round shutter valve
technical parameter
product model: dbd/sbd
product specification: dn300~3000mm
nominal pressure: 0.1mpa
applicable temperature: ≤300°c
leakage rate: ordinary type ≤3%, low leakage rate ≤1%
applicable medium: air, flue gas, dust-containing gas, flammable gas, etc.
flange standard: gb/t9115-98
connection size: gb2555-81pn2.5
testing standard: gb/t13927-92
product usage
the circular louver valve can be used for ventilation and adjustment equipment on the ventilation and dust removal pipeline. it is mainly used for ventilation, dust removal and environmental protection in metallurgy, mining, cement, chemical industry, power generation and other industries. it has the characteristics of light weight, small flow resistance, simple structure and flexible opening and closing.
the main technical parameters
operating temperature | -30～250℃ | use ambient temperature | electric actuator: 10～5℃ | |
nominal pressure | 0.1mpa | servo amplifier: 0～45℃ | ||
input signal | 0～10ma or 4～20ma | ambient relative humidity | electric actuator: ≤95% | |
voltage | 220v 50hz | servo amplifier: ≤85% | ||
dead zone | ≤0.8% | material | body/disc | q235-a |
return difference | ≤2.5% | axis | 20cr13 | |
basic error | ±2.5% | packing | teflon | |
main external dimensions
| dn | d | d1 | l | l1 | l2 | b | n-d | fan | wt(kg) |
| 280 | 324 | 306 | 160 | 570 | 300 | 8 | 8-φ10 | 4-72 | 60 |
| 320 | 367 | 350 | 180 | 610 | 16-φ7 | 70 | |||
| 360 | 416 | 394 | 650 | 82 | |||||
| 450 | 512 | 490 | 780 | 365 | 16-φ10 | 95 | |||
| 500 | 572 | 550 | 200 | 835 | 125 | ||||
| 600 | 676 | 650 | 860 | 155 | |||||
| 180 | 230 | 205 | 160 | 465 | 275 | 8-φ7 | 9-19 9-26 | 210 | |
| 200 | 250 | 225 | 485 | 35 | |||||
| 224 | 284 | 254 | 510 | 45 | |||||
| 250 | 310 | 280 | 535 | 8-φ10 | 9-19 9-26 | 60 | |||
| 280 | 360 | 320 | 565 | 75 | |||||
| 315 | 395 | 355 | 180 | 650 | 365 | 125 | |||
| 355 | 435 | 395 | 690 | 140 | |||||
| 400 | 500 | 450 | 735 | 8-φ12 | 170 | ||||
| 450 | 550 | 500 | 780 | 210 | |||||
| 500 | 620 | 560 | 200 | 900 | 425 | 12-φ12 | 230 | ||
| 560 | 680 | 620 | 1000 | 10 | 260 | ||||
| 630 | 750 | 690 | 1070 | 320 | |||||
| 710 | 830 | 770 | 1150 | 16-φ12 | 375 | ||||
| 800 | 920 | 860 | 260 | 1240 | 9-26 | 475 | |||
| 900 | 1040 | 970 | 1340 | 16-φ15 | 525 | ||||
| 1000 | 1110 | 1065 | 1440 | 4-27 y5-48 | 645 | ||||
| 1110 | 1220 | 1170 | 1650 | 12 | 20-φ15 | 670 | |||
| 1120 | 1250 | 1190 | 280 | 1660 | 480 | 770 | |||
| 1200 | 1330 | 1270 | 1740 | 24-φ15 | g/y-73 | 870 | |||
| 1400 | 1520 | 1470 | 320 | 1940 | 640 | 970 | |||
| 1600 | 1700 | 1660 | 2140 | 28-φ19 | 1170 | ||||
| 1800 | 1900 | 1860 | 420 | 2340 | 14 | 1270 | |||
| 2000 | 2122 | 2060 | 2540 | 1350 | |||||
| 2200 | 2300 | 2260 | 450 | 2740 | 36-φ19 | g/y-73-14 | 1590 | ||
| 2500 | 2600 | 2560 | 3040 | 1990 | |||||
| 2800 | 2900 | 2860 | 500 | 3340 | 2890 |