152311 ⎘
Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side; Equalising valves predominantly for tanks with closure member in the form of a movable liquid column
LIQUID FILLED PRESSURE/VACUUM VALVE FOR PETROLEUM UNDERGROUND STORAGE TANKS
#2Device for a Liquid Lock for a Fermentation Receptacle for Biological Material
#3In valves
#4BOTTLE TRAP WITH INTEGRAL GAS SEAL
#5Liquid filled pressure/vacuum valve for petroleum underground storage tanks
#6Liquid seal for recovering flared gas