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The design requirements of central butterfly valve shall meet GB /T3037-2005
This product is suitable for intercepting and regulating flow in pipelines with chemical solvent media
such as fresh water, sea water and oil at -10℃-120℃.
(Order after consulting with special requirements)
Butterfly valve material: Valve body: cast steel, ductile iron, tin bronze, stainless steel
Valve plate: stainless steel, aluminum bronze
Stem: stainless steel
Seal: NBR, EPDM, PTFE
Dimensional drawing
Appearance and connection dimensions
| diameter | Valve structure size | flange | top flange | ||||||||||||||
GB2506-2005 PN10 | JIS 10K | IS05211 | |||||||||||||||
H1 | H2 | L | D | D1 | n | d0 | D | D1 | n | d0 | H | ø | 0D | PCD | b | n1-d1 | |
DN80 | 130 | 181 | 64 | 200 | 160 | 4(8) | M16 | 185 | 150 | 4(8) | M16 | 30 | 18 | 90 | 70 | 6 | 4-φ10 |
DN100 | 145 | 195 | 64 | 220 | 180 | 4(8) | M16 | 210 | 175 | 4(8) | M16 | 30 | 18 | 90 | 70 | 6 | 4-φ10 |
DN125 | 165 | 215 | 70 | 250 | 210 | 4(8) | M16 | 250 | 210 | 4(8) | M20 | 30 | 18 | 90 | 70 | 6 | 4-φ10 |
DN150 | 185 | 235 | 76 | 285 | 240 | 4(8) | M20 | 280 | 240 | 4(8) | M20 | 30 | 18 | 90 | 70 | 6 | 4-φ10 |
DN200 | 210 | 265 | 89 | 340 | 295 | 4(8) | M20 | 330 | 290 | 4(12) | M20 | 45 | 22 | 125 | 102 | 8 | 4-φ12 |
DN250 | 250 | 320 | 114 | 395 | 350 | 4(12) | M20 | 400 | 355 | 4(12) | M22 | 50 | 28 | 125 | 102 | 10 | 4-φ12 |
DN300 | 275 | 350 | 114 | 445 | 400 | 4(12) | M20 | 445 | 400 | 4(16) | M22 | 65 | 36 | 150 | 125 | 10 | 4-φ14 |
DN350 | 305 | 400 | 127 | 505 | 460 | 4(16) | M20 | 490 | 445 | 4(16) | M22 | 65 | 36 | 150 | 125 | 10 | 4-φ14 |
DN400 | 340 | 430 | 140 | 565 | 515 | 4(16) | M24 | 560 | 510 | 4(16) | M24 | 70 | 42 | 175 | 140 | 12 | 4-φ18 |
DN450 | 380 | 455 | 152 | 615 | 565 | 4(20) | M24 | 620 | 565 | 4(20) | M24 | 70 | 42 | 175 | 140 | 12 | 4-φ18 |
DN500 | 405 | 500 | 152 | 670 | 620 | 4(20) | M24 | 675 | 620 | 4(20) | M24 | 80 | 50 | 210 | 165 | 16 | 4-φ22 |
DN600 | 475 | 570 | 178 | 780 | 725 | 4(20) | M27 | 795 | 730 | 4(24) | M30 | 80 | 50 | 210 | 165 | 16 | 4-φ22 |
DN700 | 535 | 670 | 229 | 895 | 840 | 4(24) | M27 | 905 | 840 | 4(24) | M30 | 115 | 60 | 300 | 254 | 18 | 8-ø18 |
DN800 | 600 | 760 | 241 | 1015 | 950 | 4(24) | M27 | 1020 | 950 | 4(28) | M30 | 115 | 60 | 300 | 254 | 18 | 8-φ18 |
