1. Producing excellent high quality bonded seals (washers).
2. Focusing on creating value for its customers by providing outstanding technical and manufacturing services.
3. For more information of valve stem seals and bonded seals (washers), please don't hesitate to contact AOK.
4. Materials base on NBR80 + Low carbon steel zinc plated Cr III, thickness 5 u.
Parts No.- AOK NO.-ID x OD x H. 1. #301-W2070 - 3.6 x 7.5 x 1. 2. #302-W2187 - 4.6 x 9 x 1. 3. #303-W2071 - 5.6 x 10 x 1. 4. #304-W2188 - 6.6 x 11 x 1. 5. #306-W2128 - 7 x 11.4 x 1. 6. #307-W2115 - 8.6 x 13 x 1. 7. #310-W2037 - 10.7 x 17 x 1.5. 8. #312-W2116 - 11.8 x 18.1 x 1.5. 9. #313-W2108 - 12.7 x 19 x 1.5. 10. #315-W2120 - 13.8 x 20.1 x 1.5. 11. #316-W2121 - 14.7 x 21 x 1.5. 12. #317-W2129 - 16.7 x 23 x 1.5. 13. #320-W2136 - 18.7 x 27 x 2. 14. #321-W2124 - 20.7 x 29 x 2. 15. #323-W2172 - 21.7 x 30 x 2. 16. #324-W2144 - 22.7 x 31 x 2. 17. #325-W2192 - 23.7 x 32 x 2. 18. #326-W2145 - 24.7 x 33 x 2. 19. #327-W2193 - 27 x 35.3 x 2. 20. #329-W2162 - 28.6 x 36 x 2. 21. #332-W2105 - 33.7 x 42 x 2. 22. #335-W2177 - 43 x 54 x 2.5.