It is possible to improve the seismic resistance of pipeline connections at low cost. The area occupied by ground work is small, which reduces the impact on traffic and other factors.
This is a joint for sewer pipes that can be installed regardless of whether they are new or existing, and can flexibly respond to ground fluctuations and displacements (horizontal displacement and bending displacement) caused by seismic motion. It generates minimal waste materials, is low-cost, and minimizes impacts on traffic and other areas, thereby reducing risks in case of emergencies. We offer joints that accommodate various installation conditions such as pipe type, pipe diameter, installation angle, and construction site conditions through a diverse lineup of joints. 【Features】 - There are seismic-resistant flexible joints corresponding to manholes and pipelines, as well as between pipelines. - Seismic-resistant flexible joints can be installed for various types of pipes (Hume pipes, PVC pipes, ceramic pipes, FRP pipes, ribbed pipes). - It is designed to withstand level 2 seismic motion. - The selection of seismic-resistant flexible joints can be made based on construction conditions. Please consult us first. For more details, please contact us or download the catalog.
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basic information
You can view case studies and installation methods on our company website.
Price information
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Applications/Examples of results
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Detailed information
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WRJ (Flexible Joint for Manhole Connections) - Flexible joints can be installed without cutting the pipe. - Flexible joints can be attached to manholes with minimal water replacement.
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AZ rubber joint - Can be installed on manholes and shipped - Compatible with ribbed pipes
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AZ II - Can be installed on a manhole and shipped - Compatible with a combination of 600mm ductile iron pipe and Type 1 manhole
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TTJ - Installation work can be done even from inside the manhole - Compatible with all circular pipelines - Compatible with manholes regardless of existing or new installations - You can watch the behavior test video of TTJ on our company website
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BMPJ - Compatible with large-diameter propulsion pipes and shield pipes - Compatible with all circular pipelines - Compatible with manholes regardless of existing or new installations - Can also accommodate intrusion manholes
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BMJ - The hole diameter is small for inserting the stainless steel sleeve into the manhole. - Compatible with large-diameter thrust pipes and shield pipes. - Compatible with all circular pipelines. - Suitable for both existing and new manholes.
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BPJ - Flexible joint connecting pipes - Can connect different types and diameters of pipes due to special specifications - A flexible expansion joint that allows for very easy connection between existing and newly installed pipes during restoration work, etc.
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SPJ-II - Flexible joint connecting pipes (for small diameters up to φ700mm) - Can connect different types and relations of pipes due to special specifications - A flexible expansion joint that allows for very easy connection between existing and newly installed pipes during restoration work, etc.
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AZPJ - Flexible joint for connecting PVC pipes - Can connect ribbed pipes - Used as a flexible joint to connect the main pipe protected beyond a manhole with a secondary pipe.
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Company information
The Imperial Hume Pipe East Japan Co., Ltd. is a company located in Minato-ku, Tokyo, that handles the sales and construction of concrete secondary products. It manufactures and sells various concrete products such as hume pipes, synthetic steel pipes, and assembled manholes (Adholes), and also produces and constructs seismic flexible joints and non-excavation seismic retrofitting work (seismic joints). ○ What is a hume pipe? A reinforced concrete pipe manufactured by compacting concrete using centrifugal force. It is mainly used as pipeline material for sewage systems. ○ What is a seismic flexible joint? It is a joint between pipes and between pipes and manholes. It can be used for new installations as well as for non-excavation seismic retrofitting work on existing manholes.