List of Water and sewerage materials products

100% recycled gypsum derived from waste gypsum boards is reused as raw material, achieving effective carbon neutrality during manufacturing!

• Gypsum board and moldings

Developing equipment and technology for air conditioning, water supply and drainage, and kitchen drainage!

• Air conditioning equipment
• Water Treatment Plant
• Water supply facilities

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

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)

Apply zero leakage tapered plugs to prevent water leakage! The wide surface top reduces rotational torque.

• others
• Piping materials (plastic pipes)

Apply a stable body assembly method! Repetitive PTFE gland packing prevents external leakage.

• others
• Piping materials (plastic pipes)

Introducing a table that includes standard specifications, applicable standards, liner molding methods, and more!

• others
• Piping materials (plastic pipes)

Stable flow is controlled by the ATM! The center of gravity is positioned at the sealing point during manufacturing.

• others
• Piping materials (plastic pipes)

The spindle and sleeve are resistant to corrosion and wear, maintaining the smooth operation of the handle!

• others
• Piping materials (plastic pipes)

Adopting a stable body assembly method! It has excellent sealing performance with stable round contact.

• others
• Piping materials (plastic pipes)

We offer a variety of products, including ball valves, swing check valves, and safety valves!

• others
• Piping materials (plastic pipes)

Ideal for environments requiring high purity operations! We also introduce design conditions for pipe and fitting, and flange diameters.

• others
• Piping materials (plastic pipes)

On-site assembly with a simple press machine is possible! It has excellent oil resistance and wear resistance.

• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)
• Piping and electrical wiring materials

It is possible to apply insulation material covering and exterior wire blade processing! Introduction of hose for phosphate esters.

• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)
• Piping and electrical wiring materials

Adopting newly developed ultra-fine wires! It has become possible to use narrow piping and piping with an extremely small bending radius.

• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)
• Piping and electrical wiring materials

Introducing the super high nylon hose, which boasts excellent electrical insulation properties, superior internal cleanliness, and the ability to use a wide range of fluids!

• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)
• Piping and electrical wiring materials

A super high-pressure hose specially designed for tools that can withstand ultra-high pressures such as hydraulic punchers!

• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)
• Piping and electrical wiring materials

Due to the increasing demand, we have added a new series for high-pressure washing and civil engineering work!

• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)
• Piping and electrical wiring materials