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La différence maximale admissible entre la pression absolue du fluide au niveau de l’orifice d’entrée et la pression absolue ambiante. Calcul : limité par les mêmes facteurs que pour la pression maximale de service autorisée (PMSA).
Pression maximale admissible d’entrée
What is maximum allowable inlet pressure (MASP)?
Maximum allowable inlet pressure, also known as maximum allowable suction pressure (MASP), is the maximum allowable difference between the absolute pressure of the fluid at the inlet port and the absolute ambient pressure.
How to calculate maximum allowable inlet pressure?
Maximum allowable inlet pressure can be established as the lowest pressure limit of the following 3 components:
1) Shaft Seal
2) Joint Seals
3) Port Connections
Why is knowing maximum allowable inlet pressure important?
Knowing the maximum allowable inlet pressure is important so that the pump is operated safely. Exceeding the MASP can lead to damaging the pump or system.
February 11, 2025