Marine Center Type Flanged Butterfly Valve
Technical Parameter
Nominal diameter: DN50~DN500Nominal pressure: PN1.0-1.6MPa, 5K-16K, 150LbBody material: cast steel, bronze, stainless steel, ductile ironApplicable medium: seawater, fresh water, air, crude oil, refined oilBody type: AF type, BF type, CF type, DF type, QF type, YF typeWorking temperature: -40°C~170°CConnection form: flangeDrive type: handle type, worm gear type, spiral type, hydraulic type
Product Detail
Main external connection dimensions
| Nominal Pressure(Mpa) | Nominal Diameter(mm) | Center-pivoted flanged butterfly valve | ||||||||||||||
| AF type | CF type | DF type | QF type | YF type | ||||||||||||
| H | H1 | L1 | H | H1 | L1 | H | H1 | L1 | H | H1 | L1 | H | H1 | L1 | ||
| 1.0 | 50 | 215 | 80 | 235 | 280 | 80 | 160 | 600 | 80 | 200 | 265 | 80 | 75 | 325 | 80 | 156 |
| 65 | 235 | 90 | 235 | 295 | 90 | 160 | 615 | 90 | 200 | 348 | 90 | 75 | 345 | 90 | 156 | |
| 80 | 285 | 120 | 235 | 340 | 120 | 160 | 680 | 120 | 250 | 430 | 120 | 75 | 365 | 120 | 156 | |
| 100 | 315 | 130 | 250 | 360 | 130 | 160 | 700 | 130 | 250 | 475 | 130 | 105 | 405 | 130 | 156 | |
| 125 | 355 | 150 | 300 | 395 | 150 | 160 | 738 | 150 | 300 | 510 | 150 | 105 | 485 | 150 | 156 | |
| 150 | 395 | 165 | 350 | 430 | 165 | 180 | 780 | 165 | 300 | 615 | 165 | 105 | 509 | 165 | 156 | |
| 200 | 485 | 196 | 180 | 845 | 195 | 350 | 670 | 195 | 105 | 622 | 195 | 242 | ||||
| 250 | 570 | 225 | 210 | 940 | 225 | 350 | 775 | 225 | 120 | 698 | 225 | 242 | ||||
| 300 | 630 | 250 | 210 | 995 | 250 | 400 | 830 | 250 | 120 | 794 | 250 | 305 | ||||
| 350 | 730 | 280 | 275 | 1058 | 280 | 400 | 930 | 280 | 140 | 860 | 280 | 305 | ||||
| 400 | 800 | 310 | 275 | 1118 | 310 | 400 | 1000 | 310 | 140 | 908 | 310 | 325 | ||||
| 450 | 875 | 344 | 275 | 1218 | 344 | 275 | 1050 | 395 | 340 | 995 | 344 | 305 | ||||
| 500 | 960 | 382 | 350 | 1288 | 382 | 350 | 1160 | 405 | 380 | 1011 | 382 | 305 | ||||
Nominal Pressure | Nominal Diameter(mm) | Structure&flange dimension (ISO standard) | |||||
| D0 | L | D | D1 | n | M | ||
| 1.0 | 50 | 160 | 43 | 165 | 125 | 4 | M16 |
| 65 | 160 | 46 | 185 | 145 | 4 | M16 | |
| 80 | 160 | 46 | 200 | 160 | 8 | M16 | |
| 100 | 160 | 52 | 220 | 180 | 8 | M16 | |
| 125 | 160 | 56 | 250 | 210 | 8 | M16 | |
| 150 | 220 | 56 | 285 | 240 | 8 | M20 | |
| 200 | 220 | 60 | 340 | 295 | 8 | M20 | |
| 250 | 300 | 68 | 395 | 350 | 12 | M20 | |
| 300 | 300 | 78 | 445 | 400 | 12 | M20 | |
| 350 | 380 | 78 | 505 | 460 | 16 | M20 | |
| 400 | 380 | 102 | 565 | 515 | 16 | M24 | |
| 450 | 380 | 114 | 615 | 565 | 20 | M24 | |
| 500 | 380 | 127 | 670 | 620 | 20 | M24 | |
