Automatic air release valve for fluids ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ type 1.12 DN ^ x G 3/4 A for water/air, temperature max 80 oC air flow rate ^ Nm3/h at ^ bar differential pressure valve group : 0 - ^ bar inlet flange PN 16,DIN 2633 outlet: male end connection G 3/4 A body PN 16 made of CrNiMo-steel internal parts made of CrNiMo-steel valve closing by soft seal made of FPM float made of ^