Introducing flood prevention products for tsunami and heavy rain measures!

Flood prevention measures by a seal manufacturer! Protecting essential equipment from tsunamis and heavy rainfall.

last updated Jul 18, 2023

Water Stop Wall "Hexa Gate Plug"

Post-installation water shut-off confirmation is possible! The manhole structure features an easy-to-open and close pin insertion mechanism operated by a handle.

last updated Dec 07, 2022

Hexa Seal Cover for Wall Penetration Piping <Intense Rainfall>

Absorbs displacement with rubber and prevents wall cracks! Since it is a one-cut product, post-construction is possible.

last updated Oct 27, 2022

Water-tight door "Hexa Shield A"

Waterproof doors made by a seal manufacturer. It ensures stable water-stopping performance without the need for torque management. [Video available]

last updated Oct 28, 2022

Ground opening slide hatch "Shell Cover"

We protect underground structures from risks such as flooding due to storms and tsunamis, and fire spread from nearby fires! [Video available]

last updated Dec 07, 2022

Various pipeline stop valves "Hexa Plug"

A closing plug that excels in lightweight, airtightness, and durability, and is active in a wide range of fields!

last updated Oct 27, 2022

Pressure-type expansion seal "Tube Seal"

Can seal large gaps! Pressure management allows for adjustment of sealing surface pressure.

last updated Jun 14, 2024

Pressure-resistant tube "RIP-TUBE"

Can be used for various applications such as space sealing materials and sealants! Cylindrical rubber tube.

last updated Oct 26, 2022

Rubber flexible hose leakage prevention "EMG Seal Cover"

By layering the cover rubber on the periphery, we ensure pressure resistance!

last updated Oct 28, 2022

Entrance seal device "RIPP"

A lineup including the self-sealing type "Type-A (Automatic)" for launching!

last updated Oct 27, 2022

We propose flood prevention products to prepare for tsunamis and heavy rainfall [Helpful materials available].

An oil seal manufacturer is seriously developing! Introduction of the lineup and achievements of flood prevention products such as water stop doors and water stop devices. *Free rubber property quick reference chart available.

last updated Aug 01, 2025

Flexible Rubber Seal Ω Type for Shield Tunnel Joints

Capable of absorbing various stresses and displacements! It has excellent pressure resistance due to the rubber with fabric.

last updated Oct 28, 2022

Rokubun Rubber Co., Ltd. Company Profile

Contributing to a comfortable life! We draw inspiration from new technologies and create.

last updated Oct 27, 2022