Mechanical Gas Flow Meter High-Precision Electronic Digital Display Roots Flowmeter For Natural Gas Oxygen Compressed Air ,Durable Construction

High-Precision Mechanical Gas Flow Meter Professional gas metering, DN15/DN20/DN25 three calibers to meet different needs. Widely used in municipal gas, petrochemical, industrial metallurgy, etc. Liquefied natural gas, nitrogen, steam, pipeline gas, etc. Easy to install, horizontal or vertical mounting, light weight and threaded connections for easy installation. Matching: Filter screws (can effectively filter pipe impurities).