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  6. Lightweight! Made of polyethylene, the human passage (human access) EP sleeve for labor-saving!

Lightweight! Made of polyethylene, the human passage (human access) EP sleeve for labor-saving!

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EP-Sleeve

last updated:May 27, 2026

EPJ
EPJ
  • Special site
  • Official site

[Recently Released] Lightweight Polyethylene Personnel Opening "EP-Sleeve" Proposal for Labor Saving at Construction Sites!

Polyethylene Personnel Access Hole (Access Port) EP-Sleeve In response to everyone's requests, we are excited to announce its upcoming release! ■ High Pressure Resistance: The smooth double structure of the corrugated inner surface makes it strong against impacts and external pressure, providing excellent flat strength. ■ Lightweight Material: Compared to rigid PVC pipes, it is lightweight. It enhances transportation and work efficiency, contributing to labor-saving in construction sites. ■ Rust Resistant: Made of high-density polyethylene, it is safe and secure for installation in wet areas! ■ Cold and Chemical Resistant: Compared to rigid PVC pipes, it is suitable for installation in extremely cold regions and shows no degradation against most chemicals. “Lightweight accelerates efficiency on site!” A material that combines high pressure resistance and the lightweight that leads to direct workability. In particular, while rigid PVC pipes weigh about 53kg/m, the polyethylene sleeve weighs about 17kg/m, showcasing an overwhelming weight difference! We guarantee a significant improvement in work efficiency on construction sites. Furthermore, it also reduces the burden on workers and lowers the risk of accidents, contributing to enhanced safety! *For more details, please request the catalog from "Contact Us" or view the PDF data from "Download."

    Special function openingFormwork materialReinforcement and repair materials
rUuIQfbPalZr7yS1759386986_1759387010_Image

Lightweight! Made of polyethylene, the human passage (human access) EP sleeve for labor-saving!

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  • Iprosu Special Page
  • Special site - Product/service details - https://pr.www.ipros.com/epj/product/

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basic information

<Specifications> (This product is designated by inner diameter) - EP-600 Inner diameter: 600 / Outer diameter: 700 (mm) Reference weight: approximately 17kg/m *EP-700 Inner diameter: 700 / Outer diameter: 816 (mm) Reference weight: approximately 23kg/m *EP-800 Inner diameter: 800 / Outer diameter: 938 (mm) Reference weight: approximately 29kg/m <Manufacturing length: Minimum 300mm to Maximum / Please inquire> Note 1) The allowable tolerance for the inner diameter of the pipe is ±1.5%. Note 2) The cutting tolerance for the pipe is manufacturing length -5mm to 0mm. Note 3) *Sizes are not part of the regular stock. Please confirm the manufacturing lead time in advance. 【Handling of Polyethylene Sleeve Pipes】 <During Use (During Installation)> - Please refrain from using the product in locations with excessive vibrations that may affect it. - Do not apply strong forces that may cause deformation to the product. - When pouring concrete, if the vibrator comes into direct contact, it may cause damage, so please be very careful. ■Please ensure sufficient consideration for the reinforcement of the sleeve pipe's internal space based on the concrete pouring speed, pouring height, mouth diameter, and beam width at each construction site before use.■

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Applications/Examples of results

Are the 'beam height and beam width of buildings on the rise'? - Response to high-rise and large space construction - Evolution of seismic and vibration control technologies - Diversification of building uses - Securing equipment space These are said to be the possible factors, but on the other hand, the current construction sites are facing numerous challenges such as labor shortages, aging workforce, and a lack of skilled workers. We urgently need to achieve 'labor-saving' and further realize 'manpower-saving' by proposing the 'lightweight' of human passage (human access) sleeve materials. 'Lightening the burden on the site with technology and ideas!'

Detailed information

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Line up(3)

Model number overview
EP-600 Nominal Diameter (Inner Diameter) Outer diameter: 700mm
※EP-700 Nominal Diameter (Inner Diameter) Outer diameter: 816mm (not a regular stock item)
※EP-800 Nominal Diameter (Inner Diameter) Outer diameter: 938mm (not a regular stock item)

catalog(4)

Download All Catalogs
[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A4 size

[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A4 size

PRODUCT
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Contact this catalog

Coming soon! High-density polyethylene pedestrian passage (pedestrian opening) "EP Sleeve" Lightweight! Labor-saving! A4

Coming soon! High-density polyethylene pedestrian passage (pedestrian opening) "EP Sleeve" Lightweight! Labor-saving! A4

PRODUCT
  • E-book viewing
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Contact this catalog

[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A3 size spread

[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A3 size spread

PRODUCT
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Proposal for switching from PVC manholes (manholes for pedestrian access)

Proposal for switching from PVC manholes (manholes for pedestrian access)

OTHER
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CAD data(12)

Model number overview File
[Drawing] EP-Sleeve (Inner Diameter 600 / Outer Diameter 700) EP-600 Lightweight polyethylene pedestrian passage "EP-Sleeve" A proposal for labor-saving at construction sites!
  • 2D pdf ( 48KB)
[Drawing] EP-Sleeve (Inner Diameter 600 / Outer Diameter 700) EP-600 Lightweight polyethylene pedestrian passage "EP-Sleeve" A proposal for labor-saving at construction sites!
  • 2D jww ( 0B)
[Drawing] EP-Sleeve (Inner Diameter 600 / Outer Diameter 700) EP-600 Lightweight polyethylene pedestrian passage "EP-Sleeve" A proposal for labor-saving at construction sites!
  • 2D pdf ( 0B)
[Drawing] EP-Sleeve (Inner Diameter 600 / Outer Diameter 700) EP-600 Lightweight polyethylene pedestrian passage "EP-Sleeve" A proposal for labor-saving at construction sites!
  • 2D dwg ( 0B)
[Drawing] EP-Sleeve (Inner Diameter 700 / Outer Diameter 816) EP-700 Lightweight polyethylene pedestrian passage "EP-Sleeve" A proposal for labor-saving at construction sites! ■Made-to-order product sizes■
  • 2D pdf ( 47KB)
[Drawing] EP-Sleeve (Inner Diameter 700 / Outer Diameter 816) EP-700 Lightweight polyethylene pedestrian passage "EP-Sleeve" A proposal for labor-saving at construction sites! ■Made-to-order product sizes■
  • 2D jww ( 0B)
[Drawing] EP-Sleeve (Inner Diameter 700 / Outer Diameter 816) EP-700 Lightweight polyethylene pedestrian passage "EP-Sleeve" A proposal for labor-saving at construction sites! ■Made-to-order product sizes■
  • 2D dxf ( 0B)
[Drawing] EP-Sleeve (Inner Diameter 700 / Outer Diameter 816) EP-700 Lightweight polyethylene pedestrian passage "EP-Sleeve" A proposal for labor-saving at construction sites! ■Made-to-order product sizes■
  • 2D dwg ( 0B)
[Drawing] EP-Sleeve (Inner Diameter 800 / Outer Diameter 938) EP-800 Lightweight polyethylene human passage (human entrance) "EP-Sleeve" Proposal for labor-saving at construction sites! ■Made-to-order product size■
  • 2D pdf ( 46KB)
[Drawing] EP-Sleeve (Inner Diameter 800 / Outer Diameter 938) EP-800 Lightweight polyethylene human passage (human entrance) "EP-Sleeve" Proposal for labor-saving at construction sites! ■Made-to-order product size■
  • 2D jww ( 0B)
[Drawing] EP-Sleeve (Inner Diameter 800 / Outer Diameter 938) EP-800 Lightweight polyethylene human passage (human entrance) "EP-Sleeve" Proposal for labor-saving at construction sites! ■Made-to-order product size■
  • 2D dxf ( 0B)
[Drawing] EP-Sleeve (Inner Diameter 800 / Outer Diameter 938) EP-800 Lightweight polyethylene human passage (human entrance) "EP-Sleeve" Proposal for labor-saving at construction sites! ■Made-to-order product size■
  • 2D dwg ( 0B)

News about this product(3)

Regarding the supply issues of rigid polyvinyl chloride (PVC) manholes.

  • Other・notification

[Proposal for Polyethylene Access Holes] We believe everyone is facing difficulties... “To contractors planning to use rigid PVC pipes with a diameter of 600mm” Due to the impact of the Middle East conflict on the supply of domestic PVC products, we hope that our polyethylene access holes, EP-Sleeve, can be of some assistance... * We have stock available only for the 600mm size within Tokyo. * Of course, we also offer cutting services.

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EP-Sleeve Character "Moguran"

Production will start" Polyethylene sleeve / access hole (access port) "EP-Sleeve

  • Product news

Polyethylene Human Passage (Human Passage Opening) EP-Sleeve ■ High Pressure Resistance: Due to its smooth double structure with a corrugated inner surface, it is strong against impacts and external pressure, possessing excellent flat strength. ■ Lightweight Material: Compared to rigid PVC pipes, it is lightweight. It enhances transportation and work efficiency, contributing to "labor-saving" at construction sites. ■ Rust Resistant: Made of high-density polyethylene, it is safe and secure for installation in water areas! ■ Cold and Chemical Resistant: Compared to rigid PVC pipes, it is suitable for installation in extremely cold regions and shows no deterioration against most chemicals. The polyethylene sleeve "accelerates the 'efficiency' of the site with its 'lightweight'!" A material that combines high pressure strength with "lightweight," which leads to direct construction usability. In particular, while rigid PVC pipes weigh about 53 kg/m, the polyethylene sleeve weighs about 17 kg/m, showcasing an overwhelming weight difference! We guarantee a definite improvement in work efficiency at construction sites. Furthermore, it also contributes to reducing the burden on workers and lowering accident risks, enhancing safety!

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We have started publishing CAD.

  • Other・notification

We are sequentially publishing various cross-sectional diagrams of Tome TaroⓇ filling, such as Pipe in Sleeve and EP-Sleeve. Please make use of them.

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Companynews list (14)

Company information

EPJ

EPJ

Building materials, supplies and fixtures manufacturers

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A manufacturer specialized in planning, design, and engineering. We focus on product development to solve various issues at construction sites, providing innovative, cutting-edge, and ecological products. Please feel free to contact us.

Product/Service List (38)

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