Vanaz R 2301 Industrial Gas Regulator for LPG or Natural Gas Vanaz R 2301 manufacturer and supplier first stage LPG industrial gas pressure regulator valve PRV.These are suitable for gas trains, industrial furnaces, burners and boilers. Also Modified Models Available For Oxygen in Aluminium Bonnet, Brass Body & CS Bonnet For Carbon Dioxide, Brass Body For Medical Oxygen and Brass Bonnet For Ammonia in SS Trim.