オスコ産業 Product Lineup

The "MD251" is a compact, easy-to-install double-type cartridge seal designed with low heat generation in mind. On the inside, it features the compact MA251, which can be installed according to ISO and DIN standards, while the outside has the simple MA290. It offers a user-friendly and high-performance specification. By using high-performance sealing materials, it achieves excellent sealing performance and a long lifespan. The double seal structure boasts high reliability. 【Features】 ■ No wear on the shaft or sleeve ■ Springs do not come into contact with the fluid, preventing spring sticking due to slurry ■ Standard equipped with flushing and circulation ports ■ Low heat generation design ■ The internal seal is suitable for both positive and negative pressure *For more details, please download the PDF or feel free to contact us.

The "MD291" is a double-type ultra-thin cartridge seal. It can be easily installed without modifications in stuffing boxes or pumps with limited atmospheric space. There is no wear on the shaft or sleeve. Using a direct injection cooling method, flushing and circulation are directly sprayed onto the sliding surface, effectively cooling it. Being a stationary type, it achieves excellent followability. 【Features】 ■ Flexible mounting capability ■ No need for additional processing of the stuffing box in the pump during use, making installation easy ■ No wear on the shaft or sleeve ■ Can avoid operational failures or sticking due to slurry ■ Achieves excellent followability due to its stationary design ■ Effectively cools the sliding surface *For more details, please download the PDF or feel free to contact us.

"ACTISEAL-C" is a metal seal with excellent characteristics not found in metal O-rings, designed to meet a wide range of needs. It features a self-pressurizing function that increases the sealing load due to the pressure acting on the "C" shaped cross-section, ensuring stable sealing performance even under high-pressure conditions. Additionally, it is highly elastic and experiences minimal deformation in the sealing area when compressed, allowing for the necessary contact surface pressure to be achieved with a low tightening load. [Features] ■ Excellent low tightening load characteristics ■ High self-following capability ■ Wide applicability equivalent to metal O-rings ■ Abundant variations *For more details, please download the PDF or feel free to contact us.

The "MBS100" is a welded metal bellows seal of the rotating bellows seal type. Its special bellows shape achieves excellent spring characteristics and followability. The vibration-absorbing damper provided on the inner circumference of the metal rotating ring ensures stable and quiet operating characteristics. Since there are no operational packing components, there are no operational failures due to deposits or sleeve wear, allowing for long-term stable followability. 【Features】 ■ Achieves excellent spring characteristics and followability due to the special bellows shape ■ Ensures stable and quiet operating characteristics through the vibration-absorbing damper on the inner circumference of the metal rotating ring ■ The bellows are made of Inconel, offering excellent acid and alkali resistance, and can be used over a wide temperature range from low to high temperatures *For more details, please download the PDF or feel free to contact us.

"ACTISEAL-E" is a high displacement-following metal seal with an "E" shaped cross-section. The seal material is a nickel-based alloy with excellent durability, allowing it to handle extreme low temperatures to high temperatures, as well as high pressures, making it suitable for a wide range of applications. It features a self-pressurizing function that increases the sealing load due to the pressure acting on the "E" shaped cross-section, ensuring stable performance even under high-pressure conditions. 【Features】 ■ Freely follows displacements between sealing surfaces ■ Excellent low tightening load characteristics ■ Stable leak characteristics ■ Wide applicability from extreme temperatures to high pressures ■ Abundant variations *For more details, please download the PDF or feel free to contact us.

The "LB500" is a versatile rotary multi-spring balance seal. It features a low heat generation design and uses high-performance sealing materials, achieving excellent sealing performance and extended lifespan. It can be installed on ISO and DIN standard pumps without modification. Additionally, it is available in single, double, and tandem cartridge designs. 【Features】 ■ Compact design in both axial and radial directions ■ Simple structure for versatile sealing ■ Reliable torque transmission with a drive mechanism on the rotating side ■ Low heat generation design ■ Can be installed on ISO and DIN standard pumps without modification ■ Available in single, double, and tandem cartridge designs *For more details, please download the PDF or feel free to contact us.

The "MA290/MA291" is an ultra-compact stationary cartridge seal. It exhibits excellent followability and high cooling effectiveness. It can be installed without modification on pumps with narrow stuffing boxes or atmospheric side spaces. The seal cover mounting bolt holes utilize a U-shaped notch groove, eliminating the need for measuring PCD dimensions or additional machining for the seal cover bolt holes. 【Features】 ■ Extremely compact in the axial direction ■ Achieves excellent followability due to its stationary design ■ Can be directly mounted on pumps conforming to ISO and DIN standards ■ Standard equipped with flushing, quenching, and drain ports ■ External structure of the stuffing box provides excellent air cooling effect *For more details, please download the PDF or feel free to contact us.

This document is a product brochure summarizing the structure of "MECHANICAL SEAL PRODUCTS." Products are listed by type, such as BELLOWS and SPRING. Models that comply with standards like ISO and DIN are also introduced. It explains the SPECIFIC FEATURES and Application Range of each product, which can serve as a reference for product selection. 【Featured Products (partial)】 ■BA640 SERIES ■YE400 ■LA200 ■LB500 ■EK700 ■EK777 *For more details, please download the PDF or feel free to contact us.