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gasket Product List and Ranking from 139 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

gasket Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

  1. ダイコー 本社 Osaka//Building materials, supplies and fixtures
  2. 東京興業貿易商会 本社 Tokyo//Resin/Plastic
  3. USUI CO., LTD. Shizuoka//Automobiles and Transportation Equipment
  4. 4 甲南精工 東京営業所 Tokyo//others
  5. 5 アキツ 大阪支店 Osaka//Manufacturing and processing contract
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gasket Product ranking

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

  1. Gasket Fluid Compatibility Table (Nippon Yakin: Vulcan Comparison Table) ダイコー 本社
  2. Metal gaskets usable in ultra-high vacuum and extremely low temperature environments [Samples available!] USUI CO., LTD.
  3. Metal gasket "U-TIGHTSEAL"
  4. 4 Graphite sheet "Nika Film" 日本カーボン 本社
  5. 5 What is the difference between FF and RF gaskets? A professional explains their shapes, uses, and how to choose them. ダイコー 本社

gasket Product List

511～525 item / All 655 items

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Expandable graphite gasket "D4000"

Expandable graphite gasket "D4000"

It has a heat resistance temperature equivalent to that of asbestos sheets and is also excellent in corrosion resistance!

"D4000" is a gasket material that has a long-standing high performance record in Europe, where non-asbestos materials have been advanced, and can be used over a wide temperature range from high to extremely low temperatures. Expanded graphite is a material obtained by treating high-purity graphite crystals with chemicals and then heat-treating them at high temperatures. By inserting stainless steel plates (SUS316) into the core material, it becomes a gasket with excellent mechanical strength. 【Features】 ■ Excellent heat resistance and chemical resistance ■ Sealing performance and chemical resistance comparable to asbestos joint sheets ■ Excellent corrosion resistance ■ Wide temperature range from high to extremely low temperatures ■ Excellent compressibility *For more details, please download the PDF or feel free to contact us.

  • Sealing

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Spiral Wound Gasket "D1000"

Spiral Wound Gasket "D1000"

Excellent sealing ability that can cover the usage range of asbestos joint sheets!

The "D1000" is a high-performance semi-metallic gasket rationally designed for use in high-temperature and high-pressure environments. It possesses rich elasticity and allows for control of the tightening amount during installation. It is widely used in various fields, including thermal and nuclear power plants, steam piping on steam turbine ships, as well as process lines and thermal oil lines in petroleum refining and petrochemical plants. 【Product Lineup】 ■ Type with metal protective inner and outer rings ■ Type with metal protective outer ring ■ Basic type without metal protection *For more details, please download the PDF or feel free to contact us.

  • Sealing

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Soft PTFE-based gasket

Soft PTFE-based gasket

Significantly improves the sealing properties of PTFE while combining heat resistance and flexibility!

We would like to introduce our "Soft PTFE Gasket" that we handle. It has excellent chemical resistance and insulation properties, combined with heat resistance and flexibility, significantly improving the sealing performance of PTFE. We offer soft-type PTFE gaskets such as "Nippon Gasket Soft Seal No. 9096-S," which is very soft and comes with adhesive tape, and "Nippon Gasket Soft Seal No. 9096," as well as "SGM Gasket" for process piping and equipment flanges. 【Product Lineup】 ■ Nippon Gasket Soft Seal No. 9096-S ■ Nippon Gasket Soft Seal No. 9096 ■ SGM Gasket *For more details, please download the PDF or feel free to contact us.

  • Sealing

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Glass cloth / Biodegradable cloth

Glass cloth / Biodegradable cloth

Leveraging years of experience and expertise, we provide products required in the field of exhaust gas maintenance!

We consistently manufacture glass cloth, biodegradable cloth, spun products, and high-performance gaskets in-house. These are offered in shapes such as frame packing, manhole gaskets, and gasket tape. They are used in equipment manhole sections and ducts for hot air and exhaust gases. To improve maintainability and peelability during replacement, we also offer types treated with graphite or fluororesin on the surface. 【Product Lineup】 ■D5800 (Biodegradable Cloth Gasket) ■D5400 (Glass Cloth Gasket) ■D5400-T Glass Tape ■D5800-T Ceramic Tape *For more details, please download the PDF or feel free to contact us.

  • Sealing
  • Glass

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We can process gaskets and packing with processing equipment and also make proposals as a trading company!

We can process gaskets and packing with processing equipment and also make proposals as a trading company!

We meet your needs through our processing equipment, including one of Japan's largest water jet cutting machines, and our handling of materials such as sheets, rubber, resin, and metal.

Our company processes gaskets and packing using various machines, including one of Japan's largest water jet cutting machines (water pressure cutting machine). We have a wide range of items, including joint sheets, rubber, sponge, and resin. In addition to domestic manufacturers like Nichias and Vulcan, we also offer our original brand of non-asbestos joint sheet "D-6000" and other in-house products. Please utilize the fluid compatibility charts and necessary information for selecting piping and valves! 【Featured Products (Partial)】 ■ Non-asbestos joint sheet D-6000 ■ Graphite spiral wound gasket D-1000 ■ Teflon cushion gasket D7000 ■ SGM soft Teflon gasket ■ Rubber packing, etc. *This PDF is a digest version. If you need the full version, please feel free to contact us.

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  • Other processing machines
  • Piping Materials

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Introduction to Processing Equipment: Press Processing Machine

Introduction to Processing Equipment: Press Processing Machine

We have a large number of press machines, including 300t and 100t large presses and high-speed automatic machines, enabling mass production!

We would like to introduce the "press processing machines" that we own. The manufacturing of sheet gaskets using press processing machines and Thomson dies is an efficient processing method that combines high productivity with the ability to accommodate diverse shapes. Especially in mass production, using Thomson dies, which have relatively low mold production costs, makes it possible to reduce the cost per product. Our company owns a number of presses, including large presses of 300t and 100t, as well as high-speed automatic machines, enabling mass production. 【Features】 ■ An efficient processing method that combines high productivity with the ability to accommodate diverse shapes ■ In mass production, using Thomson dies, which have relatively low mold production costs, makes it possible to reduce the cost per product ■ Owned presses: large presses (300t/100t), high-speed automatic machines, etc. *For more details, please download the PDF or feel free to contact us.

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  • Plastic processing machines (cutting and rolling)

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What is a gasket compliant with the RoHS directive?

What is a gasket compliant with the RoHS directive?

Cleared global product safety standards! Introduction to the 10 regulated substances.

The RoHS Directive, established by the EU, is a regulation that restricts the use of certain hazardous substances in electrical and electronic equipment, making it an unavoidable environmental regulation for manufacturers worldwide. The RoHS Directive limits the presence of the following 10 substances in electrical and electronic equipment as part of EU environmental regulations. The regulated substances are lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, butyl benzyl phthalate, dibutyl phthalate, bis(2-ethylhexyl) phthalate, and diisobutyl phthalate. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.

  • Other machine elements

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What is the difference between O-rings and gaskets/packings?

What is the difference between O-rings and gaskets/packings?

We will also explain the details of each, such as how they are used and their shapes!

O-rings, gaskets, and packing are all types of seals that prevent the leakage of liquids and gases, but they differ in their usage and shape. An O-ring is a ring-shaped seal with a cross-section that is O-shaped, as its name suggests. It utilizes the elasticity of the material to be compressed when fitted into a groove, thereby achieving a sealing effect. When used for motion, it is a type of packing, and when used for fixing, it is a type of gasket. Due to its simple structure, low cost, and high sealing performance in a compact space, it is used in a wide range of fields, including automobiles, hydraulic and pneumatic equipment, and home appliances. *For more detailed information, please refer to the related links. For further inquiries, feel free to contact us.

  • Other machine elements

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What is the difference between FF type gaskets and RF type gaskets?

What is the difference between FF type gaskets and RF type gaskets?

I will also explain the characteristics and shapes of both the FF type and RF type!

The main difference between FF type gaskets and RF type gaskets is the shape and area of the sealing surface. Consequently, the shape of the flanges used and their suitable applications differ. FF stands for "Flat Face," which is referred to as "zenmenza" in Japanese. The gasket has a disc shape with bolt holes that covers the entire flat surface of the flange (full face gasket). Because the gasket is tightened over a large area, the pressure applied to any one part (surface pressure) is lower. RF stands for "Raised Face," which is referred to as "heimenza" in Japanese. The shape of the flange: the inner diameter side of the sealing surface is raised. Sealing occurs at this raised portion. *For more detailed information, please refer to the related links. For further inquiries, feel free to contact us.

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  • Other machine elements

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Case Study on Measures for Leakage Prevention in PVC Piping

Case Study on Measures for Leakage Prevention in PVC Piping

We will introduce "D Packing," which contributes to reducing water leakage risks and improving construction quality!

Are there any issues regarding leak prevention in PVC piping? "When I tried to stop the leak by tightening it strongly, the flange broke." "The tightening is inconsistent among workers, leading to unstable construction quality." "I thought I had tightened it properly, but it's still leaking." Unlike metal, PVC piping cannot be tightened with excessive force. Therefore, a delicate balance is required with standard sheet gaskets to ensure that they "do not leak but also do not break from over-tightening," which always carries the risk of leakage. *For more details, you can view the related links. Please feel free to contact us for more information.

  • Food and pharmaceutical standard seals and packing products

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What is the difference between a gasket and a packing?

What is the difference between a gasket and a packing?

We will also introduce the criteria that are clearly defined depending on the place of use!

Gaskets and packing are both sealing materials that prevent the leakage of liquids and gases, but they are clearly distinguished by the "movement" of the places where they are used. In simple terms, gaskets are used in stationary places, while packing is used in moving places. A gasket is a sealing material used in stationary parts. When fixing parts together with bolts or similar fasteners, it is inserted between them to eliminate gaps, preventing internal fluids from leaking and external foreign substances from entering. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

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  • Other machine elements

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What is the RCF (Refractory Ceramic Fiber) regulation?

What is the RCF (Refractory Ceramic Fiber) regulation?

We will also introduce what our company has implemented and the products in response to the RCF regulations!

As of November 1, 2015, the amendment to the Labor Safety and Health Act has made Refractory Ceramic Fibers (RCF) subject to regulations aimed at preventing health hazards to workers. With this amendment, RCF has been designated as a substance that requires labeling and classified as a Category 2 substance under the management of specific chemical substances, thus subjecting it to stricter preventive regulations. In response to this RCF regulation, Daiko has completely switched from traditional ceramic cloth to a safer, bio-soluble ceramic cloth. *For more detailed information, please refer to the related links. For further inquiries, feel free to contact us.*

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  • Other machine elements

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Correct selection and usage of vortex gaskets

Correct selection and usage of vortex gaskets

Explaining the points to consider during design and construction! We will also introduce recommended gaskets for various fluids.

Vortex gaskets are used in many plants and facilities due to their excellent sealing performance. However, to maximize their performance, appropriate product selection during the design phase and correct handling during installation are essential. This article comprehensively explains important precautions for using vortex gaskets. *For detailed content of the column, you can view it through the related links. For more information, please download the PDF or feel free to contact us.*

  • Sealing

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Processing of glass cloth and biodegradable cloth is done by Daiko.

Processing of glass cloth and biodegradable cloth is done by Daiko.

Introducing Daiko's core technology "rubber coating processing" and its benefits!

In the maintenance of exhaust ducts and combustion equipment, reliable sealing in high-temperature environments is essential for safe operation and environmental protection. Daiko is one of the few specialized manufacturers that consistently handles everything in-house, from the selection of heat-resistant materials such as glass cloth and biodegradable cloth to its unique "rubber coating process" and the final production of gasket products. *For detailed content of the column, please refer to the related link. For more information, please download the PDF or feel free to contact us.*

  • Processing Contract
  • Sealing

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Biodegradable cross gasket "D5800"

Biodegradable cross gasket "D5800"

A gasket made by coating a biocompatible dissolvable cross with natural rubber and molding it into a specified shape, containing SUS metal!

We would like to introduce our biocompatible dissolvable cross gasket, "D5800." With the enforcement of regulations regarding Refractory Ceramic Fibers (RCF), there are now restrictions on the use of ceramic cloth. Our company has transitioned from traditional ceramic cloth to RCF-compliant biocompatible dissolvable cloth. We also offer a baked-on anti-seizing treatment product (graphite treatment) called "D5800-G." 【Specifications】 ■ Thickness: t2・t4～(1 ply t2) ■ Safe operating temperature: 800℃ ■ Contains SUS metal ■ Natural rubber coated on biocompatible dissolvable cloth *For more details, please download the PDF or feel free to contact us.

  • Sealing

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