A shaft sealing structure that achieves contamination prevention!
In recent years, especially in the fine chemical manufacturing processes such as electronic materials and pharmaceuticals, equipment like reaction vessels, stirring tanks, and dryers have increasingly required functions such as corrosion resistance, cleanability, and prevention of metal ion leaching, with standards becoming stricter each year. Furthermore, a significant issue is contamination control. Contamination measures in tanks have mostly been addressed through the application of fluoropolymer coatings, but measures against foreign substances from wear particles at the stirring device's shaft seal have been insufficient. By utilizing the shaft seal structure "Non-Metal PEC," developed in collaboration with Nippon Pillar Packing Co., Ltd., we have made it possible to implement contamination control throughout the entire vessel, which was previously challenging. "Non-Metal PEC" is ideal for stirring tanks with strict cleanliness requirements for fluoropolymer coatings. 【Features】 ○ Non-metallic design for the entire device ○ Unique sealing mechanism that does not generate contaminants For more details, please contact us or download the catalog.
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basic information
【Features】 ○ Adopts "static pressure type dry gas seal." Completely sealed with a single seal. ○ Non-contact between the stationary ring and the seal ring due to barrier gas supply. ○ No wear on the sealing surface because the seal section is non-contact. ○ No sliding resistance in the seal section, contributing to energy savings. ○ Automatic gap adjustment function that automatically adjusts the gap between the stationary ring and the seal ring. ○ Compatible with speeds from 0 RPM to high-speed rotation. ○ Achieves prevention of metal elution by combining with fluororesin baked coating.
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Applications/Examples of results
【Applications】 ○ Synthesis and adjustment tanks for photoresists ○ Synthesis and adjustment tanks for high-purity electronic materials ○ Tanks where contamination by wear powder or sealing liquid is not permitted in pharmaceuticals and food ○ Reaction tanks using substances that cannot be released into the atmosphere ○ Reaction tanks handling highly corrosive gases
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Company information
Our company is an organization that quickly obtained ISO 9001 and 14001, complying with international standards in the industry (fluororesin-related). We are also a technology-leading company that is constantly developing new products.
