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Through sleeve Product List and Ranking from 4 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

Through sleeve Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. Zenshin Co., Ltd. Osaka//Ferrous/Non-ferrous metals
  2. null/null
  3. DKSHマーケットエクスパンションサービスジャパン テクノロジー事業部門 Tokyo//Trading company/Wholesale
  4. 4 フジモリ産業 Tokyo//Building materials, supplies and fixtures
  5. 5 八州電工 Osaka//Manufacturing and processing contract
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Through sleeve Product ranking

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. ALC penetration part piping assembly board for water heaters "Smooth Sleeve" Zenshin Co., Ltd.
  2. Smooth sleeve for fire compartmentation Zenshin Co., Ltd.
  3. Pipe fitting accessory: Flanged water stop penetration sleeve
  4. 4 Lake Products Shield Penetration Sleeve "Grommet Mini" DKSHマーケットエクスパンションサービスジャパン テクノロジー事業部門
  5. 5 Pipe fitting accessory - penetration sleeve

Through sleeve Product List

1～8 item / All 8 items

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Assembly through frame / Steel through sleeve

Assembly through frame / Steel through sleeve

Short delivery time! The bottom retaining part is designed to be larger, making nail driving easy.

We would like to introduce the "Assembly Through Frame and Steel Through Sleeve" that we handle. We use Super Dyma, a galvanized steel plate confirmed to have extremely high corrosion resistance. This allows us to simplify the post-galvanizing process, enabling shorter delivery times and lighter weight. The opening is equipped with a noticeable "Caution: Opening" label seal, and a drop-prevention cap (including stop screws) is standardly included. 【Features】 ■ Adoption of Super Dyma with many advantages ■ All necessary accessories included ■ A lineup of various sizes for depth, height, and width ■ Assembled and shipped from our factory ■ Opening caution sticker ■ Custom products are also available to accommodate additional processing and various finishes upon request *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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ALC penetration part piping assembly board for water heaters "Smooth Sleeve"

ALC penetration part piping assembly board for water heaters "Smooth Sleeve"

Multiple piping and cable penetration processes can be achieved with a single core drill. No caulking is required, significantly improving construction efficiency.

The "Smooth Sleeve" is a piping assembly plate for water heaters that reduces the labor involved in core drilling and caulking when passing multiple pipes and cables through ALC panels. Core drilling (φ160) is completed in one location, resulting in a neat appearance after installation. The sealing packing adheres closely to various pipes and cables to prevent water intrusion, eliminating the need for caulking and contributing to improved construction efficiency. 【Features】 ■ The penetration processing of multiple pipes and cables, such as water, gas, and electricity, is completed with a single core drilling. ■ Adopts a highly water-resistant double-structured sealing packing. ■ In the unlikely event that water does enter, it drains through the internal drainage path. ■ The guide packing fits into the sleeve hole, making positioning easy. *For more details, please refer to the materials. Feel free to contact us with any inquiries.

  • s1.jpg
  • Piping Materials

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Lake Products Shield Penetration Sleeve "Grommet Mini"

Lake Products Shield Penetration Sleeve "Grommet Mini"

You can use it as protection for shielding and as a penetration sleeve.

The "Grommet Mini" is a through sleeve made of silicone rubber. Compared to conventional products: - Made of durable silicone rubber, less prone to cracking - Snap-in type, no putty required - Silicone rubber adheres tightly - No screws needed, eliminating contamination risk Please feel free to contact us for samples.

  • Rubber
  • Wiring materials
  • Piping and Piping Parts

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Prevent water intrusion! Exterior wall penetration sleeve "Non-combustible inclined sleeve"

Prevent water intrusion! Exterior wall penetration sleeve "Non-combustible inclined sleeve"

Since the product body is inclined, consideration is given to the water slope from inside the sleeve to the indoor side! The ease of installation for fixed support and waterproofing treatment has improved!

The "Non-combustible Inclined Sleeve" is an exterior through sleeve made of high corrosion-resistant galvanized steel plate. It has a square flange, making it easy to install and waterproof, and the inclined design prevents water from entering the indoor side from inside the sleeve. Additionally, it can be used in areas where non-combustibility is required, an important performance requirement for buildings, effectively preventing the spread of fire into the wall structure. We also offer the "Fuji Air Duct M," which is a "fire-fighting approved product" that can be used without issues even in narrow attics. 【Features】 ■ Can be used in areas requiring non-combustibility ■ Prevents the spread of fire into the wall structure ■ Made of high corrosion-resistant galvanized steel plate ■ Excellent corrosion resistance ■ Accurate and easy waterproofing during installation *For more details, please refer to the PDF materials or feel free to contact us.

  • Special Steel
  • Piping Materials
  • others

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Smooth sleeve for fire compartmentation

Smooth sleeve for fire compartmentation

Fire compartmentation and fire spread line compliance.

The "Smooth Sleeve" has been adapted for fire compartments and fire spread lines. The "Smooth Sleeve" is a piping assembly board for water heaters that reduces the labor involved in core drilling and caulking when multiple pipes and cables penetrate ALC and RC. Core drilling (φ160) is completed in one location, resulting in a neat appearance after installation. The sealing packing adheres closely to various pipes and cables to prevent water ingress, eliminating the need for caulking and contributing to improved construction efficiency. 【Features】 ■ The penetration processing for multiple pipes and cables, such as water and electricity, is completed with a single core drill. ■ Adopts a highly water-resistant double-structured sealing packing. ■ In the unlikely event that water enters, it drains through the internal drainage path. ■ The guide packing fits into the sleeve hole, making positioning easy. *For more details, please refer to the materials or our company website. Feel free to contact us with any inquiries.

  • pic1.jpg
  • pic2.jpg
  • Piping Materials

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