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Non return valves - 11 BIS

*
*(DN15-20-25)

11 BIS
flats and house individual water supply
female/female
Description :
  • MAXIMUM UPSTREAM PRESSURE 25 bar θ 80░C
  • Downstream setting : 1 to 5.5 bar (indicative value according to EN1567 standard)
  • Possibility of assembly of compensating spring to obtain settings at 0.5 bar
  • With 1/4'' plugs on both sides to allow pressure gauge connection
  • Pre-set at 3 bar
  • CASING : bronze
  • SEAT : stainless steel DN 15 and 20
  • female/female
DNRef.
15149B7056
20149B7057
25149B7314
32149B7549
40149B7558
50149B7561
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