Processing example of D5400 flange gasket.
Compatible with duct gaskets with one-sided flanges using cross rubber molding.
■Overview of Processing Example Product Name: Duct Packing with One-Sided Flange Dimensions: 4.8t 480φ × 380φ This processing example combines cross rubber coating and adhesive processing to create a duct packing with a one-sided flange shape. It is used for sealing at duct connection points, where positioning during installation and stable adhesion are required. This application necessitates reliable sealing and workability in chemical facilities and various plant equipment. The one-sided structure is integrated through adhesive processing to prevent shape misalignment and contribute to the efficiency of assembly work. The cross rubber coating allows for uniform molding even with thick materials, ensuring stable quality and reproducibility. ■Product Features | D5400 This is a gasket formed by applying natural rubber to glass cloth and shaping it into a specified form. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. There are processing methods such as sewing, and large diameter processing is possible. It is used for high-temperature duct sealing.
basic information
■Processing Method | Rubber Coating Rubber coating is a technology that creates high-performance composite materials by adding the diverse functions of rubber to the excellent heat resistance of the base material. The rubber coating makes it easier to process glass cloth through cutting, punching, and sewing, facilitating the production of complex shapes such as gaskets and ducts. The material can be laminated and shaped to the desired thickness. We can recommend the optimal material according to the usage temperature.
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■Q&A Q. How is a tapered gasket manufactured? A. After cross-processing, adhesive processing is performed to finish it as a unified structure, preventing positional displacement. Q. Is there any issue with strength in adhesive processing? A. By selecting an adhesive method suitable for the usage conditions, stable performance can be ensured even in actual usage environments. Q. Can you accommodate thicker gaskets? A. With cross rubber coating processing, a uniform finish can be achieved even with thicker materials. Q. Is it possible to handle prototypes? A. We can flexibly accommodate small lots, prototypes, and mass production. ■Daiko's Capability We can provide consistent support for duct gaskets with tapered shapes and adhesive processing, from material selection to processing method proposals and shape considerations. We also flexibly handle prototypes, small lots, and custom shapes, ensuring stable quality in production.
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Daiko is a manufacturer specialized in processing various industrial products, including gaskets and packing. With industry-leading processing equipment, including one of Japan's largest water jet cutting machines, and a wide range of materials such as joint sheets, rubber, resin, and metal, we meet our customers' diverse needs. Leveraging the technology and experience we have cultivated over 50 years, we provide high-quality, short-lead-time, and low-cost products to contribute to solving our customers' challenges. To respond to our customers' varied needs, Daiko's production bases are equipped with various processing facilities. Among them, the water jet cutting machines, with a total of four installed at our Osaka headquarters and Tokyo branch, boast one of the largest scales in the country. The maximum processing range is W4,000 × L5,500 mm, allowing for the high-precision manufacturing of large-diameter gaskets and packing. By maximizing material efficiency, we achieve the provision of 'high quality at low cost.'










