Coreflow supplies flanges in the six construction types below, in stainless steel, carbon steel and alloy steel, and in raised face, flat face and ring joint facings. Each type is available across the pressure classes and bores listed on the following pages.
Weld Neck
Tapered hub, butt welded
Socket Weld
Socket bore, small sizes
Threaded
Screwed, no welding required
Lap Joint
Free flange on a stub end
Slip-On
Slides over pipe, fillet welded
Blind
Closes off a line or vessel
Range
| Shape | Size range | Ends |
|---|---|---|
| Elbows 90° / 45° | ½ to 8 in | Butt weld |
| Tees and crosses | ½ to 8 in | Butt weld |
| Reducers | ½ to 8 in | Butt weld |
| Caps and stub ends | ½ to 8 in | Butt weld |
Materials
| Group | Grade | Standard |
|---|---|---|
| Stainless | 304 / 304L | ASTM A403 |
| Stainless | 316 / 316L | ASTM A403 |
| Carbon | WPB | ASTM A234 |
| Alloy | WP11 / WP22 | ASTM A234 |
Standards: All dimensions are in mm and conform to ANSI B 16.9 and M.S.S. P-43 where applicable.