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Ventilation valves and vacuum breaker valves
with flanged or threaded ends
 
Material:   cast iron   GG-25   (EN-JL 1040)
   
   
  ductile cast iron   GGG-40.3   (EN-JS 1049)
     
   
    cast steel   RSt37-2   (1.0038)
       
   
    steel   GS-C25   (1.0619)
       
   
    stainless steel casting       (1.4408)
     
   
    stainless steel       (1.4571)
     
   
nominal diameter:   DN 3/4" - 2", DN 20 - 300
           
nominal pressure:   PN 10 - 40        
Ventilation valvesVentilation valves