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 newly constructed or existing, and can flexibly respond to ground movement and displacement (horizontal displacement and bending displacement) caused by seismic activity. It generates minimal waste materials, is low-cost, and minimizes impacts on traffic and other factors, thereby reducing risks in case of emergencies. We propose 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 for manholes and pipelines, as well as between pipelines. - Seismic-resistant flexible joints can be installed for various types of pipes (concrete 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 tailored 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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Delivery Time
Applications/Examples of results
For more details, please contact us.
Detailed information
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WRJ (Flexible Joint for Manhole Connection) - 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 from inside the manhole. - Compatible with all circular pipelines. - Suitable for both existing and new manholes. - 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 insertion manholes
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BMJ - The drilling 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 relationships of pipes due to special specifications - A telescopic flexible 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 branch pipe
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Company information
Hume Pipe East Japan Co., Ltd. is a company located in Minato-ku, Tokyo, that deals with the sales and construction of concrete secondary products. We manufacture and sell various concrete products such as Hume pipes, synthetic steel pipes, and assembled manholes (Adholes), and we also produce and construct seismic flexible joints and non-excavation seismic retrofitting work (seismic joints). ○ What is a Hume pipe? A reinforced concrete pipe manufactured by compacting concrete with centrifugal force. It is mainly used as a 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 applied in new installations as well as in non-excavation seismic retrofitting work for existing manholes.