VISUAL FLOW INDICATORS WITH WINDOW AND EXTERNAL RETURN
VISUAL FLOW INDICATORS WITH WINDOW AND EXTERNAL RETURN “W” These are flow indicators for the visual control of liquids in industrial process and for the external mechanical detection of very dirty liquids. They are produced in different materials, with freeflow mobile blade pointer. The connections can be axial, either threaded or flanged.
Maximum working pressure: 10 bars
The can be produced, on request, for PN16, PN25, Pn40. They can be only be mounted on horizontal pipe.
Accurancy: ±10%
CHARACTERISTICS
| Employment | Liquid or gas |
| Accuracy | ±10% del f.s. |
| Maximum pressure | 16 bar |
| Maximum temperature | 120° C |
| Blade | Depend to the structure material |
| Gasket | Buna – S |
| Window | Borosilicate glass |
TECHNICAL DRAWING/DETAIL
OPTIONALS
- PTFE gasket for temperature up to 200°C
- External mechanical return
STANDARD FLOW RATES FOR WATER 20 ° C
| TYPE | MAX FLOW M3/h | A | Flanged DN |
Screwed “gas |
| W-40 | 12 | 260 | 40 | 1″1/2 |
| W-50 | 20 | 280 | 50 | 2″ |
| W-64 | 40 | 300 | 65 | 2″1/2 |
| W-80 | 60 | 330 | 80 | 3″ |
| W-100 | 100 | 400 | 100 | 4″ |
| W-125 | 150 | 420 | 125 | 5″ |
| W-150 | 200 | 420 | 150 | 6″ |
| W-200 | 250 | 520 | 200 | 8″ |
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