共立産業 Product Lineup

The "KM Seal" is an oil seal that encases a stainless steel (SUS304) garter spring with a double-layer Teflon seal lip, held in place by a stainless steel (SUS304) outer reinforcement ring. While it is more affordable than mechanical seals, it features a seal lip that incorporates a garter spring at the contact point with the shaft, ensuring a tight fit between the shaft and the oil seal. Utilizing the tension of the spring, it prevents oil leakage. Due to the pure Teflon's effectiveness in preventing leaks from machining marks, the shaft and oil seal are securely held in a face contact state, enhancing sealing performance and reducing shaft wear. This seal excels in following shaft eccentricity and possesses excellent functionality across various fields, including sealing targets, pressure, and temperature. **Features** - Higher performance than conventional oil seals - More affordable than mechanical seals - Excellent heat resistance, wear resistance, and chemical resistance - Easy maintenance and replacement - Compatible with both clockwise and counterclockwise rotation - Superior followability to shaft eccentricity - Maintains higher sealing performance than typical mechanical seals and rubber oil seals *For more details, please download the catalog or contact us.*

• Sealing
• Other machine elements
• Rubber

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.

• Sealing
• Other machine elements
• Vacuum Equipment

Kyoritsu Industry, a comprehensive processing manufacturer of rubber products, has developed an ideal rubber that combines the 'chemical resistance' of Teflon and the 'elasticity' of rubber.

• Sealing
• Other machine elements

From fluororubber, which shows the highest resistance to most chemicals and solvents, to general-purpose chloroprene rubber and natural rubber, we can provide parts for industrial, semiconductor manufacturing, automotive, medical, and leisure applications according to customer needs.

• Rubber

We offer a range of rubber materials to meet customer needs, from fluororubber, which exhibits the highest resistance to most chemicals and solvents, to general-purpose chloroprene rubber and natural rubber, suitable for industrial, semiconductor manufacturing, automotive, medical, and leisure applications. For more details, please download the materials or contact us.

• Rubber
• Composite Materials
• Organic Natural Materials

Kyoritsu Sangyo Co., Ltd. is a "comprehensive manufacturer of rubber products." We manufacture and sell various rubber products, including industrial parts, medical device components, and food machinery parts. We take pride in the fact that a wide range of research is naturally progressing, and a system capable of meeting all kinds of needs is becoming established. Moving forward, we will continue to pursue high productivity based on a spirit rooted in technology, focusing on production management that ensures satisfactory costs and cost performance (CP), as well as strengthening our quality assurance system to ensure satisfactory delivery times and peace of mind.

• Rubber
• Rubber mold