Type and Construction
The solid weld neck flanges are in accordance with EEMUA 234, Section 3 for 16 and 20 bar systems. The range of sizes covered is ½ in./ 16 mm to 36 in./914 mm Class 150. Other sizes are available on request. Drilling and outside diameter dimensions of flange sizes ½ in./16 mm-24 in./610 mm are in accordance with ANSI B16.5 and BS 1560, whereas the larger sizes, 28 in./711 mm -36 in./914 mm are in accordance with MSS SP-44. The recommended bolting is in accordance with ASTM B150 alloy UNS C63000.
Dimensions are based on EEMUA -234, Section 3, Table 3.2-3.3.
The tolerances are based on EEMUA – 234, Section 3, Table 3.4.