The preso model PFA fire pump system is FM approved and features the preso ellipse primary flow sensor. This differential pressure flow meter is designed with a series of ports facing the upstream velocity pressures, as well as flow sensing ports strategically located ahead of the trailing edge flow separation.
Available size (For single support)
Size | Model / sensor (inch) | Support type | Ref. No. |
---|---|---|---|
2″ / DN50 | 1/2″ | Single support | U3301 |
3″ / DN80 | 1/2″ | Single support | U3302 |
4″ / DN100 | 1/2″ | Single support | U3303 |
5″ / DN125 | 1/2″ | Single support | U3304 |
6″ / DN150 | 7/8″ | Single support | U3305 |
8″ / DN200 | 7/8″ | Single support | U3306 |
10″ / DN250 | 7/8″ | Single support | U3307 |
12″ / DN300 | 7/8″ | Single support | U3308 |
14″ / DN350 | 1-1/4″ | Single support | U3309 |
16″ / DN400 | 1-1/4″ | Single support | U3310 |
Available size (For double support)
Size | Model / sensor (inch) | Support type | Ref. No. |
---|---|---|---|
2″ / DN50 | 1/2″ | Double support | U3311* |
3″ / DN80 | 1/2″ | Double support | U3312* |
4″ / DN100 | 1/2″ | Double support | U3313* |
5″ / DN125 | 1/2″ | Double support | U3314* |
6″ / DN150 | 7/8″ | Double support | U3315* |
8″ / DN200 | 7/8″ | Double support | U3316* |
10″ / DN250 | 7/8″ | Double support | U3317* |
12″ / DN300 | 7/8″ | Double support | U3318* |
14″ / DN350 | 1-1/4″ | Double support | U3319* |
16″ / DN400 | 1-1/4″ | Double support | U3320* |