: Sets limits on pressure pulsations to prevent fatigue failure in piping. It often requires Acoustic Simulation (Analog or Digital) to predict how gas pulses will behave within the system.
| Annex | Content | When Important | |-------|---------|----------------| | (normative) | Data sheets (compressor, driver, scrubber, cooler) | Always – mandatory for ordering | | Annex B (normative) | Shop performance test procedure | If test is required | | Annex D (informative) | Pulsation and acoustic analysis guidelines | For high-speed or multiple-stage units | api 11p pdf
Suction scrubbers, pulsation dampeners, and separators. : Sets limits on pressure pulsations to prevent