Size | DIN standard | ANSI/SCH80 standard | JIS standard | CNS standard | BS standard | ||||
OD | OD | OD | OD | OD | OD | ||||
3/8" | 16±0.2 | 17.14±0.1 | 18±0.2 | 18±0.2 | |||||
1/2" | DN15 | 20±0.2 | 21.33±0.10 | 22±0.2 | 16A | 22±0.2 | 21.2-21.50 | ||
3/4" | DN20 | 25±0.2 | 26.65±0.10 | 26±0.2 | 20A | 26±0.2 | 26.6-26.90 | ||
1" | DN25 | 32±0.2 | 33.40±0.13 | 32±0.3 | 25A | 34±0.3 | 33.4-33.70 | ||
1-1/4" | DN32 | 40±0.2 | 42.20±0.13 | 38±0.3 | 30A | 42±0.3 | 42.1-42.40 | ||
1-1/2” | DN40 | 50±0.2 | 48.25±0.15 | 48±0.4 | 40A | 48±0.4 | 48.1-48.40 | ||
2" | DN50 | 63±0.3 | 60.30±0.15 | 60±0.5 | 50A | 60±0.5 | 60.1-60.50 | ||
2-1/2" | DN65 | 75±0.3 | 73.00±0.18 | 76±0.5 | 65A | 76±0.5 | 75.1-75.50 | ||
3" | DN80 | 90±0.3 | 88.90±0.20 | 89±0.5 | 75A | 89±0.5 | 88.7-89.10 | ||
4” | DN100 | 110±0.3 | 114.30± 0.23 | 114±0.6 | 100A | 114±0.6 | 114.1- | ||
5” | DN125 | 140±0.4 | 141.30±0.23 | 140±0.8 | 125A | 140±0.8 | - | ||
6” | DN150 | 160±0.4 | 168.30± 0.28 | 165±1.0 | 150A | 165±1.0 | 168-168.50 | ||
8" | DN200 | 225±0.5 | 219.08± 0.38 | 216±1.3 | 200A | 216±1.3 | 218.8- | ||
10" | DN250 | 250±0.5 | 273.05 ±0.38 | 267±1.6 | 250A | 267±1.6 | - | ||
12" | DN300 | 315±0.5 | 323.85±0.38 | 318±1.9 | 300A | 318±1.9 | - |