | 8 |
| 6" | 11.00 | 0.87 | 9.50 | 0.50 | 0.63 | 5.78 | 8 |
