- Grey iron castings conform to ASTM A126 and ASTM A48
- Companion flange dimensions conform to ASME B16.1
- Hot-dipped galvanized flanges conform to ASTM A153
- Companion flanges threads conform to ASME B1.20.1
- Manufacturing facility is ISO 9001:2008
                    Unit of Measure
                    
               
        
            | Units Per Package | N/A 1 | 
| Size | N/A 4" | 
| Material | N/A Galvanized, 250# Cast Iron | 
| A Inches | N/A 10.00 in | 
| B Inches | N/A 7.88 in | 
| C Inches | N/A 1.25 in | 
| D Inches | N/A 1.75 in | 
| Bolt Hole Size | N/A 5/8" | 
| # of Bolt Holes | N/A 8 | 
