Ball Valve Cv Values

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Round port ball valves. V port ball valves flow rate cv.

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This is used as a guide and is not a linear progression.

Ball valve cv values. Cv flow coefficients of ball valve. Select a valve which offers calculated cv for the minimum and maximum flow between 30 to 80 of port opening. 3 quality ringo válvulas is totally commited to quality and a smooth integration of all departments with the quality assurance and quality procedures.

K v is the metric value of c v and is calculated as k v c v x 0 85. Butterfly valves typical flow coefficients c v butterfly valves and. The coefficient of flow or c v value is the number of us gallons of water the valve will pass with a differential pressure of 1psi through the valve at 60f.

C v varies with both style and size of valve but provides an index for comparing liquid. The values below are given by emerson for v notch ball valves and can be used in basic design to have a rough idea of the size of the valve to select. Cv value is an imperial measure of flow in us gallons per minute of water at 60 fahrenheit with a pressure drop of 1 psi across the valve.

Nosuch6 wp march 2 2017 0. V port ball valves flow rate cv. Select the valve type flanged threaded or welded and materials of construction.

Flow parameters of ball valves. It is used to determine the appropriate sizing of the valve as well as evaluating the flow kinetic energy in regards with process and piping integrity. Full bore ball valve cv vs angle for different diamters 1 2 3 4 0 0.

Ball valve type 21 type 21α water ball valve 3 way ball valve type 23 0 50 100 cv value opening degree 0 10 20 30 40 50 60 70 80 90 100 resultant cv value 0 50 100 cv value opening degree 0 10 20 30 40 50 60 70 80 90 100 0 50 100 cv value opening degree 0 10 20 30 40 50 60 70 80 90 100 direction a c direction a b 0 50 100 cv value. Cv value is an imperial measure of flow in us gallons per minute of water at 60 fahrenheit with a pressure drop of 1 psi across the valve. The below cv values are used to give an indication of flow rates for ball valves.

Valtorc recommends rtfe valve seats for v ball control valve applications. Ringo válvulas is qualified to iso 9001 2000 by lloyd s register as. Segmented ball valves or v notch ball valves also exist.

Ball valve floating type for reduce and full bore. Flow coefficient normally expressed as cv or kv depending on the countries. 21 09 manufacturing range.

Control valves control valve terminology bodies trim flow characteristics cv and kv sizing noise actuators and positioners. The below cv values are used to give an indication of flow rates for ball valves. 08 ball valve cv values.

2500 6 8 10 12 0 0. This is used as a guide and is not a linear progression. Flow coefficient cv or kv value.

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