• Calculation of the Cv value, total flow and upstream and downstream pressures.
• Calculation of frequency-dependent sound pressure levels in accordance with the IEC 60534-8-3/4. Noise calculations according to the VDMA 24422 from 1979 and 1989 are still possible.
• Calculation of the installed flow characteristics with graphical optimization - including for reducers, viscosity correction and downstream resistance structures.
• Precisely mapping of standard valves thanks to a comprehensive library of valve modifiers or direct selection of the valve from a manufacturer-specific valve database.

• Calculation and optimization of control valves with noise prediction and characteristics.
• Calculation of liquids with vapour portion.
• Calculation of liquid/gas mixtures.

Calculation for designing steam conditioning valves and the associated injection valve.

The required cooling water flow rate is first of all determined on the basis of the steam-converting valve, then a suitable injection valve is calculated taking account of the injection nozzle.

This program module calculates the forces that must be produced by actuators in order to guarantee reliable functioning of the control valve. The following actuator forces are calculated:

• Min. closing force (closed position), Fs0
• Min. opening force (closed position), Fo0
• Min. opening force (open position), Fo100
• Min. closing force (open position), Fs100
• Min. stability force (flow in closing direction)

• Calculations optionally according to:
• VDI/VDE 2040/2041
• ISO 5167-1 of 02.80 (DIN 1952/07.82)
• ISO 5167-1 of 1995 (DIN 1952/09.92)
• ISO 5167-1 of 1995 / A1 of 1998
• ISO 5167 of 2003
• Instructions concerning conformance with standards provided by an expert support system.
• Calculation of measurement uncertainties.
• Calculations also for humid gases and non-standard differential pressure transmitters.
• Calculations of nozzles in accordance with ASM PTC 6-1996.
• Calculations of pitot tubes with selection from an extensible equipment database.

• Calculation of the internal diameter, differential pressure, volumetric flow and mass flow rate.
• Calculation of the energy balance (power loss) and the sound pressure level.

• Individual calculations for pipes, partial resistances, geodetic height and energy balance.
• Graphical support.

• Calculation for single-run piping systems which end with a control valve, as a function of the closing time and the valve characteristic.
• Valve database and graphical support.

• Calculation of basic values, such as the surface area, volume, flow velocity and Joukowsky peak.

• Calculations according to:
• EN 13480:2002
• DIN 2413:1993
• DIN 2413:1972
• Pipe bends with or without a constant wall thickness can be calculated for pulsating and static loads in addition to straight pipes.
• Pipe materials in accordance with EN 13480:2002 can be selected from a user extensible Material Database and you can also calculate all relevant parameters, such as tensile strength, creep rupture strength and yield strength.

• Calculations for L and U-bends, changes in length, pipe support loads and stress limits.

• Calculation of the individual weights (pipe, medium, insulation).
• Span calculation taking account of sag.
• Pipe materials in accordance with EN 13480:2002 can be selected from a user extensible Material Database.

• Extensible database containing the properties of approximately 180 industrial heat transfer media included in the package.

• Design with calculation of the heat transfer coefficient and the heat balance.
• Recalculation by entering the geometry data and calculating the heat transfer coefficient.

• Calculation of the heat balance, actual heat exchanged, pressure loss, thermal characteristic and flow velocities at the nozzle.

• Calculations optionally according to:
• ISO 4126:2004
• AD 2000 Specification A2
• Calculation of the pressure losses in the feeding and discharge pipes as well as the reaction forces.
• Database containing the most common safety valve manufacturers for fast, automatic selection.

• Simulation of contraction and depressurization in one or two tanks by means of a control valve.
• Influence of pressure regulators.
• Graphical functions for depressurization time, pressure losses in the pipe, noise emissions and operating pressures in the system.

• Power input of pumps and fans.
• Recommendations for standard motors.

• Thermodynamic calculation of Natural Gas according to AGA-8. The composite of the gas can be defined by the user.
• Calculation of the density, boiling pressure, viscosity, entropy, enthalpy, thermal conductivity, specific heat capacity and enthalpy of evaporation for water and steam in accordance with the steam table IAPWS-IF97.
• Additional option for thermodynamic calculation of more than 60 fluids.
• Pressure and temperature-dependent calculation of the specific volume, density, boiling pressure, dynamic viscosity, compressibility, enthalpy of evaporation, etc. for around 1000 other fluids on the basis of an extensible property database.
• Graphical representation of all calculated quantities in isobars and isotherms.

• Calculation of the design strength values and physical properties of pipe and equipment materials in accordance with EN 13480:2002, including operating limit tests.

• Calculation and graphical optimization of the factors of polynomials as well as spline, logarithmic, power and exponential functions on the basis of measured values.

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