American standard swing check valve

American Standard Swing Check Valve
American Standard Swing Check Valve The flange-connected swing check valve is suitable for various working conditions such as nominal pressure and operating temperature of ℃ in the petrochemical, pharmaceutical, fertilizer, electric power industry, etc. on the pipeline. Applicable media are water, oil, steam, acidic media, etc.
Check valve ( ) Check valve is also called one-way valve or check valve. Its function is to prevent the medium in the pipeline from flowing back. The bottom valve of the water pump suction valve also belongs to the check valve category
The opening and closing parts open or close by themselves depending on the flow and force of the medium to prevent the backflow of the medium is called a check valve. Check valves are automatic valves and are mainly used on pipelines with one-way flow of media. They only allow the medium to flow in one direction to prevent accidents
Check valves can be divided into lift check valves according to their structure. There are three types of swing check valves and butterfly check valves. Lift check valves can be divided into two types: vertical and horizontal. Swing check valves are divided into three types: single-disc, double-disc and multi-disc. The butterfly check valve is a straight-through type. The connection forms of the above check valves can be divided into three types: threaded connection, flange connection and welding.