Description
The AR (Annovi Reverberi) Kit 2871 is the complete check valve replacement set for the SXW and SXWA series industrial plunger pumps. These series are typically high-flow, high-pressure units used in heavy-duty commercial environments, and the 2871 kit is the primary fix for “pulsing” or pressure loss issues.
Since the SXW series often powers multi-gun systems or large-scale cleaning rigs, these valves are under immense mechanical stress. This kit replaces all six internal valves to ensure the pump’s suction and discharge cycles remain perfectly synchronized.





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