Pullman vave,ascension pipe valve,damper,damper valve,gooseneck damper,liquor valve /ENERGY-MINING,INDUSTRY-METAL/
[DE] Steigrohrventil; Vorlagenventil; Vorlageventil
[EN] Pullman vave; ascension pipe valve; damper; damper valve; gooseneck damper; liquor valve
[FR] clapet de colonne montante