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Gamme WattsPressure reducing valves - 11 DO
*
*(DN15-20-25)
11 DO
flats and house individual water supply
male/male
Description :
- MAXIMUM UPSTREAM PRESSURE 25 bar θ 80°C
- Downstream setting : 1 to 5.5 bar (indicative value according to EN1567 standard)
- Equipped with 2 plugs 1/4” on each side to allow the mounting of a pressure gauge and 2 fittings removables
- Pre-set at 3 bar
- CASING : bronze
- COVER : Bronze
- SEAT : stainless steel DN 15 and 20
| DN | PFA | PS | Cat | Ref. | Kg | |||||
| " | mm | bar | L1 | L2 | G1 | G2 | Water | Other fluids | ||
| 1/2 | 15 | 25 | 25 | 25 | x | 25 | 4.3 | 149B7640 | 149B7774 | 0,900 |
| 3/4 | 20 | 25 | 25 | 25 | x | 25 | 4.3 | 149B7641 | 149B7775 | 1,300 |
| 1 | 25 | 25 | 25 | 25 | x | 25 | 4.3 | 149B7228 | 149B7776 | 2,500 |
| 1 1/4 | 32 | 25 | 25 | 25 | x | 25 | 4.3 | 149B7550 | 149B7777 | 4,600 |
| 1 1/2 | 40 | 25 | 25 | 25 | x | 25 | 4.3 | 149B7559 | 149B7778 | 5,000 |
| 2 | 50 | 25 | 25 | 25 | x | 25 | 4.3 | 149B7562 | 149B7779 | 5,500 |
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