List of Water and sewerage materials products

Clear visibility with transparent glass! Recommended for store and building entrances.

• Disaster prevention fittings
• Entrance/Exterior Doors

Hose available in three different types of tubes.

• Piping and insulation
• Water and sewerage pipe fittings

Hose available in three different types of tubes.

• Piping and insulation
• Water and sewerage pipe fittings

A hose that can be chosen from three different types of tubes.

• Piping and insulation
• Water and sewerage pipe fittings

Weld-free flexible hose that does not use welding in assembly.

• Piping and insulation
• Water and sewerage pipe fittings

Compatible with small to large diameters! Flanged flexible hose.

• Piping and insulation
• Water and sewerage pipe fittings

Compatible with small to large diameters! Flanged flexible hose.

• Piping and insulation
• Water and sewerage pipe fittings

NFK's hit product! Flanged flexible hose

• Piping and insulation
• Water and sewerage pipe fittings

High quality! Weldless type flange flexible hose.

• Piping and insulation
• Water and sewerage pipe fittings

The flexible hose with hand-knitted braid has excellent pressure resistance!

• Water and sewerage pipe fittings

The flexible hose with hand-knitted braid has excellent pressure resistance!

• Water and sewerage pipe fittings

The flexible hose with hand-knitted braid has excellent pressure resistance!

• Water and sewerage pipe fittings

Long-length compatible design!

• Water and sewerage pipe fittings

Long-length compatible design!

• Water and sewerage pipe fittings

Ministry of Land, Infrastructure, Transport and Tourism Specification Flexible Hose

• Piping and insulation
• Water and sewerage pipe fittings

NFK's popular vibration-absorbing, highly durable flexible hose!

• Piping and insulation
• pump
• Water and sewerage pipe fittings

Flexible hose for corrosive liquid storage tanks

• Piping and insulation
• Septic tank equipment
• Water and sewerage pipe fittings

NFK hit product! Sanitary hose

• Piping and insulation
• Water and sewerage pipe fittings

Ideal for piping that requires frequent attachment and detachment because it can be easily removed!

• Piping and insulation
• Water and sewerage pipe fittings

Excellent flexible material with pressure resistance and chemical resistance functions!

• Piping and insulation
• Water and sewerage pipe fittings

High-pressure gas safety law (KHKS0803) compliant hose!

• Piping and insulation
• Gas equipment
• Water and sewerage pipe fittings

Low recoil, high performance, and adjustable caliber with ease!!

• Piping materials (copper pipes, cast iron pipes)

NFK's most popular No. 1 expander!

• Subsidiary materials
• Water and sewerage pipe fittings

Because of the double structure, temperature regulation of the fluid is possible!

• Piping and insulation
• Water and sewerage pipe fittings

The double-structured flex allows for temperature management of fluids!

• Piping and insulation
• Water and sewerage pipe fittings

Excellent flexible material with heat resistance and chemical resistance!

• Piping and insulation
• Water and sewerage pipe fittings

Excellent flexible material with heat resistance and chemical resistance!

• Piping and insulation
• Water and sewerage pipe fittings

Excellent flexible material with outstanding features such as heat resistance and chemical resistance!

• Piping and insulation
• Water and sewerage pipe fittings

Excellent flexible material with outstanding properties such as heat resistance and chemical resistance!

• Piping and insulation
• Water and sewerage pipe fittings

Flexible hose for vacuum piping

• Piping and insulation
• Water and sewerage pipe fittings

Flexible hose for vacuum piping

• Piping and insulation
• Water and sewerage pipe fittings

World's smallest flexible hose with a diameter of 3mm!

• Piping and insulation
• Water and sewerage pipe fittings

Ideal for piping that requires frequent attachment and detachment because it can be easily removed!

• Piping and insulation
• Water and sewerage pipe fittings

Customize according to the installation conditions and can be manufactured in a short period! Introducing fittings with a structure that has valleys.

• Piping and insulation
• Water and sewerage pipe fittings
• Fittings

VVF cable with a structure that makes it easy to separate the earth wire. Effective in reducing wiring work time! Achieves reduced construction, reduced waste, and resource conservation!

• Water and sewerage pipe fittings

Have you ever had a scary experience when going up or down a manhole? The non-falling manhole "iBox" ensures safety! Installation and dismantling are a breeze!

• Manhole body

Have you ever had a scary experience when going up or down a manhole? The 'iBox' manhole that doesn't fall ensures safety! Installation and dismantling are a breeze!

• Manhole body

A self-supporting manhole rehabilitation method that has received construction technology examination certification maintains strength equivalent to that of a newly installed manhole! Here is an expla...

• Manhole body

No special construction techniques required! A method using reinforced plastic composite pipes with high acid resistance and high load capacity.

• Manhole body

No special materials or construction techniques are required, and it can be completed in a short period of about 4 to 5 days! Here are the construction steps for the SS Hall System!

• Manhole body
• Dam construction
• Water Supply Facilities

Introducing case studies of the self-supporting manhole rehabilitation method "SS Hole System"! Achieving shortened construction time and quality assurance through the use of factory-produced products...

• Manhole body

Load-bearing capacity equivalent to new! A rehabilitation method that simply extends the lifespan of aging manholes.

• Manhole body
• Water Supply Facilities
• others

Applicable to manholes with reduced residual strength, such as those with cracks!

• Manhole body
• Dam construction
• Water Supply Facilities

Certification obtained! Types 1 to 4! Manhole depth 10m! Construction method using high acid resistance and high load-bearing reinforced plastic composite pipes. No special construction techniques req...

• Manhole body
• Dam construction
• Water Supply Facilities

Supports inspection certificates No. 1 to 4 up to 10m! No special construction techniques required! A method using reinforced plastic piping materials with high acid resistance and high load-bearing c...

• Renovation and repair methods
• Manhole body

Achieving a long service life and excellent valve performance! Introduction of water-type butterfly valves.

• others
• Piping materials (plastic pipes)