Welcome to the homepage of NIPPON ACCUMULATOR CO.,LTD.

NIPPON ACCUMULATOR CO., LTD. (NACOL ) is the first Japanese manufacturer developped the bladder type accumulator in 1958. NACOL created the long life and high performance bladder type accumulators with innovative designs; for example, " the large openings at the top of accumulators which allow the disassembly/assembly and correct positioning of bladders from the top making the maintenance job very easy" and " the seamless one-piece molded pleated bladder."

Through the production of accumulators at our own facilities, NACOL's huge knowhow has continued to develop with the technical skill of the company. As a result, we have obtained the industrial property (the patents and utility models) of more than 190 patents in Japan and more than 80 patents in foreign countries. Our company's motto is "Health and Safety" . We hope that our employees are not the only people who benefit from this motto, but also their families, local residents, as well as the customers who use our products.

We are committed to doing all we can to assure the safety of our customers by providing products approved by our own quality assurance system which obtained the ISO 9001 approval, as well as the factory approval from the Ministry of Economy,Trade of Industry of Japan, and the inspection authorities from the United States, EU countries, China, Australia and so on.

The accumulator (Acc. ) is a piece of equipment used for storing fluid power gradually in the form of compressed gas converting a small amount of energy into one big energy source. Therefore, the accumulator can be used for many kinds of applications as energy saving equipment for industrial machinery ( e.g. steel manufacturing machines, hydraulic oil rigs and injection molding machines etc ). It also can be used to absorb pulsations or shocks in the fluid piping for petrochemical and chemical plants.