Joint Product List and Ranking from 42 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

Joint Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. 川西水道機器 Kagawa//Building materials, supplies and fixtures manufacturers
  2. ダイドレ Osaka//Building materials, supplies and fixtures manufacturers
  3. 明和工業 Niigata//Water supply and drainage construction business
  4. 4 null/null
  5. 5 クリテック工業 本社、大阪営業所、福岡営業所 Tokyo//Building materials, supplies and fixtures manufacturers
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Joint Product ranking

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. One-touch mechanical architectural piping system / Grooved joint 明和工業
  2. PVC pipe x SUS pipe Suction M joint for SUS pipe 川西水道機器
  3. PVC pipe × cast iron pipe dissimilar pipe joint Suppon MD joint 川西水道機器
  4. Water piping steel pipe fittings - Suppon M joint 川西水道機器
  5. 4 MD joint (flexible joint for drainage steel pipes) ダイドレ

Joint Product List

151～165 item / All 342 items

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Cylindrical Flexible Joint "TF Joint FXS"

Cylindrical Flexible Joint "TF Joint FXS"

It is a tubular flexible joint with a straight inner surface, preventing liquid accumulation!

The "TF Joint FXS" is a cylindrical flexible joint coated with synthetic rubber on the outer surface of fluororesin. The contact part is made of fluororesin, which provides excellent heat resistance and chemical resistance, while also possessing properties such as water repellency, oil repellency, and non-stick characteristics. Additionally, the inner surface is straight, preventing liquid accumulation. 【Features】 ■ Compatible with various standard flanges such as JIS5, JIS20, drinking water, JPI, ANSI, etc. ■ Flange materials can include standard SS400 and SUS304, as well as SUS316, SUS316L, S25C, PVC, etc. ■ Available in both electro-galvanized and painted options. *For more details, please refer to the PDF document or feel free to contact us.

  • others

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Flexible Joint for Drainage 'SF-JOINT'

Flexible Joint for Drainage 'SF-JOINT'

Flexible joint with a flexible inner flat structure.

The "SF-JOINT" features an inner flat structure, allowing for smooth flow and preventing the buildup of sediment. Additionally, the flexibility of the thermoplastic elastomer used in the body material is demonstrated, providing excellent flexibility. Since a reinforcing ring (glass fiber-reinforced PP plastic) is attached to the body, the product maintains its circular shape without bending or flattening when flexed. 【Features】 ■ Inner flat structure ■ Ensures flexibility ■ Maintains circular shape (roundness) *For more details, please download the PDF or feel free to contact us.

  • Piping and insulation

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What is a flexible joint?

What is a flexible joint?

What is a flexible joint?

A flexible joint, as the name "flexible" suggests, refers to pipes and fittings that can be used flexibly according to various environments in manufacturing sites. This article explains the characteristics, main applications, usage locations, and types of flexible joints. *For more details, please refer to the related link page or feel free to contact us.*

  • Temporary Construction
  • Renovation and repair methods

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Floppy Joint "J Series S Type"

Floppy Joint "J Series S Type"

Floppy joints that achieve high flexibility and large eccentricity.

The "J Series S Type" is a highly flexible flange-type joint. Thanks to its special structure, it offers high flexibility and allows for a large amount of eccentricity with a short face-to-face dimension. It is suitable for connecting rainwater piping, blower piping, and piping that requires frequent installation and removal. 【Features】 ■ High flexibility ■ Large eccentricity *For more details, please download the PDF or contact us.

  • Piping materials (plastic pipes)

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High Pressure Expansion "E Series K Type"

High Pressure Expansion "E Series K Type"

Can be used for connections of dewatered sludge piping! High-pressure compatible expansion joint.

The "E Series K Type" is a high-pressure expansion joint designed for a maximum operating pressure of 2.0 MPa. It uses EPDM for the inner rubber material, and the flange standard is JIS 20K. This product is intended to absorb the expansion and contraction of piping due to temperature changes and to provide vibration and noise reduction for rotating equipment such as pumps. It can be used for connections in air conditioning piping for high-rise buildings, as well as for connections in dewatered sludge piping. [Purpose] - Absorption of piping expansion and contraction due to temperature - Vibration and noise reduction for rotating equipment such as pumps *For more details, please refer to the PDF document or feel free to contact us.

  • Piping materials (plastic pipes)

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Low Reaction Expansion "E Series L Type"

Low Reaction Expansion "E Series L Type"

The flange standard is JIS 10K! Compared to the standard expansion, the reaction force during displacement is smaller.

The "E Series L Type" is an expansion joint designed with low reaction force. It is a product aimed at vibration and noise reduction, as well as absorbing misalignment in piping made of materials with low strength, such as PVC and FRP. Compared to standard expansion joints (EA), it has a smaller reaction force during displacement. The maximum operating temperature is -10°C to 60°C, and the inner rubber material is made of EPDM, making it suitable for connecting resin pipes like PVC. [Purpose] ■ Vibration and noise reduction, as well as absorbing misalignment in piping made of materials with low strength, such as PVC and FRP. *For more details, please refer to the PDF document or feel free to contact us.

  • Piping materials (plastic pipes)

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AT Joint "F Series A Type"

AT Joint "F Series A Type"

Excellent heat resistance, cold resistance, non-stick properties, and vibration resistance! Chemical-resistant rubber joint lined with fluororesin on the inner surface.

The "F Series A Type" is a chemical-resistant rubber joint lined with fluororesin on the inside. It excels in heat resistance, cold resistance, non-stick properties, and vibration damping. It can be used for high-temperature hot water piping, food piping, various chemical piping, ultra-pure water piping, and hot spring piping applications. 【Features】 ■ Chemical resistance ■ Heat resistance ■ Cold resistance ■ Non-stick properties ■ Vibration damping *For more details, please refer to the PDF materials or feel free to contact us.

  • Piping materials (plastic pipes)

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[Special Item] Flex (F Series)

[Special Item] Flex (F Series)

The inner tube is used to protect the rubber joint in cases where the fluid has abrasive properties.

Hachiken is a specialized manufacturer of rubber joints for piping, producing all products domestically. We would like to introduce some examples of our custom-made products. The "silicone joint with inner tube" is used to protect the rubber joint in cases where the fluid has abrasion properties. Additionally, we have also produced "flexible joints with handles." Our company is capable of accommodating various special specifications. Please feel free to consult us about anything. 【Production Examples】 ■ Silicone joint with inner tube: 250A×500L ■ Flexible joint with handle: 50A×300L *For more details, please refer to the PDF document or feel free to contact us.

  • Piping materials (plastic pipes)

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[Special Item] Bellows (J Series)

[Special Item] Bellows (J Series)

Special products of the 'J Series' with diameters of φ300, φ350, φ500, etc.! Compatible with various specifications.

Hachiken is a specialized manufacturer of rubber joints for piping, producing all products domestically. We would like to introduce some examples of our custom products. We have manufactured "heat-resistant silicone" with a diameter of φ500, "CR with inner tube" with a diameter of φ350, and "white CR" with a diameter of φ300. Our company is capable of accommodating various special specifications. Please feel free to consult us about anything. 【Production Examples】 ■ Heat-resistant silicone: φ500 ■ CR with inner tube: φ350 ■ White CR: φ300 *For more details, please refer to the PDF materials or feel free to contact us.

  • Piping materials (plastic pipes)

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[Special Items] Corner Ducts (Black CR, White CR, Silicone)

[Special Items] Corner Ducts (Black CR, White CR, Silicone)

Introducing special specification products used for connecting exhaust ducts such as deodorizing devices!

Hachiken is a specialized manufacturer of rubber joints for piping, producing all products domestically. We would like to introduce examples of our custom-made products. We have manufactured square ducts in "black CR," "white CR," and "silicone" specifications. These are used for connecting exhaust ducts such as deodorizing devices. Our company is capable of accommodating various special specifications. Please feel free to consult us about anything. [Production Examples] ■ Black CR ■ White CR ■ Silicone *For more details, please refer to the PDF materials or feel free to contact us.

  • Duct related equipment

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New Function Inducing Joint ID

New Function Inducing Joint ID

It will reliably contribute to crack prevention in concrete structures.

Concrete structures are subject to deformation due to factors such as hydration heat during setting and hardening, temperature changes caused by external air temperature, drying shrinkage, and external forces. When such deformations are restrained, cracks occur. The corrosion of reinforcing steel due to decreased water tightness from these cracks is expected to become a significant issue for the durability of concrete structures in the future. To improve waterproofing and prevent corrosion of reinforcing steel, we have developed a new functional inducing joint material called ID Joint.

  • Joint material

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Philosophy and Theory in Design: "Hulls" Edition

Philosophy and Theory in Design: "Hulls" Edition

The load is distributed across the entire joint area! The strength lasts for 10 to 20 years of use.

We would like to introduce the philosophy and theory behind the design of the "hull" of our company's boats. Through various tests, including those conducted at industrial testing facilities, we have demonstrated that our hulls possess the strength to withstand pulling tests exceeding 3 tons. By using the same FRP material as the hull throughout the entire joint cross-section and significantly reinforcing the joint areas compared to the average strength of the hull itself, we achieve overwhelming strength and durability. The hull section that supports the floats incorporates structures and theories that were being researched and developed at the time for aircraft and racing cars, which are applied to the hull reinforcement areas. 【Features】 ■ The boat body is produced in-house with a consistent process. ■ A thorough commitment to using world-class materials. ■ A special reinforcement structure theory for the hull area where the floats are attached. ■ Designed to ensure the entire bottom of the boat is flat. ■ The bow section is rounded, adopting a wide-bottomed hull structure. *For more details, please refer to the PDF materials or feel free to contact us.

  • Work boats, research vessels, underwater work machines
  • Disaster prevention supplies

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Blade Hose/Expansion Joint Catalog

Blade Hose/Expansion Joint Catalog

Introducing various blade hoses such as general-purpose flange types and union types.

This catalog features the blades, hoses/expansion joints handled by our company. We introduce various products, including the stainless steel flange type "Z-2000NW" for liquid contact parts, the non-welded flange type "Z-3000" specified by government agencies, and the all-stainless steel flange type "Z-5000." Additionally, we have included a bellows specification table, types and structures of expansion joints, and a pressure loss table, making it a useful reference when considering implementation. [Contents (partial)] ■ Bellows specification table / Applicable bellows ■ Z-2000NW ■ Types and structures of expansion joints ■ Z-15000 ■ Saturated steam table *For more details, please download the PDF or feel free to contact us.

  • Fittings

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Formless framework construction products

Formless framework construction products

It is a pit formation method that does not require formwork construction or rebar welding work.

This is a new construction method that simplifies the formation of indoor floor drainage channels and wiring/piping pits, enabling significant reductions in construction time. There is no need for formwork construction when forming drainage channels or welding during the installation of receiving frames. Level adjustment of the receiving frames is also easy, achieving a reduction in construction time compared to conventional methods. Additionally, there is no waste from formwork, contributing to a reduction in environmental impact. *For more details, please download the PDF or contact us.*

  • Special Construction Method

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Hose joint with riser pipe

Hose joint with riser pipe

Solve your hose damage problems! Choose based on diameter and it rotates to match the direction.

The "Hose Joint with Riser Pipe" is an adapter for connecting a hose to a "Ball Valve Coupler Valve." The hose connection point is at ground level, and it can rotate like a submarine's periscope to match the direction of the hose. Once you use it, you won't want to stop. Additionally, to use this product, the installation of a ball valve coupler valve is required. 【Features】 ■ Chooseable based on hose diameter ■ Rotates to match the direction of the hose ■ No bending of the hose *For more details, please refer to the PDF document or feel free to contact us.

  • Water Treatment

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