The calculation of the built-up back pressure of the discharge pipe with up to four pipe extensions and the pressure loss of the feeding pipe according to ISO 4126-9:2008
Database containing the most common safety valve manufacturers for fast, automatic selection
The calculation of two-phase systems including flashing liquids is according to the Omega Method in API 520:2008
The calculation of reaction forces and the noise level for gases according to ISO 4126:9-2008
Fire case calculation for the subsequent flow according to API 521.
The calculation of an upstream rupture disc is provided.
Aside of the option to select relief valves out of a database with manufacturer devices, there is now an option to select relief valves according to API 526.
Pressure rating for the flanges of the relief valves according to:
Sizing and calculation of rupture discs according to the flow resistance method and the coefficient of discharge 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.
Sizing and calculation is done according to the following standards:
AD 2000-Merkblatt A1
ASME:2004 Section VIII
Rupture discs can be selected form a manufacturer database, filtered by size, conditions, temperature and pressure limits.