Vacuum ventilating valve type 34 DN ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ KVS- value ^ m3/h, temperature max ^ adjustable differential pressure ^ bar connection flange PN ^ DIN ^ body made of ^ with ^ seal made of ^ spring cap made of brass Vacuum ventilating valve type 35 G ^ A ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ KVS-value/cv value ^ m3/h / U.S. GALL/min, temperature max ^ adjustable differential pressure ^ bar with ^ seal made of ^ body PN ^ made of ^ screwed male end G ^ A spring cap made of ^ Vacuum ventilating valve type 36 G ^ A ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ KVS-value/cv value ^ m3/h / U.S. GALL/min, temperature max ^ adjusted to light vacuum with ^ seal made of ^ body PN ^ made of ^ srewed male end G ^ A with uncovered spring