List of 管 products
496~540 item / All 6627 items
Adopting weather-resistant resin, this piping fixture is ideal for outdoor installation as it is resistant to deterioration in rain, wind, and sunlight.
- Piping Equipment
- Parts and Materials
We will contribute to a "safe and secure" future through continuous technological innovation!
- Piping materials (plastic pipes)
There are numerous achievements in water supply to remote islands and the extraction of deep seawater. A composite structure polyethylene pipe with excellent corrosion resistance, pressure resistance,...
- Airport facilities
A next-generation water supply pipe that realizes kindness to people and the environment.
- Piping and insulation
- Water and sewerage pipe fittings
A method for repairing mounting pipes made of polyethylene resin materials.
- Special Construction Method
Achievements in combining large-diameter bend pipes over Φ1000mm and T-shaped pipes. Comprehensive processing of expansion joint fittings.
- Water and sewerage pipe fittings
Recyclable! It has excellent features such as mechanical strength and corrosion resistance.
- Piping materials (copper pipes, cast iron pipes)
- Piping materials (plastic pipes)
- Piping and insulation
Utilized in various places, mainly in the field of physical chemistry! We also introduce the types of processing we can handle and examples of products.
- Glass Decoration Materials
It's safe to use because it's natural bio power! It deodorizes kitchen waste and suppresses the occurrence of small flies.
- Safety and consumables
The special specification of the Mizuguchi pipe is a PVC gate that is used by sliding the adjustment plate up and down. While standard stock items are available, custom shapes can also be manufactured...
- Gutters and U-shaped gutters
- Agricultural civil engineering works
Cellprest pipe welding joint [Registered in NETIS]
- Dam construction
- Railway Construction
- Erosion control works
Benkan Kiko also manufactures aluminum pipe fittings.
- Rock drills, demolition machines, and excavators
- stone
At Benkan Kiko, we are also focusing on arc-welded steel pipes made of steel plates. We can accommodate small lots and irregular sizes as well.
- Special Construction Method
- Prefab
- others
We are capable of manufacturing ultra-large diameter welded pipe fittings exceeding 48 inches (1200A).
- Railway Construction
- Prefab
- stone
Benkan Kiko Pipe Welding Fittings Extra Large Diameter Products
At Benkan Kiko, we also manufacture fittings that are even larger than standard large-diameter fittings. For details, inquiries, or questions, please contact us through the "Contact Form" below or reach out to your respective office. Sales Headquarters ■ Tokyo Office TEL: (03) 3777-1521 ■ Osaka Office TEL: (06) 6482-1851
For measuring pipe positions and conducting internal camera inspections! The information obtained from the survey can be used as data for the maintenance and management of the pipeline.
- Structural Survey
PE exposed pipes and fittings that can be widely used for exposed and buried piping!
- Fittings
- Piping materials (plastic pipes)
- Piping Equipment
Since it's lever-operated, quick one-touch attachment and detachment is possible! Reduces work time!
- Sanitary fixtures
- Work tools
Recently, have you been worried that the water volume of your well has decreased? You might need plumbing work.
- Ground improvement
- Wells and hot springs
- Water quality/pH measuring device
Regular scale removal through chemical cleaning! Improve blowout incidents and increase in pressure loss!
- maintenance
- Other Management Services
General piping stainless steel pipe joint system UGF lock system (R)
- Subsidiary materials
Leave your equipment construction needs to us!
- Insulation work
FRP drain made by a waterproof company, fits securely into PVC pipe VU50, specialized FRP drain by Iwata Co., Ltd.
- Roof drain
- Waterproof tape, adhesive, drain, protective panel
- Coating film waterproofing material/permeable waterproofing material
Easy to install and handle! Made of synthetic resin, it has excellent corrosion resistance, heat resistance, cold resistance, and weather resistance!
- Watergate
- Drainage material
- Gutters and U-shaped gutters
As a shipping base to Western Japan, we have a selection of products made from frequently used materials, such as inventory items (FSGP, PT370 SUS304W, etc.).
- Fittings
- Sewerage facilities
- Water Supply Facilities
Resin pipe insertion rapid construction
- Fittings
Comprehensive catalog of Airek Giken's non-destructive and non-excavation technology "Esper" for underground buried pipes and cavity exploration.
- Non-destructive testing
A construction method for installation pipes using a combined auger and pressure insertion technique that incorporates special branches with earthquake resistance and water tightness!
- Earthquake-resistant construction method
- Ground foundation construction method
- Renovation and repair methods
Features of easy-to-install and economical polybutene pipes, along with various dimensions, are included!
- others
Rehabilitation of all types of pipes, such as circular, rectangular, and horseshoe-shaped, as a strong composite pipe integrated with existing pipes and rehabilitation pipe backfill material, while ma...
- Sewerage facilities
Realization of flange-less seismic-resistant piping! Installation of shut-off valves and fire hydrants on high-density polyethylene piping can be done using mechanical methods!!
- Fittings
Comprehensive catalog of water supply products! In addition to thermal deformation absorption and vibration absorption of water supply pipes, it also improves earthquake resistance!
- Water and sewerage pipe fittings
Leave it to us for lightweight FRP high-pressure pipes with excellent corrosion resistance and pressure resistance.
- others
No need for connectors! Just screw it in to complete the connection.
- Bridge Construction
- Dam construction
- Airport facilities
Comprehensive Catalog of Machinery and Tools for Processing Pipe Materials and Steel Materials, such as Cutters, Welders, and Cleaning Machines.
- Steel
- Work tools
- Anemometer
Introducing high-performance and easy-to-install drainage pipes! Chosen by many companies and municipalities!
- Other civil engineering services
2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.
The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.
Concrete pipe, heavy pressure pipe
- Joints between components
- Sanitary fixtures
- Piping materials (concrete pipes)
Compared to welding with screws, welding with flanges significantly reduces piping work time. It can be installed by tightening bolts.
- Sanitary fixtures
- Water and sewerage pipe fittings
- Water Supply Facilities
[Free sample available] The optical fiber is protected by a metal tube, making it highly resistant to environmental conditions and easy to install.
- Water and sewerage pipe fittings
Achieved approximately 90% weight reduction with a φ1000 compared to conventional concrete pipes.
- Drainage and ventilation equipment
Easily process insulation materials with steps! Skat Plus series refrigerant pipe insulation material stripper.
- Work tools
A large number of piping fittings essential for lifelines that support daily life and disaster prevention systems are featured!
- Fittings
It is also possible to polish seamless pipes and welded pipes! Introduction of SUS304 decorative pipes.
- others
- Subsidiary materials