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Feature:
Design standard:GB/T1 2237-1 989,DIN 3357/1,API 608
Flange standard:GB/T911 31,JB/T 79,DIN 3202,JISB2002,ASME B1610
Structural standard: GB/T1 2221 -1 989,DIN3202,JIS2002,ASME B1610
Test atandard:GB/T 13927,DIN 3230/3,API598,JIS B 2003
Main dimensions(JIS-10k)
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L | 150 | 160 | 180 | 200 | 220 | 240 | 260 | 280 | 320 | 380 | 440 | 550 | 670 | 720 |
| D | 95 | 100 | 125 | 135 | 140 | 155 | 175 | 185 | 210 | 250 | 280 | 330 | 400 | 445 |
| D1 | 70 | 75 | 90 | 100 | 105 | 120 | 140 | 150 | 175 | 210 | 240 | 290 | 355 | 400 |
| Z-d | 4*15 | 4*15 | 4*19 | 4*19 | 4*19 | 4*19 | 4*19 | 8*19 | 8*19 | 8*23 | 2*23 | 12*23 | 12*25 | 16*25 |
