List of Water and sewerage materials products
- classification：Water and sewerage materials
226～270 item / All 2875 items
Are you putting off the "soundproofing and sound absorption" in your office? We are offering a document that explains the key points for improvement and the issues that can be resolved.
- Soundproofing/Shielding Unit
It can be quickly implemented in existing facilities such as outdoor areas and lockers where securing power is difficult. Rental options help reduce the costs of implementation and operation.
- Attendance management system
We can propose materials tailored to site conditions for the upstream and downstream of the embankment, as well as for cement-improved soil! We are currently offering our collection of greening case s...
- Embankment
- Slope protection material
- Flood prevention facilities, fire tanks, and flood control ponds
We offer everything from reliable industrial high-pressure gases to LP gas that enriches your life!
- maintenance
- Piping materials (copper pipes, cast iron pipes)
- others
No insulation material needed due to condensation prevention type! For insect and odor prevention! Easy maintenance with inspection opening!
- Piping materials (plastic pipes)
- Piping and insulation
For pest and odor prevention!
- Piping and insulation
- Piping materials (plastic pipes)
Easy maintenance with an inspection port! No insulation needed due to condensation prevention type! Insect and odor prevention measures.
- Piping materials (plastic pipes)
- Piping and insulation
Heat-resistant and chemical-resistant specifications! The main body is made of polysulfone resin.
- Piping and insulation
- Piping materials (plastic pipes)
We offer a diverse lineup tailored to the purpose, type of pipe, and installation location.
- Water and sewerage pipe fittings
- Drainage and ventilation equipment
- Drainage material
The large-diameter VP/VU100 is here! Easy maintenance by removing the damper.
- Piping and insulation
- Piping materials (plastic pipes)
Use by inserting into the pipe! It can be used in places where a standard socket connection is not possible.
- Piping materials (plastic pipes)
For pest and odor prevention! Allowable static pressure is up to -1000Pa.
- Piping and insulation
- Piping materials (plastic pipes)
Achieving the installation of a soft seal partition valve without flanges! With a mechanical type receiving mouth, it excels in seismic resistance and workability, enabling the integration of piping!
- Water and sewerage pipe fittings
Seismic reinforcement of pipelines is achieved through flexible and expandable anti-detachment fittings.
- Water and sewerage pipe fittings
This is a comparison of grid blasting construction. Our company is fully equipped with large blasting equipment for both sand blasting and grid blasting.
- Spatial Design
- Piping materials (copper pipes, cast iron pipes)
- Bridge Materials
Complete in-house construction, large size, from design to painting finished. Can be confirmed with photos.
- Rainwater tank
- Drilling Machine
- Ground foundation construction method
It is used for various purposes, such as barricades for work inside manholes and as a screen for the work site.
- Gates, walls and fences
- Water and sewerage pipe fittings
- Pipeline Construction
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Automatically opens and closes using only the power of water, responding to emergencies without human intervention. A measure against water damage from sudden heavy rain and storm surges.
- Flood prevention facilities, fire tanks, and flood control ponds
The drainage efficiency is about seven times that of conventional types! It forcibly captures groundwater, enabling reliable drainage.
- Piping materials (plastic pipes)
A lineup of products that are translucent and easy to confirm adhesion, etc.! Around the pump.
- Piping materials (copper pipes, cast iron pipes)
Effective utilization of wastewater! This is a soil microbial membrane treatment system developed with the concepts of environmental conservation, energy saving, and recycling.
- Flood prevention facilities, fire tanks, and flood control ponds
- Turbid water and muddy water treatment machines
Electric fusion welding using a barcode controller
- Piping materials (plastic pipes)
This is a hot spring tank that has received high praise from the hot spring industry!
- Rainwater tank
Power-free gate valve electric wrench. With a 4-stage switching gear, it achieves a high-speed rotation of 99 rpm! Opening and closing large valve handles is a breeze.
- Water and sewerage pipe fittings
- Work tools
Started sales and rental services for the electric wrench DA1-S for gate valves.
PLARAD Co., Ltd. will start selling and renting the power-free gate valve electric wrench DA1-S from January 13, 2021. The PLARAD gate valve electric wrench easily solves the challenging task of opening and closing large valve handles manually, which is often difficult in pump stations, water treatment facilities, refineries, and factory plants for gate valves and butterfly valves. Since it does not require a power source, it can improve the efficiency of valve operations in various field locations. We also manufacture dedicated tip adapters tailored to the handle shapes of your gate valves, making it an all-in-one package ready for immediate use. To ensure that anyone on-site can easily utilize it, you can rent it conveniently without purchasing, allowing for timely rentals charged to project expenses. The rental period starts from 4 days. We encourage you to take advantage of this rental opportunity. ■【Specifications of the Gate Valve Electric Wrench】 DA1-05S: Output torque 150Nm to 550Nm, rotation speed 118rpm, weight 5.1kg DA1-13S: Output torque 290Nm to 1300Nm, rotation speed 48.3rpm, weight 6.2kg
Simultaneous measurement and display of four types of gases: oxygen, combustible gas, hydrogen sulfide, and carbon monoxide.
- Manhole body
Good news for pipe rehabilitation methods using aging sewer pipes! It's an all-around support system that reduces on-site work.
- Piping materials (concrete pipes)
Available in 0.1mm and 0.5mm! A compact and lightweight simple filter with built-in stainless steel mesh.
- Water and sewerage pipe fittings
The cracking pressure is 0.01 MPa! Depending on the application, we offer a lineup of 8 shapes in 2-way and 3-way configurations.
- Water and sewerage pipe fittings
The operating release pressure comes in three types: 0.3MPa, 0.6MPa, and 1MPa! It prevents excessive pressure buildup in the line.
- Water and sewerage pipe fittings
The vacuum membrane opens due to the pressure within the system, securing flow paths in three directions!
- Water and sewerage pipe fittings
The PPSU body complies with KTW-BWGL! Valve with needle function that allows for arbitrary opening and closing adjustments of the line.
- Water and sewerage pipe fittings
Spindle type that controls the ON-OFF of the line! Comes with a fixed nut that is easy to install.
- Water and sewerage pipe fittings
A button type that allows for attachment and detachment during the line! It has a built-in valve that shuts off the flow path when detaching.
- Water and sewerage pipe fittings
Introducing the Mitsuba Drain, a buried pipe that plays an active role on the sun-dried floor of the water purification plant!
- Piping materials (copper pipes, cast iron pipes)
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.
For connecting two or more tanks for suction and discharge of bathhouse and pool water.
- Water and sewerage pipe fittings
We have a variety of nozzles available to meet your usage conditions.
- Water and sewerage pipe fittings
Highly durable jet nozzles! Single nozzle, double nozzle, triple nozzle.
- Water and sewerage pipe fittings
A dust collector that captures thread scraps, hair, leaves, and garbage before the pump!
- Water and sewerage pipe fittings
Foot pedal for handwashing station 501-283-C
- Water and sewerage pipe fittings
Foot pedal for handwashing station 5001-2-C
- Water and sewerage pipe fittings
Foot pedal for hand washing station 502-283-C
- Water and sewerage pipe fittings
Foot pedal for handwashing station 571-283-C
- Water and sewerage pipe fittings