... durability 2,Convenient installation and maintenance and Intelligent Vortex Flow Meter Built in Piezocrystal Simple Structure Long Service Life Wide Application ... be widely used to measure volumetric flow of overheated & saturated steam, compressed air & general gas, water and fluid etc. Technical ... .33% (liquid); Inserted Type: 0.83% (liquid), 1.00% (gas) Rated Pressure: GB 1.6MPa, 2.5MPa, 4.0MPa, 6 ...