PTFE valve seat gasket for MINIBOXER pump. Spare parts for DEBEM pumps: BOXER, MICROBOXER, FPC 100, MINIBOXER. 1. O-ring seals - PTFE, EPDM, NBR, VITON 2. Ball seat - PP, PVDF, AISI 316, ALU, HMWHDPE, PPS-V 3. Balls - PTFE, EPDM. AISI 316, NBR 4. Seat washer - PP, PVDF, AISI 316, ALU, HMWHDPE, PPS-V 5. Plug - PP, PVDF, AISI 316, ALU, HMWHDPE, PPS-V 6. Outer diaphragm (liquid side) - PTFE 7. Inner membrane (air side) - HYTREL, SANTOPRENE, NBR, EPDM AISI 316, ALU 13. Spacer 14. Washer 15. Plug 16. Manifold - PP, PVDF, AISI 316, ALU