Labor-saving! Underground beam section "Pipe-in-sleeve T-type" water immersion countermeasures and waterproofing.
PIS-T
Efficiently streamline on-site work with prefabrication! Achieve shorter construction periods and improved quality.
[Coming Soon] An upgraded version of the beloved "Pipe-in-Sleeve"! "Pipe-in-Sleeve T-Type," abbreviated as PIS-T. In contrast to the PVC sleeve, a through pipe made of FEP has been pre-filled with waterproof material (sealant) at the factory, making it prefabricated. The T-type further features a "drainage PVC flange" welded with PVC material to the outer layer of the PVC sleeve. This method replaces the ring-shaped or band-shaped waterproof material on the outer circumference of the PVC sleeve, responding to strong requests from construction companies. <Features> ■ Excellent waterproofing due to prefabrication: Promotes flood prevention and water resistance ■ Labor-saving at construction sites! Reduces worker burden and prevents troubles in advance! ■ No skilled techniques required! Simplifies complex tasks! ■ Flexibility to accommodate individual design specifications of projects! ■ Improved work efficiency, standardized quality, and enhanced maintenance! [For Designers and Contractors] FEP pull-through, bell mouth terminal installation, etc., can be arranged according to individual site specifications! Additionally, it is equipped to handle unexpected leaks! A versatile and highly adaptable product that also incorporates maintenance and serviceability. *For details, please request a catalog from "Contact Us" or view the PDF data from "Download."
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basic information
<Specifications> ●Waterproofness ・Test value (smooth inner surface pipe) 0.1MPa×72 hours (This product does not guarantee complete waterproofing) ◆PVC sleeve outer circumference "drainage flange" 6mm thick * 50mm wide welded with the same material◆ ●Composition ・Sleeve material: Rigid polyvinyl chloride pipe (JIS K 6741) VU pipe ・Sleeve penetration pipe: Underground buried electric wire protection pipe, Furukawa Electric Co., Ltd. Eflex (or flame-retardant Eflex) ・Sealing material: Cured waterproof material filled in two places <Notes> * There is no waterproof test performance value for the "drainage flange" welding process. * Please select the FEP/penetration pipe connection material from Furukawa Electric Co., Ltd. Eflex series. * The "waterproof performance" of the sealing material (cured waterproof material) is an internal measurement value and is not a guaranteed value. [Contact Information] ・Planning/Proposal: Furukawa Elecom Co., Ltd. New Business Promotion Office TEL: 03-5297-8711 FAX: 03-5297-8705 ・Design/Manufacturing: EPJ Co., Ltd. TEL: 03-5643-8137 FAX: 03-5643-8138 Email: info@epj-inc.co.jp
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Applications/Examples of results
*R2.6 National Public Works Publication "Guidelines for Flood Prevention Measures for Electrical Equipment in Buildings" *R3.4 (Public Foundation) Japan Sewerage New Technology Organization "Promotion of Waterproofing (Final Version)" The adoption of these measures in construction work is rapidly increasing. "Pipe-in-Sleeve (PIS)" <Excerpt from Adoption Records by Local Governments> (Statistics from January to March 2026) - Osaka Prefecture ●● City) Communication equipment and other construction work related to the expansion of ●●●● - Shizuoka Prefecture ●● City) Electrical equipment construction for the (tentative name) ●● District Center in fiscal year 7 - Kyoto Prefecture ●● City) Electrical equipment construction related to the new building construction of ●● City Hospital (Section 1) - Kanagawa Prefecture ●● City) Electrical equipment construction for the expansion of ●● Elementary School building No. 1, among others Due to the recent shortage of construction workers and skilled labor, while "easy installation" is possible, there are also materials/methods that underestimate waterproof performance, leading to an increasing trend in leakage problems with underground beams in recent years. To prevent leakage accidents from resulting in large-scale repair work later on, we advocate for the adoption of Pipe-in-Sleeve (abbreviated as PIS), which combines both "labor-saving at construction sites" and "ensuring the waterproof performance of buildings."
Detailed information
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Pipe-in-sleeve installation 1
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Pipe-in-sleeve installation 2
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Pipe-in-sleeve installation 3
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Before pipe-in-sleeve demolition
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After pipe-in-sleeve demolition
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Pipe-in-sleeve connection preparation complete.
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Pipe-in-sleeve connection work 1
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Pipe-in-sleeve connection completed.
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Pipe-in-sleeve connection completed (close-up)
Line up（16）
| Model number | overview |
|---|---|
| PIS30U（PIS30NU） | Conduit Pipe / FEP-30 (Flame Retardant FEP-30) * Rigid PVC Pipe VU-50 |
| PIS40U（PIS40NU） | Conduit Pipe / FEP-40 (Flame Retardant FEP-40) * Rigid PVC Pipe VU-65 |
| PIS50U（PIS50NU） | Through pipe / FEP-50 (Flame-retardant FEP-50) * Rigid PVC pipe VU-75 |
| PIS65U（PIS65NU） | Conduit Pipe / FEP-65 (Flame Retardant FEP-65) * Rigid PVC Pipe VU-100 |
| PIS80U（PIS80NU） | Conduit pipe / FEP-80 (Flame-retardant FEP-80) * Rigid PVC pipe VU-125 |
| PIS100U（PIS100NU） | Through pipe / FEP-100 (flame-retardant FEP-100) * Rigid PVC pipe VU-150 |
| PIS125U（PIS125NU） | Conduit pipe / FEP-125 (flame-retardant FEP-125) * Rigid PVC pipe VU-200 |
| PIS150U（PIS150NU） | Through pipe / FEP-150 (flame-retardant FEP-150) * Rigid PVC pipe VU-250 |
| PIS30P（PIS30NP） | Conduit pipe / FEP-30 (flame-retardant FEP-30) * Rigid PVC pipe VP-50 |
| PIS40P（PIS40NP） | Conduit pipe / FEP-40 (Flame-retardant FEP-40) * Rigid polyvinyl chloride pipe VP-65 |
| PIS50P（PIS50NP） | Conduit Pipe / FEP-50 (Flame Retardant FEP-50) * Rigid PVC Pipe VP-75 |
| PIS65P（PIS65NP） | Conduit Pipe / FEP-65 (Flame Retardant FEP-65) * Rigid PVC Pipe VP-100 |
| PIS80P（PIS80NP） | Conduit Pipe / FEP-80 (Flame Retardant FEP-80) * Rigid PVC Pipe VP-125 |
| PIS100P（PIS100NP） | Conduit Pipe / FEP-100 (Flame Retardant FEP-100) * Rigid Polyvinyl Chloride Pipe VP-150 |
| PIS125P（PIS125NP） | Conduit pipe / FEP-125 (Flame-retardant FEP-125) * Rigid polyvinyl chloride pipe VP-200 |
| PIS150P（PIS150NP） | Conduit Pipe / FEP-150 (Flame Retardant FEP-150) * Rigid PVC Pipe VP-250 |
catalog（6）
Download All Catalogs![[Underground Beam Sleeve / Water Ingress Prevention and Waterproofing] Waterproof Sleeve for Underground Walls "Pipe-in-Sleeve T-Type (with Drip Edge)" A4 Size](https://image.www.ipros.com/public/catalog/image/2092961/IPROS10097468974293472307.jpeg?w=120&h=170)
![[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A3 size spread](https://image.www.ipros.com/public/catalog/image/01/cbf/796497/IPROS4828993524206581504.jpeg?w=120&h=170)
![Flood prevention measures & waterproofing proposal from Tome Taro® [Water-stopping materials and completely waterproof and odor-proof manhole covers]](https://image.www.ipros.com/public/catalog/image/01/13a/735795/IPROS1589684759470304190.jpeg?w=120&h=170)
CAD data（48）
| Model number | overview | File |
|---|---|---|
| 【Drawing (VU-50)】Pipe in Sleeve: PIS30U (Flame Retardant PIS30NU) | Pipe in Sleeve: Through Flex FP-30 (Flame Retardant Flex NFP-30) / JIS PVC Sleeve VU-50 |
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| 【Drawing (VU-50)】Pipe in Sleeve: PIS30U (Flame Retardant PIS30NU) | Pipe in Sleeve: Through Flex FP-30 (Flame Retardant Flex NFP-30) / JIS PVC Sleeve VU-50 |
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| 【Drawing (VU-50)】Pipe in Sleeve: PIS30U (Flame Retardant PIS30NU) | Pipe in Sleeve: Through Flex FP-30 (Flame Retardant Flex NFP-30) / JIS PVC Sleeve VU-50 |
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| 【Drawing (VU-65)】Pipe in Sleeve: PIS40U (Flame-retardant PIS40NU) | Pipe in Sleeve: Through Flex FP-40 (Flame Retardant Flex NFP-40) / JIS PVC Sleeve VU-65 |
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| 【Drawing (VU-65)】Pipe in Sleeve: PIS40U (Flame-retardant PIS40NU) | Pipe in Sleeve: Through Flex FP-40 (Flame Retardant Flex NFP-40) / JIS PVC Sleeve VU-65 |
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| 【Drawing (VU-65)】Pipe in Sleeve: PIS40U (Flame-retardant PIS40NU) | Pipe in Sleeve: Through Flex FP-40 (Flame Retardant Flex NFP-40) / JIS PVC Sleeve VU-65 |
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| 【Drawing (VU-75)】Pipe in Sleeve: PIS50U (Flame Retardant PIS50NU) | Pipe in Sleeve: Through Flex FP-50 (Flame Retardant Flex NFP-50) / JIS PVC Sleeve VU-75 |
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| 【Drawing (VU-75)】Pipe in Sleeve: PIS50U (Flame Retardant PIS50NU) | Pipe in Sleeve: Through Flex FP-50 (Flame Retardant Flex NFP-50) / JIS PVC Sleeve VU-75 |
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| 【Drawing (VU-75)】Pipe in Sleeve: PIS50U (Flame Retardant PIS50NU) | Pipe in Sleeve: Through Flex FP-50 (Flame Retardant Flex NFP-50) / JIS PVC Sleeve VU-75 |
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| 【Drawing (VU-100)】Pipe in Sleeve: PIS65U (Flame Retardant PIS65NU) | Pipe in Sleeve: Through E-Flex FP-65 (Flame Retardant E-Flex NFP-65) / JIS PVC Sleeve VU-100 |
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| 【Drawing (VU-100)】Pipe in Sleeve: PIS65U (Flame Retardant PIS65NU) | Pipe in Sleeve: Through E-Flex FP-65 (Flame Retardant E-Flex NFP-65) / JIS PVC Sleeve VU-100 |
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| 【Drawing (VU-100)】Pipe in Sleeve: PIS65U (Flame Retardant PIS65NU) | Pipe in Sleeve: Through E-Flex FP-65 (Flame Retardant E-Flex NFP-65) / JIS PVC Sleeve VU-100 |
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| 【Drawing (VU-125)】Pipe in Sleeve: PIS80U (Flame Retardant PIS80NU) | Pipe in Sleeve: Through Flex FP-80 (Flame Retardant Flex NFP-80) / JIS PVC Sleeve VU-125 |
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| 【Drawing (VU-125)】Pipe in Sleeve: PIS80U (Flame Retardant PIS80NU) | Pipe in Sleeve: Through Flex FP-80 (Flame Retardant Flex NFP-80) / JIS PVC Sleeve VU-125 |
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| 【Drawing (VU-125)】Pipe in Sleeve: PIS80U (Flame Retardant PIS80NU) | Pipe in Sleeve: Through Flex FP-80 (Flame Retardant Flex NFP-80) / JIS PVC Sleeve VU-125 |
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| 【Drawing (VU-150)】Pipe in Sleeve: PIS100U (Flame Retardant PIS100NU) | Pipe in Sleeve: Through Flex FP-100 (Flame Retardant Flex NFP-100) / JIS PVC Sleeve VU-150 |
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| 【Drawing (VU-150)】Pipe in Sleeve: PIS100U (Flame Retardant PIS100NU) | Pipe in Sleeve: Through Flex FP-100 (Flame Retardant Flex NFP-100) / JIS PVC Sleeve VU-150 |
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| 【Drawing (VU-150)】Pipe in Sleeve: PIS100U (Flame Retardant PIS100NU) | Pipe in Sleeve: Through Flex FP-100 (Flame Retardant Flex NFP-100) / JIS PVC Sleeve VU-150 |
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| 【Drawing (VP-50)】Pipe in Sleeve: PIS30P (Flame Retardant PIS30NP) | Pipe in Sleeve: Through Flex FP-30 (Flame Retardant Flex NFP-30) / JIS PVC Sleeve VP-50 |
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| 【Drawing (VP-50)】Pipe in Sleeve: PIS30P (Flame Retardant PIS30NP) | Pipe in Sleeve: Through Flex FP-30 (Flame Retardant Flex NFP-30) / JIS PVC Sleeve VP-50 |
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| 【Drawing (VP-50)】Pipe in Sleeve: PIS30P (Flame Retardant PIS30NP) | Pipe in Sleeve: Through Flex FP-30 (Flame Retardant Flex NFP-30) / JIS PVC Sleeve VP-50 |
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| 【Drawing (VP-65)】Pipe in Sleeve: PIS40P (Flame Retardant PIS40NP) | Pipe in Sleeve: Through Flex FP-40 (Flame Retardant Flex NFP-40) / JIS PVC Sleeve VP-65 |
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| 【Drawing (VP-65)】Pipe in Sleeve: PIS40P (Flame Retardant PIS40NP) | Pipe in Sleeve: Through Flex FP-40 (Flame Retardant Flex NFP-40) / JIS PVC Sleeve VP-65 |
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| 【Drawing (VP-65)】Pipe in Sleeve: PIS40P (Flame Retardant PIS40NP) | Pipe in Sleeve: Through Flex FP-40 (Flame Retardant Flex NFP-40) / JIS PVC Sleeve VP-65 |
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| 【Drawing (VP-75)】Pipe in Sleeve: PIS50P (Flame Retardant PIS50NP) | Pipe in Sleeve: Through E-Flex FP-50 (Flame Retardant E-Flex NFP-50) / JIS PVC Sleeve VP-75 |
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| 【Drawing (VP-75)】Pipe in Sleeve: PIS50P (Flame Retardant PIS50NP) | Pipe in Sleeve: Through E-Flex FP-50 (Flame Retardant E-Flex NFP-50) / JIS PVC Sleeve VP-75 |
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| 【Drawing (VP-75)】Pipe in Sleeve: PIS50P (Flame Retardant PIS50NP) | Pipe in Sleeve: Through E-Flex FP-50 (Flame Retardant E-Flex NFP-50) / JIS PVC Sleeve VP-75 |
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| 【Drawing (VP-100)】Pipe in Sleeve: PIS65P (Flame Retardant PIS65NP) | Pipe in Sleeve: Through E-Flex FP-65 (Flame Retardant E-Flex NFP-65) / JIS PVC Sleeve VP-100 |
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| 【Drawing (VP-100)】Pipe in Sleeve: PIS65P (Flame Retardant PIS65NP) | Pipe in Sleeve: Through E-Flex FP-65 (Flame Retardant E-Flex NFP-65) / JIS PVC Sleeve VP-100 |
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| 【Drawing (VP-100)】Pipe in Sleeve: PIS65P (Flame Retardant PIS65NP) | Pipe in Sleeve: Through E-Flex FP-65 (Flame Retardant E-Flex NFP-65) / JIS PVC Sleeve VP-100 |
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| 【Drawing (VP-125)】Pipe in Sleeve: PIS80P (Flame Retardant PIS80NP) | Pipe in Sleeve: Through Flex FP-80 (Flame Retardant Flex NFP-80) / JIS PVC Sleeve VP-125 |
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| 【Drawing (VP-125)】Pipe in Sleeve: PIS80P (Flame Retardant PIS80NP) | Pipe in Sleeve: Through Flex FP-80 (Flame Retardant Flex NFP-80) / JIS PVC Sleeve VP-125 |
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| 【Drawing (VP-125)】Pipe in Sleeve: PIS80P (Flame Retardant PIS80NP) | Pipe in Sleeve: Through Flex FP-80 (Flame Retardant Flex NFP-80) / JIS PVC Sleeve VP-125 |
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| 【Drawing (VP-150)】Pipe in Sleeve: PIS100P (Flame Retardant PIS100NP) | Pipe in Sleeve: Through Flex FP-100 (Flame Retardant Flex NFP-100) / JIS PVC Sleeve VP-150 |
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| 【Drawing (VP-150)】Pipe in Sleeve: PIS100P (Flame Retardant PIS100NP) | Pipe in Sleeve: Through Flex FP-100 (Flame Retardant Flex NFP-100) / JIS PVC Sleeve VP-150 |
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| 【Drawing (VP-150)】Pipe in Sleeve: PIS100P (Flame Retardant PIS100NP) | Pipe in Sleeve: Through Flex FP-100 (Flame Retardant Flex NFP-100) / JIS PVC Sleeve VP-150 |
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| 【Drawing (VU-200)】Pipe in Sleeve: PIS125U (Flame-retardant PIS125NU) | Pipe in Sleeve: Through Flex FP-125 (Flame Retardant Flex NFP-125) / JIS PVC Sleeve VU-200 |
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| 【Drawing (VU-200)】Pipe in Sleeve: PIS125U (Flame-retardant PIS125NU) | Pipe in Sleeve: Through Flex FP-125 (Flame Retardant Flex NFP-125) / JIS PVC Sleeve VU-200 |
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| 【Drawing (VU-200)】Pipe in Sleeve: PIS125U (Flame-retardant PIS125NU) | Pipe in Sleeve: Through Flex FP-125 (Flame Retardant Flex NFP-125) / JIS PVC Sleeve VU-200 |
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| 【Drawing (VU-250)】Pipe in Sleeve: PIS150U (Flame-retardant PIS150NU) | Pipe in Sleeve: Through Flex FP-150 (Flame Retardant Flex NFP-150) / JIS PVC Sleeve VU-250 |
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| 【Drawing (VU-250)】Pipe in Sleeve: PIS150U (Flame-retardant PIS150NU) | Pipe in Sleeve: Through Flex FP-150 (Flame Retardant Flex NFP-150) / JIS PVC Sleeve VU-250 |
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| 【Drawing (VU-250)】Pipe in Sleeve: PIS150U (Flame-retardant PIS150NU) | Pipe in Sleeve: Through Flex FP-150 (Flame Retardant Flex NFP-150) / JIS PVC Sleeve VU-250 |
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| 【Drawing (VP-200)】Pipe in Sleeve: PIS125P (Flame Retardant PIS125NP) | Pipe in Sleeve: Through Flex FP-125 (Flame Retardant Flex NFP-125) / JIS PVC Sleeve VP-200 |
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| 【Drawing (VP-200)】Pipe in Sleeve: PIS125P (Flame Retardant PIS125NP) | Pipe in Sleeve: Through Flex FP-125 (Flame Retardant Flex NFP-125) / JIS PVC Sleeve VP-200 |
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| 【Drawing (VP-200)】Pipe in Sleeve: PIS125P (Flame Retardant PIS125NP) | Pipe in Sleeve: Through Flex FP-125 (Flame Retardant Flex NFP-125) / JIS PVC Sleeve VP-200 |
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| 【Drawing (VP-250)】Pipe in Sleeve: PIS150P (Flame Retardant PIS150NP) | Pipe in Sleeve: Through Flex FP-150 (Flame Retardant Flex NFP-150) / JIS PVC Sleeve VP-250 |
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| 【Drawing (VP-250)】Pipe in Sleeve: PIS150P (Flame Retardant PIS150NP) | Pipe in Sleeve: Through Flex FP-150 (Flame Retardant Flex NFP-150) / JIS PVC Sleeve VP-250 |
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| 【Drawing (VP-250)】Pipe in Sleeve: PIS150P (Flame Retardant PIS150NP) | Pipe in Sleeve: Through Flex FP-150 (Flame Retardant Flex NFP-150) / JIS PVC Sleeve VP-250 |
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Company information
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.
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