Industrial SWR0509309 509309 API-7 SER 04 Valve Seat

The SWR0509309 valve seat is an API-7, SER 04, four-web valve seat from Southwest Oilfield Products (SWR), designed for API-7 mud pump valve assemblies. It belongs to SWR’s valve, seat and spring family and is listed alongside other API-7 components such as SWR0500110, SWR0514299 and SWR0513744, indicating its role in a standard four-web valve configuration. The SER 04 designation identifies its specific fit within SWR's four-web seating lineup, optimized to work with standard valve inserts to form a reliable seal in high-pressure mud pumping operations. This part is commonly used as a spare for maintenance and field replacements in oilfield mud pumps, aligning with SWR's API-7 product range.