Numerous examples of testing the usage status of KM seals by item are published!
We would like to introduce a case study using the KM Seal from Kyoritsu Sangyo Co., Ltd., a specialized manufacturer of rubber products. The KM Seal features a sealing lip that incorporates a garter spring within a double thin film of tetrafluoroethylene resin filled with fillers, and it is held in place by an outer metal oil seal. This document includes examples of usage conditions for the KM Seal, as well as test cases categorized by parameters such as rotational speed and pressure. 【Case Studies Included】 ■ Company B (KM20) ■ Conventional: Oil Seal (FKM, NBR) ■ Usage Conditions: Continuous for 6 months, test completed. No leaks. ■ Remarks: - For vacuum pumps. Continuous test for 6 months, no leaks. - Shaft friction depth: 0.05mm, residual tightening allowance: 1.1mm, no issues with further continued use. *For more details, please refer to the document or feel free to contact us.
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【Other Case Studies】 ■ Company E (KM38) ■ Conventional: Oil seal (PTFE, domestic product) ■ Usage: Approximately 2 years without leakage (market) ■ Remarks: For tank truck pumps ■ Company J (KM55) ■ Conventional: Mechanical seal ■ Usage: Approximately 1 year without leakage, ongoing (market) ■ Remarks: For chemical mixers ■ Company L (KM105) ■ Conventional: Oil seal (imported PTFE) ■ Usage: Approximately 1 year without leakage (market) ■ Remarks: For blowers *For more details, please refer to the materials or feel free to contact us.
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