仪表口径（mm）液体测量范围（m3/h）气体测量范围（m3/h）DN151.2-6.25-25DN201.5-108-50DN251.6-1610-120DN321.9-1915-150DN402.5-2622-220DN503.5-3836-320DN656.2-6550-480DN8010-10070-640DN10015-150130-1100DN12525-250200-1700DN15036-380280-2240DN20062-650580-4960DN250140-1400970-8000DN300200-20001380-11000)