Airlock for bulk material handling
Rotative & double-flap valves
The “double flap” valves
Device based on a casing with 2 flaps acted alternately to ensure an airlock isolation
The ratary valves “premium” series
Rotary valves for basic applications
The SAS rotary valve
Rotary valve is designed for small depressions isolation or dosing purpose
The “self-cleaning” rotary valve
This rotary valve is specifically designed for sticky products purpose, and is equipped with synchronized additional cleaning rotor
Rotary valves speeds:
| Flow rate max | Rate schedule (m3/H) | Installed power | |||
| Type / Diameter | by turn, dm3 | At 20 T/m | weigth | Isolation | Extraction |
| 200 | 4,5 | 5,4 | 70 | 0,75 | 0,75 |
| 250 | 7,9 | 9,5 | 130 | 0,75 | 1,1 |
| 315 | 15,83 | 19 | 155 | 1,1 | 1,5 |
| 400 | 33,33 | 40 | 300 | 1,1 | 2,2 |
| 500 | 67,5 | 81 | 550 | 1,5 | 3 |
| 630 | 135 | 162 | 830 | 1,8 | 4 |
| 800 | 280 | 336 | 1500 | 2,2 | 5,5 |
Double-flaps valve :
| TYPE | Flow m3/H | Power | Weight |
| 200 | 3,8 | 0,55 Kw | 200 |
| 250 | 6,8 | 0,55 Kw | 232 |
| 315 | 13 | 0,55 Kw | 295 |
| 400 | 24 | 0,75 Kw | 375 |
| 400 SR | 40 | 1,5 Kw | 430 |
| 500 | 41 | 1,5 Kw | 460 |
Technical data sheet :
Rotary valves – dimensions :
| Diameter (mm) | A | E | H |
| 160 | 180 | 870 | 250 |
| 200 | 220 | 910 | 315 |
| 250 | 270 | 975 | 400 |
| 315 | 336 | 1180 | 500 |
| 400 | 420 | 1315 | 630 |
| 500 | 524 | 1450 | 800 |
| 630 | 660 | 1725 | 900 |
Double-flaps valves – dimensions :
| Type / Diameter | A (mm) | B | C | D | H | E |
| 200 | 210 | 540 | 450 | 1086 | 560 | 634 |
| 250 | 270 | 590 | 500 | 1100 | 630 | 700 |
| 315 | 336 | 696 | 595 | 1261 | 820 | 900 |
| 400 | 420 | 780 | 684 | 1374 | 1000 | 1029 |
| 400SR | 420×650 | 1010 | 684 | 1708 | 1000 | 1029 |
| 500 | 524 | 884 | 834 | 1606 | 1200 | 1302 |
Characteristics and flow rates are given for information only.
Flow may be variable due to the nature of product and speed of rotation.