Constant volume flow control
VFCS
Size | Width(mm) | Height(mm) | B1(mm) | B2(mm) | H1(mm) | H2(mm) | m(kg) |
200×100 | 200 | 100 | 234 | 276 | 134 | 176 | 5 |
300×100 | 300 | 100 | 334 | 376 | 134 | 176 | 6 |
300×150 | 300 | 150 | 334 | 376 | 184 | 226 | 7 |
300×200 | 300 | 200 | 334 | 376 | 234 | 276 | 7 |
400×200 | 400 | 200 | 434 | 476 | 234 | 276 | 9 |
400×250 | 400 | 250 | 434 | 476 | 284 | 326 | 10 |
400×300 | 400 | 300 | 434 | 476 | 334 | 376 | 12 |
400×400 | 400 | 400 | 434 | 476 | 434 | 476 | 18 |
500×200 | 500 | 200 | 534 | 576 | 234 | 276 | 11 |
500×250 | 500 | 250 | 534 | 576 | 284 | 326 | 12 |
500×300 | 500 | 300 | 534 | 576 | 334 | 376 | 13 |
500×400 | 500 | 400 | 534 | 576 | 434 | 476 | 18 |
500×500 | 500 | 500 | 534 | 576 | 534 | 576 | 19 |
600×200 | 600 | 200 | 634 | 676 | 234 | 276 | 13 |
600×250 | 600 | 250 | 634 | 676 | 284 | 326 | 14 |
600×300 | 600 | 300 | 634 | 676 | 334 | 376 | 15 |
600×400 | 600 | 400 | 634 | 676 | 434 | 476 | 18 |
600×500 | 600 | 500 | 634 | 676 | 534 | 576 | 19 |
600×600 | 600 | 600 | 634 | 676 | 536 | 676 | 20 |
Feature Mechanical system-powered, without external power supply Suitable for supply or extract air volume flow range 4:1 Flow rate adjustment using pointer on external scale,scale accuracy approximately ±4% Differential pressure range 50 to 1000 Pa Flow rate adjustment using pointer on external scale The damper blade mechanisms maintenance free Operation temperature range 10°C to 50°C Selection according to nominal size of the duct system low rate adjustment without special tools For more stringent noise requirements the silencer can be used |
