List of Water and sewerage materials products

Achieve water savings of 80% to a maximum of 95%!

• Water and sewerage pipe fittings

A manhole cover that stands independently within the frame! No need for a place to put the cover even in planted areas!

• Manhole body
• Rainwater tank

Achieve a reduction in cleaning frequency! A drainage grate leaf prevention net with a V-shape that collects debris in the center.

• Manhole body
• Rainwater tank
• Water and sewerage pipe fittings

A groundbreaking renewal technology that revives pipes! Introducing five methods tailored to different applications!

• Water and sewerage pipe fittings
• maintenance

A flexible joint with excellent flexibility, seismic resistance, and vibration resistance, suitable for long-term installation.

• Water and sewerage pipe fittings

We offer one-stop support for manufacturing beyond resin machining products!

• Piping materials (plastic pipes)
• others

Prevent solidification of fluids with a double-tube structure! Various fittings available from 10A to 400A!

• Water and sewerage pipe fittings

For ultra-high pressure! It demonstrates excellent durability and seismic resistance!

• Water and sewerage pipe fittings

Compatible with repeated bending and displacement absorption! A fluororesin hose with a small bending radius and equipped with a blade!

• Water and sewerage pipe fittings

Achieve temperature control in piping equipment at a low cost and reduce maintenance costs! We offer a comprehensive service from design and manufacturing to installation, tailored to your piping need...

• Piping Equipment
• Water and sewerage pipe fittings

Since its release, it has achieved sales of over 2 million units.

• Piping Equipment
• Water and sewerage pipe fittings
• Rock drills, demolition machines, and excavators

By using a flange collar, it is possible to manufacture between short surfaces.

• Water and sewerage pipe fittings

The use of flange colors enables production between short surfaces.

• Water and sewerage pipe fittings

Support for processing various types of packing surfaces.

• Water and sewerage pipe fittings

Support for processing various packing surfaces.

• Water and sewerage pipe fittings

We can also accommodate processing of various packing surfaces.

• Water and sewerage pipe fittings

Easy to handle, gasket (packing) seal type

• Water and sewerage pipe fittings

Maintenance-free due to metal seals.

• Water and sewerage pipe fittings

Union joint structure for core built-in type / water supply pipe end anti-corrosion joint.

• Water and sewerage pipe fittings

Welded joint of bag nut type fitting to tube

• Water and sewerage pipe fittings

Capable of handling all pressure and temperature conditions.

• Water and sewerage pipe fittings

Equivalent drainage capacity to circular pipes! Ideal concrete products for buried street gutters and buried drainage ditches.

• Piping materials (concrete pipes)

Thermostat for hot water mixing that provides an appropriate hot water environment.

• Shower unit
• Drainage and ventilation equipment
• Water and sewerage pipe fittings

Basic type of crosswave! Plastic storage material that accommodates deep burial depths.

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

For the suppression of rainwater runoff and effective utilization of rainwater! Plastic storage material that withstands strong vertical loads.

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

For the suppression of rainwater runoff and effective utilization of rainwater! Plastic storage materials that meet diverse needs.

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

The Crosswave series has the highest void ratio! For rainwater runoff control and effective utilization of rainwater! Suitable for a wide range of facilities from large to small scale.

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

Secure a large water surface with space-saving design! Anti-slip finishing and measures against debris accumulation included!

• Concrete construction
• Piping materials (concrete pipes)

A PVC pipe with thin wall thickness that can be cut with a saw!

• Piping materials (plastic pipes)

Waterproofing effect and deterioration suppression! A waterproofing material that inhibits water intrusion in concrete structures.

• Flood prevention facilities, fire tanks, and flood control ponds
• Waterproofing work
• Parking lot facility construction

We offer reliable quality and variety!

• Slope protection material
• Piping materials (copper pipes, cast iron pipes)
• Water and sewerage pipe fittings

We provide high-value-added services with a variety of technologies that support steelmaking.

• Piping materials (copper pipes, cast iron pipes)
• Steel
• others

Fire compartment penetration materials, insulated copper pipes for air conditioning, and air conditioning piping materials, etc.

• Air conditioning
• Work tools
• Water and sewerage pipe fittings

We provide essential sluices for controlling agricultural water and reliable bridges with assured safety.

• Bridge Construction
• Watergate

Our appropriate welding technology enables functionality! A water storage tank that can be used for a long time.

• Other civil engineering works
• Flood prevention facilities, fire tanks, and flood control ponds
• Refrigeration units, boilers, cooling towers

Free distribution of the comprehensive catalog - Seiwa Electric's cable accessories.

• Waterproof, moisture-proof, explosion-proof lighting fixtures
• Water and sewerage pipe fittings
• Power distribution and control panels

For the production of aluminum water gates and aluminum welded steel, please feel free to contact Alloy!

• Watergate

Certified Assembly Manhole by the Japan Sewage Works Association - Evahole

• Manhole body
• Water Supply Facilities
• Sewerage facilities

We aim to be a community-oriented and problem-solving company!

• Piping materials (copper pipes, cast iron pipes)
• Water and sewerage pipe fittings
• maintenance

Economical with fewer civil engineering works! A gate born from product development through technological collaboration.

• Watergate
• Corrugated products/liner plates
• Other civil engineering works