Sicherheitstechnik

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Extensive database of common safety valve manufacturers for fast automatic selection
Calculation of generic safety valves according to API 526.
Calculation of two-phase media at the inlet and flashing liquids according to ISO 4126-10 and API 520 - optionally by the ω method or by direct integration
Determination of the mass flow to be discharged in accordance with API 521
- in fire case (vapor formation, liquid expansion)
- of thermal expansion of liquids in blocked systems (heat exchangers, tank, pipelines)
Determination of pressure losses in the feeding and discharge pipe as well as the consideration of installations and their flow resistances
Calculation of the built-up back pressure of the discharge system with up to four pipe extensions in accordance with ISO 4126-9
Calculation of the banking-up pressure at the valve outlet with supercritical gas flow
Noise prediction for gases and calculation of reaction forces according to ISO 4126:9
Graphic display of the corrections for the discharge coefficient for back pressure and lift stop
Consideration of upstream rupture discs
Temperature and material-dependent maximum pressure determination for the valve per pressure rating according to:
- EN 1092-1
- ASME B16.5
- API 526

Sizing and calculation of rupture discs according to the flow resistance method and the coefficient of discharge coefficient method.
Calculation of the maximum allowable working pressure in consideration of the maximum working pressure, manufacturer range, burst tolerance, backpressure and maximum pressure operating ratio. Rough estimate of the temperature dependency of the burst pressure.
Calculation of two-phase media at the inlet and flashing liquids according to ISO 4126-10 and API 520 - optionally by the ω method or by direct integration
Rupture discs can be selected form a database, filtered by size, conditions, temperature and pressure limits.

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