Piping Construction

Based on our broad construction experience, we specialize in highly difficult piping work such as plumbing for pharmaceutical, food factories, and dust-free construction in special clean rooms.

Piping Construction Fields and Technologies

Plant Piping

○ Design and Construction ○ SGP Piping ○ SUS Piping ○ Resin Piping ○ Copper Piping ○ Sanitary Piping ○ Pneumatic Piping ○ Solvent Piping ○ Penetration Bead ○ Fluorine lined piping ○ GL Piping ○ Abrasive Piping ○ EP and Passivation Piping ○ Small Diameter Tube Welding Piping

Air Piping

○ Design and Construction ○ Leak Repair ○ Pressure Reducing Valve Replacement ○ Filter Installation ○ Auto Drain Installation ○ Dryer Installation ○ Cylinder Replacement ○ Instrumentation ○ Blow Efficiency ○ Nitrogen ○ Oxygen ○ Carbon Gas

Steam Piping

○ Design and Construction ○ Leak Repair ○ Valve Replacement ○ Pressure Reducing Valve Replacement ○ Trap Replacement ○ Thermal Insulation ○ Steam Header Production ○ Steam Hammer Prevention ○ Cans and Legal Inspection ○ Energy Saving of Trap ○ Maintenance of Safety Valve ○ Recovery of Waste Hot Water ○ Collection of Drainage

Water Supply and Drainage Pipe

○ Design and Construction ○ Pump Repair ○ Drainage Clogging/Leakage Repair ○ Endoscope Camera Inspection ○ Panel Tank Installation ○ Water Pipe Cleaning

We are able to provide a full range of services from design to installation, even for special piping work.

    • General utility piping for water, steam, air, etc.
    • Gas piping

for clean nitrogen and other gases in laboratories

  • Piping of polishing, electrolysis, and Oil-free specifications such as SUS304, 316L for chemical liquids, etc.
  • Resin piping such as PVC and polyethylene
  • Chemical piping requiring validation 【Piping with automatic welding machine】
  • Electrical Work for Exposed Piping in Factory
  • Bus Duct Work
  • Electrical Work in Clean Room
  • Sanitary Piping Work with GMP Compliance
  • Production of Documents for Government Offices
  • Stainless Piping Work



Piping Design and Planning


Our unique piping technology and many years of experience enable us to design and plan your facility in the best possible way.

Our contractors have a comprehensive understanding of all aspects of production facilities. Please consider us for new construction starts throughout Japan and even overseas.

Piping Construction at Mochizuki Kogyosho

Special Piping

We specialize in special piping construction that requires advanced construction techniques, such as sanitary piping, work in cleanrooms, and work in explosion-proof facilities, and we have earned the trust of our customers.

GMP, CGMP Support

We build, construct, and maintain international pharmaceutical, pharmaceutical, and food production plants in compliance with GMP and CGMP requirements in the US FDA, EU, and other countries. We provide highly reliable management of our clients’ production facilities in accordance with global standards.

Facilities Validation

We understand the significance of validation imposed on production plants, and can assist not only with accurate construction, but also with efficient validation work at plant facilities through regular measurement, maintenance, and management records.

Surface Treatment Support for Manufacturing Facilities

We also provide manufacturing equipment fabrication and processing, as well as surface treatments such as stainless steel electropolishing (EP) and passivation (PASIVATE).


Inspection, Regular Maintenance, Validation Troubleshooting and Repair

We are available for inspection, maintenance, servicing and validation of piping facilities.
We are also available to respond to troubleshooting and repair requests.

・Energy/Source Saving Equipment
・Spot Air Conditioning
・Local exhaust/environmental improvement work
・Equipment maintenance/CFC recovery

配管工事の定期メンテナンス バリデーション トラブル対応 修理配管工事の定期メンテナンス バリデーション トラブル対応 修理

Example of Piping Installation

Click here for our track record of piping construction for factories, plants, sanitary piping, cleanrooms, etc.


Our Field of Expertise

Piping Construction


Air Conditioning Facilities


Manufacturing Machinery Equipment


Electrical Works


Energy Saving
Cost Reduction


In-house Consumption Type
Solar Power Generation