Valve Cv Calculator Steam

Specific gravity is the mass of a substance to the mass of a reference substance for the same given volume. With maximum flow rate calculated, you can compare control valves from different manufacturers for their efficiency for the same nominal size. You can use the calculator to calculate maximum flow rate through control valve for given pressure drop and known flow coefficient of control valve cv.

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Control valve cv refers to the flow coefficient of the valve.

Valve cv calculator steam. This is our valve c v calculator. The larger this value, the higher the flow rate through the valve will be at a given pressure drop. Flow coefficient of superheated steam calculator.

Paste any url that contains app/, sub/, bundle/, or /depot to be redirected to the relevant page. Online calculator to quickly determine valve and orifice cv & kvs values for steam. This calculator can be used to help select a valve with enough flow capacity for a given application.

Please use this form to help select the correct valve for your application. C v = c v_ saturated (0.95) 1/2 = 0.97 c v_saturated. W s = mass of steam.

Saturated steam flow through a control valve. The cv was designed for use with liquid flows, it expresses the flow in gallons per minute of 60º f water with a pressure drop across the valve of 1 psi. Kv value of the valve desirable volumetric flow.

It is the flow of water q in m3/h measured at 4°c (density = 1000kg/m3) for a pressure loss of 1 bar, passes through the valve considered as entirely open. All times on the site are utc. This might be useful if valve cv calculations need to be made at several flow rates, when only p1 and p2 are known at the maximum and minimum design flow rates.

Use the selection as a guide only. Flow coefficient is an imperial measurement and is defined as: For steam with moisture content 5% the dryness fraction can be calculated as: