Expansion device Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Expansion device Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. 中外道路 Hyogo//Building materials, supplies and fixtures manufacturers
  2. 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
  3. 富士技建 Osaka//Other construction industries
  4. 4 日之出水道機器 道路橋梁マーケティンググループ Fukuoka//Electricity, Gas and Water Industry
  5. 5 ダット Kanagawa//Building materials, supplies and fixtures manufacturers
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Expansion device Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Expansion device "Metal Garg Joint NL-FL type" 中外道路
  2. Expansion device "Gaislide Joint GS type" for pedestrian use. 中外道路
  3. Expansion device "Rubber Ace Joint RTH/RT-AS type" 中外道路
  4. 4 Expandable device "Super Guide Top Joint SGTd Type" 中外道路
  5. 5 Expansion device "PCJ Super Joint PCJ Type" 中外道路

Expansion device Product List

1～15 item / All 32 items

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Expansion device "Hybrid Joint CS-50"

Expansion device "Hybrid Joint CS-50"

Strongly bonded rubber and steel plate with press vulcanization adhesion! A joint that demonstrates excellent water-stopping performance.

The "CS-50" is a bridge expansion device that bonds rubber and steel plates through press vulcanization. It exhibits excellent water-stopping performance. The steel vertical uneven shape enhances durability and achieves ultra-low noise, making it suitable for wide-span floor slabs. 【Features】 ■ Press vulcanization bonding of rubber and steel plates ■ Excellent water-stopping performance ■ Improved durability ■ Ultra-low noise ■ Compatible with steel floor slabs *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Bridge Materials

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Expansion device "Hybrid Joint NCS-40"

Expansion device "Hybrid Joint NCS-40"

A bridge joint that exhibits excellent water resistance! Strongly bonded rubber and steel plate through press vulcanization.

The "NCS-40" is a bridge expansion device that is bonded using press vulcanization of rubber and steel plates. Its uneven shape in the gap area enhances durability and achieves ultra-low noise, making it suitable for wide slab gaps. The standard length is 1.8m, and it can be adjusted on-site to accommodate the standard length and ends according to the width. 【Features】 ■ Press vulcanization bonding of rubber and steel plates ■ Excellent water resistance ■ Improved durability ■ Ultra-low noise *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Bridge Materials

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Basic Knowledge of Expansion Devices "Types of Expansion Devices" <Free Materials Provided>

Basic Knowledge of Expansion Devices "Types of Expansion Devices" <Free Materials Provided>

Explaining the key points for selecting joints for bridges! Technical materials are available as a gift!

We are currently offering technical materials from Crittec Industries Co., Ltd. titled "Expansion Device Explanation Series - Types of Expansion Devices." This includes a classification of structures and introduces the characteristics of each with illustrations. [Contents] ■ What is a finger joint? ■ What is a buried joint? ■ Others *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Bridge Materials

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Expansion device "Hybrid Joint PS Type"

Expansion device "Hybrid Joint PS Type"

Considering pedestrian safety, a telescopic sliding mechanism is adopted! A rich lineup of striped steel plates.

The "PS type" is a checker plate with a non-slip surface treatment. To ensure safety for pedestrians, a sliding mechanism is incorporated in the expansion joints. It employs press vulcanization adhesion, which excels in water resistance and durability. We offer a wide range of products including "PS-20," "PS-30," "PS-100," and "PS-250." 【Features】 ■ Non-slip prevention using checker plate ■ Sliding mechanism in expansion joints for pedestrian safety ■ Press vulcanization adhesion used for steel plates and water seal rubber ■ Improved durability of the adhesive surface at the water stop section *For more details, please refer to the PDF document or feel free to contact us.

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  • Steel
  • Paving of sidewalks, roads, parking lots and stadiums
  • Road signs and road accessories

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Expandable device "Super Guide Top Joint SGTd Type"

Expandable device "Super Guide Top Joint SGTd Type"

Reduce noise and vibration generation! Easy to install due to its simple structure and manageable weight.

The "Super Guide Top Joint SGTd Type" is an expansion device for bridges and elevated roads that exhibits smooth and excellent driving performance due to its extremely small exposed surface area. It connects water-stop rubber through mold vulcanization and adhesive bonding, allowing for continuity. Its unique tooth structure provides seismic resistance against displacements (vertical and shear displacements) during earthquakes. Its simple structure and manageable weight make installation easy, and a refresh method for rubber part replacement maintenance has been established. 【Features】 ■ Vertical-type double-sided tooth structure / Load-supporting type for durability and reliability ■ Unique tooth structure provides seismic resistance against displacements (vertical and shear displacements) during earthquakes ■ Exhibits smooth and excellent driving performance, reducing noise and vibration generation ■ Connects water-stop rubber through mold vulcanization and adhesive bonding, allowing for continuity ■ Easy installation due to simple structure and manageable weight *For more details, please download the PDF or feel free to contact us.

  • スーパーガイトップジョイントSGTd型_02.jpg
  • Bridge Materials

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Expansion device "Metal Garg Joint NL-FL type"

Expansion device "Metal Garg Joint NL-FL type"

Durability backed by years of experience! By using soundproofing materials, noise is reduced effectively.

The "Metal Gage Joint NL-FL Type" is an expansion device for bridges and elevated roads that is easy to handle and allows for straightforward installation at the planned height. The main components are made of shaped steel and stud welding, eliminating the weak points of welded structures. The joint tooth gap is small, ensuring good drivability. It has gained high evaluations and trust based on years of performance in durability, drivability, and water-tightness, and was selected as a model during the formulation of the new NEXCO standards (July 2011), demonstrating excellent overall balance. 【Features】 ■ Vertical (one-sided) tooth structure / Load-supporting type ■ Durability backed by years of proven performance ■ Small joint tooth gap ensures good drivability ■ The water-stop section is filled with high-quality, highly waterproof elastic sealing material that has received high evaluations ■ Adoption of soundproofing materials reduces noise *For more details, please download the PDF or feel free to contact us.

  • メタルガージョイントNL-FL型_02.jpg
  • Bridge Materials

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Expandable device "Double Finger Super Joint DF Type"

Expandable device "Double Finger Super Joint DF Type"

Original technology × design philosophy! A well-established dual-sided tooth structure for comfortable driving with low noise and low vibration.

The "Double Finger Super Joint DF Type" is an expansion device for bridges and elevated roads featuring a horizontal (both sides) tooth structure. It has passed a fatigue test of 2 million cycles at a design load of PS200kN, equivalent to a design service life of over 40 years, demonstrating high safety and durability. With its well-established horizontal (both sides) tooth structure that ensures comfortable driving with low noise and low vibration, as well as the adoption of a secondary waterproofing structure, it contributes to the longevity of bridges through excellent overall balance. 【Features】 ■ Horizontal (both sides) tooth structure, load-supporting type, non-drainage structure ■ Durability and reliability due to the both sides tooth structure ■ Provides smooth and excellent drivability ■ Standard equipped with secondary waterproofing material "Double Waterproof Unit" ■ Reduction of noise and vibration generation due to the both sides tooth structure *For more details, please download the PDF or feel free to contact us.

  • ダブルフィンガースーパージョイントDF型_02.jpg
  • Bridge Materials

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Expansion device "Metal Garg Joint NT-FFLDZ type"

Expansion device "Metal Garg Joint NT-FFLDZ type"

Melted zinc plating specifications! Contributing to daily environmental maintenance with performance and price.

The "Metal Garg Joint NT-FFLDZ Type" is an expansion device for bridges and elevated roads that reduces vibrations and noise through its double-sided tooth profile, which mitigates impact during vehicle passage, and the use of excellent soundproofing filling materials. The anchor components utilize a bar method with stud welding, making the installation of the floor slab secure and easy. Special formwork for installation is not required, which shortens construction time. Due to its structure that encapsulates the waterproofing section within a surface steel formation, it is highly durable and has a long repair cycle. 【Features】 ■ Structural Characteristics... Double-sided tooth (double finger) structure, load-supporting type, non-drainage structure / T-shaped integral structure of cantilever beams ■ Durability... Eliminates the weak points of welded structures with stud welding of anchor bars, and the face plate and web plate are an integral T-shaped structure (shaped steel), ensuring high reliability with stud welding for anchor components, achieving durability ■ Rideability... Both the joint gap side and the post-poured concrete side are designed with tooth shapes to ensure excellent rideability / The protrusion length of the tooth shape on the face plate is also small, further reducing impact *For more details, please download the PDF or feel free to contact us.

  • メタルガージョイントNT-FFLDZ型_02.jpg
  • Bridge Materials

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Expansion device "Gaislide Joint GS type" for pedestrian use.

Expansion device "Gaislide Joint GS type" for pedestrian use.

Simple structure and high constructability! Equipped with a secondary water stop structure "Double Water Stop Unit."

The "Gaislide Joint GS Type" is a load-supporting expansion device for bridges and elevated roads, designed with an overlapping structure for pedestrian walkways. It meets the various requirements expected of pedestrian expansion devices and supports safe and comfortable passage in various walking spaces. 【Features】 ■ Structural Characteristics... Simple structure with overlapping steel materials, load-supporting type, non-drainage structure / Structure with gaps covered by steel plates specifically for pedestrian use ■ Durability... High durability with support parts using reinforced concrete structure and stud anchors / The same steel materials as those used for roadways are employed, designed with a high safety factor against crowd loads ■ Passability... The surface of the roadway uses checker plates (hot-dip galvanized) considering pedestrian safety / The gap for expansion is shallow, designed with consideration for pedestrians ■ Water Resistance... Water-stopping parts use vulcanized adhesive water-stopping rubber ■ Workability... Simple structure with high workability ■ Maintainability... Rubber parts can be replaced for maintenance / The top plate (checker plate) is detachable, making inspection and repair of the water supply parts easy *For more details, please download the PDF or feel free to contact us.

  • ガイスライドジョイントGS-NL型_02.jpg
  • Bridge Materials

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Expansion device "Gaislide Joint GS-NL type" for pedestrian use.

Expansion device "Gaislide Joint GS-NL type" for pedestrian use.

Optimize durability, workability, and cost-effectiveness as a sidewalk expansion device!

The "Gaislide Joint GS-NL Type" is a simple structure, load-supporting, non-drainage expansion device for sidewalks, made by overlapping steel materials. The steel materials used are the same as those for roadways, designed with a high safety factor against crowd loads. A ground cover joint (NLE) that integrates the sidewalk and ground cover is available. Additionally, it has good repairability and contributes to LCC (Life Cycle Cost). 【Features】 ■ Structural Characteristics... Simple structure with overlapping steel materials, load-supporting, non-drainage structure / Structure covered with steel plates for sidewalk-specific gaps ■ Durability... High durability with support parts using RC structure and stud anchors / Designed with a high safety factor against crowd loads using the same steel materials as for roadways ■ Passability... The surface of the roadway uses checker plates (hot-dip galvanized) for pedestrian safety / The gap for expansion is shallow, considering pedestrian convenience ■ Water Stopping... The water-stopping part is filled with high-quality elastic sealing material that has received high waterproof ratings ■ Workability... The top plate (checker plate) is detachable, making inspection and repair of the water-stopping part easy *For more details, please download the PDF or feel free to contact us.

  • ガイスライドジョイントGS-NL型_02.jpg
  • Bridge Materials

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Expansion device "Gaitop Joint SKS type" for new transportation systems

Expansion device "Gaitop Joint SKS type" for new transportation systems

New transportation system - Guideway Bus and Urban Monorail provider! Easy construction and reduced construction time.

The "Gaitop Joint SKS Type" is an expansion device for new transportation systems, guideway buses, and urban monorails. It is a sister product of the vertical double-sided tooth-type load-supporting expansion device "Gaitop Joint," which has already received high praise from various government agencies, including the Ministry of Construction, as an expansion device for bridges and elevated roads. 【Features】 ■ Comfortable ride quality ■ Outstanding durability ■ Completely waterproof structure ■ Beautiful appearance ■ No rubber bulging or tearing ■ Type selection based on expansion amount ■ Easy installation and reduced construction time *For more details, please download the PDF or feel free to contact us.

  • ガイトップジョイントSKS型_02.jpg
  • Bridge Materials

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Expansion device "CG Steel Joint NL-F Type"

Expansion device "CG Steel Joint NL-F Type"

Achieving high versatility and cost-effectiveness! A low-cost type that utilizes the features of steel tooth molds and butt joint types.

The "CG Steel Joint NL-F Type" is a simple steel joint of the butt type with a vertical tooth profile (one-sided). It adopts a stud welding method for the anchor components, ensuring high robustness. It uses an elastic sealing material with good followability and high waterproofing properties. Due to its compact and narrow design, it is easy to install and is recommended for vertical joints. 【Features】 ■ Structural Characteristics... Simple steel joint of the butt type with a vertical tooth profile ■ Durability... Adopts a stud welding method for the anchor components, ensuring high robustness ■ Water Resistance... Uses an elastic sealing material with good followability and high waterproofing properties ■ Workability... Compact and narrow, making installation easy and recommended for vertical joints ■ Cost-effectiveness... A low-cost type that leverages the characteristics of steel tooth profiles and butt joints *For more details, please download the PDF or feel free to contact us.

  • CGスチールジョイントNL-F型_02.jpg
  • Bridge Materials

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Expansion device "Rubber Ace Joint RTH/RT-AS type"

Expansion device "Rubber Ace Joint RTH/RT-AS type"

Vertical linear structure / butt joint type! A simple design that demonstrates economy and versatility.

The "Raba Ace Joint RTH/RT-AS Type" is a butt-type rubber joint with a simple structure and vertical design that prioritizes initial cost. Its simple structure, along with the use of reinforced steel plates and stud anchors, ensures robustness through integration with the floor slab. It maintains high water-tightness due to excellent adhesion between the steel plate and sealing rubber achieved through vulcanized bonding. The joint gap is minimal, ensuring good running performance. Its lightweight and simple structure allows for high-quality construction with ease. 【Features】 ■ Structural Characteristics... A butt-type rubber joint with a simple vertical structure that prioritizes initial cost. ■ Durability... Robustness ensured through integration with the floor slab by adopting a simple structure and reinforced steel plates with stud anchors. ■ Water-tightness... High water-tightness achieved through vulcanized bonding with excellent adhesion between the steel plate and sealing rubber. ■ Running Performance... Minimal joint gap ensures good running performance. ■ Workability... Lightweight and simple structure allows for easy high-quality construction. ■ Economic Efficiency... Prioritizes cost performance, providing benefits in both the product itself and workability. *For more details, please download the PDF or feel free to contact us.

  • ラバエースジョイントRTHRT-AS型_02.jpg
  • Bridge Materials

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Expansion device "Metal Garge Joint NT-FFL type"

Expansion device "Metal Garge Joint NT-FFL type"

Providing cost performance with excellent mobility and low noise/low vibration! Horizontal (both sides) tooth structure/load support type.

The "Metal Garge Joint NT-FFL Type" is a product designed to ensure excellent mobility by having both the joint gap side and the post-poured concrete side shaped like teeth. It eliminates the weak points of welded structures by using stud welding for the anchor bar, and the face plate and web plate are made of a T-shaped integrated structure (shaped steel). The anchor components utilize reliable stud welding, achieving durability. The anchor components adopt a bar method with stud welding, making the installation of the floor slab anchorage easy. 【Features】 ■ Structural Characteristics... Double finger structure on both sides; load-supporting type/T-shaped integrated structure for the beam ■ Durability... Eliminates the weak points of welded structures with stud welding for the anchor bar; the face plate and web plate are made of a T-shaped integrated structure (shaped steel), and the anchor components utilize reliable stud welding, achieving durability ■ Mobility... Both the joint gap side and the post-poured concrete side are shaped like teeth, ensuring excellent mobility; the tooth protrusion length of the face plate is also small, further reducing impact *For more details, please download the PDF or feel free to contact us.

  • メタルガージョイントNT-FFL型_02.jpg
  • Bridge Materials

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Expansion device "Metal Garg Joint NLt-FLSRFD type"

Expansion device "Metal Garg Joint NLt-FLSRFD type"

Vertical (one-sided) tooth structure, load-supporting type, non-drainage structure! The maximum floor slab gap applicable is large and economical.

The "Metal Garge Joint NLt-FLSRFD Type" is a joint designed to withstand a compressive force of 10 kN in areas with heavy snowfall. The main components are shaped steel and stud welding, based on the long-standing proven performance of the NL-FL type, which is also rated for a compressive force of 10 kN. Additionally, it allows for easy concrete pouring and ensures tight compaction, enabling a strong integration between the joint body and the floor slab. 【Features】 ■ Structural Characteristics... Vertical (one-sided) double-sided tooth structure, load-supporting type, non-drainage structure / reverse L-shaped integral structure of the supporting beam ■ Durability... The main components are shaped steel and stud welding, based on the long-standing proven performance of the NL-FL type, rated for a compressive force of 10 kN ■ Mobility... The joint tooth gap is small, ensuring good mobility ■ Water Resistance... The water stop section is filled with high-quality, highly waterproof elastic sealing material (passed water stop performance tests as per NEXCO test method 438) ■ Noise Reduction... The tooth structure reduces tire impact, and the use of soundproofing fillers effectively reduces noise *For more details, please download the PDF or feel free to contact us.

  • メタルガージョイントNLt-FLSRFD型_02.jpg
  • Bridge Materials

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