Certifications

HISAKA believes that continuing to gain the trust and ease of mind of our customers will lead to the long-term growth of our company.
Moving forwards, we will continue to construct structures that provide products and services that exceed our customers' expectations.

  • Heat Exchanger Division
  • Process Engineering Division
  • Valve Division

Heat Exchanger Division

Plate Heat Exchangers produced by the Heat Exchanger Division are capable of
product manufacturing based on the following standards and laws.

ASME U Stamp

  • The ASME U Stamp is a standard on pressure vessels determined by the American Society of Mechanical Engineers (ASME) in the United States.

Class NK

  • We received approval from the Nippon Kaiji Kyokai, which performs reviews of quality systems, manufacturing technology, and equipment of businesses that manufacture, repair, or maintain class boats or the materials, instruments, and the like used in class boats.

Construction Code for Pressure Vessels

This is a standard on pressure vessels based on the Industrial Safety and Health Act determined by the Ministry of Health, Labour and Welfare.

High Pressure Gas Safety Act

This is a law on pressure vessels based on the High Pressure Gas Safety Act determined by the Ministry of Economy, Trade and Industry.

Electricity Business Act

This is a law on pressure vessels based on the Electricity Business Act determined by the Ministry of Economy, Trade and Industry.

ISO9001

  • The Heat Exchanger Division has acquired ISO9001 certification on its quality management system for all products, including its plate heat exchangers.

Process Engineering Division

The Process Engineering Division can provide pressure vessels to China
as a manufacturer (plant) given permission by the Chinese government.

People's Republic of China special equipment manufacturing permission

  • Acquisition is required when applicable special equipment designed and manufactured in Japan is to be exported or sold to China or installed or used in China. HISAKA has plant certification.

ISO9001

  • The Process Engineering Division has acquired ISO9001 certification on its quality management system for products such as sterilizers / disinfectors and dyeing and finishing machinery.

Valve Division

The Valve Division manufactures products based on the following standards and laws.
We will continue to improve our quality control level to gain even deeper trust from our customers.

API 6D-0051

  • These are standards on petroleum, and 6D is a standard on pipelines.
    This verifies our high quality which even passed the severe approval review of the American Petroleum Institute (with a renewal review once every three years).

Fire Safe Test

  • We acquired the API STANDARD 607 on February 21, 2001.

ISO9001

  • The Valve Division uses a process approach to improve the validity of its quality management system and clarifies the processes in the organization, combining this with management to monitor the mutual relationship, thus applying that whole process as a system.

HISAKA has also acquired ISO45001 certification as a company that continuously strives to create a workplace environment
that is friendly to the safety and health of its employees, and ISO14001 certification as a company that contributes to
the global environment through its business activities, products and services.
For more details, see the "Social Contributing" page.