| 通径 | L | DN | DN | mm | in. | mm | in. | mm | 32 | 1.25 | 25 | 1 | 150 | 40 | 1.50 | 25 | 1 | 150 | 40 | 1.50 | 32 | 1.25 | 150 | 50 | 2 | 25 | 1 | 150 | 50 | 2 | 40 | 1.50 | 150 | 65 | 2.50 | 40 | 1.50 | 150 | 65 | 2.50 | 50 | 2 | 150 | 80 | 3 | 40 | 1.50 | 150 | 80 | 3 | 50 | 2 | 150 | 100 | 4 | 50 | 2 | 150 | 100 | 4 | 80 | 3 | 150 | | | | 通径 | L | DN | DN | mm | in. | mm | in. | mm | 125 | 5 | 80 | 3 | 150 | 125 | 5 | 100 | 4 | 150 | 150 | 6 | 80 | 3 | 300 | 150 | 6 | 100 | 4 | 150 | 200 | 8 | 100 | 4 | 300 | 200 | 8 | 150 | 6 | 150 | 250 | 10 | 150 | 6 | 300 | 250 | 10 | 200 | 8 | 150 | 300 | 12 | 200 | 8 | 300 | 300 | 12 | 250 | 10 | 150 | | | | | | | |