NACOL List of Products and Services

The "Accumulator Comprehensive Catalog 2024" introduces NACOL's products, which have been providing unique top-maintenance-type accumulators to the market for over 60 years. An accumulator is a pressure vessel that stores liquid energy and functions similarly to a rechargeable battery. It enables the miniaturization of hydraulic pumps and electric motors, as well as idling stop operation, which helps reduce peak power and lower energy consumption. This catalog includes detailed points for selection, flow, and basic knowledge, making it a useful resource for selection. [Featured Products] ■ Bladder-type accumulators ■ Piston-type accumulators ■ Accessories ■ Tools ■ Spare parts ■ Other products, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Other physicochemical equipment

This product is a super high-pressure accumulator boasting a maximum operating pressure of 85MPa. It features a seamless, integrally molded design and uses a bladder with a pleated structure that has a long lifespan. Our unique design allows for easy maintenance from the top, enabling simple bladder replacement without removing it from the piping. Additionally, it comes equipped with an air supply valve that has a melting plug function. 【Features】 ■ Maximum operating pressure: 85MPa ■ Seamless, integrally molded design with a long-lasting pleated bladder ■ Air supply valve with a melting plug function *For more details, please refer to the PDF document or feel free to contact us.

• others

The small, low-cost accumulator "J Series" is the smallest bladder-type accumulator in our product line, featuring the least gas volume. It can be directly connected to piping threads. With over 60 years of experience in manufacturing accumulators, we have developed a unique "Easy Maintenance Top Type Accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, while consistently providing products and services that satisfy our customers and continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The Standard Small and Medium Accumulator "N·A Series" is a standard type accumulator. With over 60 years of experience in manufacturing accumulators, we have developed a unique "Easy Maintenance Upper Type Accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The Standard Large Accumulator "N (Y·A·H) Series" is a large accumulator with standard specifications. With over 60 years of experience in manufacturing accumulators, we have developed a unique "Easy Maintenance Upper Type Accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from our customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The "P Series Piston-Type Accumulator" is made of carbon copper. With over 60 years of experience in manufacturing accumulators, we have evolved the technology cultivated since our founding in response to the increasing demands from customers and the market for "higher quality and safety." Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog or contact us.

• Hydraulic Equipment

The "N.Y Series" high-flow (large type) accumulator is a large bladder-type accumulator designed for high flow rates. With over 60 years of experience in manufacturing accumulators, we have developed a unique "easy maintenance upper type accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from our customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The "A Series" high-flow (medium-sized) type accumulator is a medium-sized bladder-type accumulator designed for high flow specifications. With over 60 years of experience in manufacturing accumulators, we have developed a unique "easy maintenance upper type accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from our customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers, continuing our evolution. For more details, please download the catalog.

• Hydraulic Equipment

The "A.N Series" super high-flow type accumulator is a bladder-type accumulator designed for ultra-high flow specifications. With over 60 years of experience in manufacturing accumulators, we have developed a unique "easy maintenance upper type accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from our customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The large-diameter, slim-type 25MPa accumulator "U Series" is a product with a narrower outer diameter compared to the N Series. With over 60 years of experience in manufacturing accumulators, we have thoroughly considered product maintainability and safety, and we offer a unique "Easy Maintenance Upper Type Accumulator" to the market. In response to the increasing demands for "higher quality and safety" from customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The Pulse Damper "J Series" is a product equipped with a mechanism that allows fluid to flow directly in and out of the accumulator, enhancing pulsation and shock absorption effects. With over 60 years of experience in manufacturing accumulators, we have developed a unique "Top Easy Maintenance Accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The Super Pulse Damper "A.N Series" is a product equipped with a mechanism that allows fluid to flow directly in and out of the accumulator, enhancing pulsation and shock absorption effects. With over 60 years of experience in manufacturing accumulators, we have developed a unique "Easy Maintenance Top Accumulator" that prioritizes product maintainability and safety. In response to the increasing demands from customers and the market for "higher quality and safety," we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The stainless steel (small type) accumulator "J-N series" is made of materials such as SUS304, SUS316, and SUS316L. The J series can be directly connected to piping threads (Rc3/4). With over 60 years of experience in manufacturing accumulators, we have developed our unique "easy maintenance upper structure accumulator" with a focus on product maintainability and safety. In response to the increasing demands from customers and the market for "higher quality and safety," we have evolved the technology we have cultivated since our establishment. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The stainless steel (medium and large) accumulator "A.R.N.Y series" has a standard material of SUS304. SUS316L is also available. With over 60 years of experience in manufacturing accumulators, we have developed a unique "easy maintenance upper type accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from customers and the market, we have evolved the technology we have cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers, continuing our evolution. For more details, please download the catalog.

• Hydraulic Equipment

The "spring-type safety valve" releases gas from the accumulator into the atmosphere when the pressure exceeds the set limit. It is a certified product in accordance with the High-Pressure Gas Safety Act. There are three types of connection diameters, and it can be used with accumulators other than ours. The spring-type safety valve begins to discharge at a pressure of 97% to 100% of the set pressure. For more details, please download the catalog or contact us.

• Hydraulic Equipment

The low-pressure specification accumulator "E series" features a structure that allows fluid to flow inside the bladder, making it resistant to rust and suitable for dampening pulsations and shocks on the suction side and return circuit. With over 60 years of experience in manufacturing accumulators, we have evolved our technology in response to increasing demands from customers and the market for "higher quality and safety." Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will consistently provide products and services that satisfy our customers while continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The pulsating shock absorption accumulator "G series" is an inline type accumulator. It can be installed in the middle of piping and is optimal for pulsation absorption. It is particularly effective for high-frequency pulsation absorption, reducing the pulsations that cause vibrations and noise in the circuit. Additionally, it is a top-maintenance type accumulator that allows for bladder replacement and disassembly inspection while in the piping state. With over 60 years of experience in manufacturing accumulators, we have developed our unique "top-maintenance type accumulator" with a focus on product maintainability and safety. In response to the increasing demands for "higher quality and safety" from customers and the market, we have evolved the technology we have cultivated since our founding. We will continue to provide products and services that always satisfy our customers and continue to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The pulsating shock-absorbing accumulator "S Series" is an inline type accumulator. It can be used both vertically and horizontally, making it space-saving. It has a large flow rate with minimal pressure loss. With over 60 years of experience in manufacturing accumulators, we have evolved our technology in response to the increasing demands for "higher quality and safety" from our customers and the market. We will continue to provide products and services that consistently satisfy our customers and keep evolving. For more details, please download the catalog.

• Hydraulic Equipment

The "Oil Tank Dust-Proof Accumulator L Series (DynaClean)" seals the tank to prevent dust intrusion, contamination of operating oil, and oxidative degradation. As the oil volume changes, the volume of the air layer inside the tank fluctuates. This fluctuation causes the bladder inside the DynaClean to expand or contract, stabilizing the pressure within the tank. Additionally, by installing a sensor-equipped intake and exhaust valve in the DynaClean, it becomes possible to detect abnormal intake and exhaust volumes and monitor system anomalies. For more details, please download the catalog or contact us.

• Hydraulic Equipment

The screen-type accumulator "N.Y Series" eliminates the poppet from the oil supply and discharge valve, instead providing a passage hole through a small hole, which protects the bottom of the bladder. It is suitable for absorbing pulsations in low-pressure lines and for shock cushioning. With over 60 years of experience in manufacturing accumulators, we have developed our unique "Easy Maintenance Upper Type Accumulator" with a focus on product maintainability and safety. In response to increasing demands from customers and the market for "higher quality and safety," we have evolved the technology cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, and we will provide products and services that consistently satisfy our customers, continuing our evolution. For more details, please download the catalog.

• Hydraulic Equipment

The simple transfer barrier type accumulator "A.N Series" features a bladder equipped with a bladder mask in its inner chamber, allowing for the transfer of fluids, pressure transmission, supply of low differential pressure fluids, and fluid pressurization tasks through this bladder mask. With over 60 years of experience in manufacturing accumulators, we have developed a unique "top easy maintenance type accumulator" that prioritizes product maintainability and safety. In response to the increasing demands for "higher quality and safety" from customers and the market, we have evolved the technology cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, while consistently providing products and services that satisfy our customers and continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The transfer barrier type accumulator "Y・N series" features an inner tube installed in the bladder's inner chamber, allowing for the transfer of fluids, pressure transmission, supply of low differential pressure fluids, and fluid pressurization tasks through this inner tube. With over 60 years of experience in manufacturing accumulators, we have developed a unique "easy maintenance upper type accumulator" that prioritizes product maintainability and safety. In response to increasing demands from customers and the market for "higher quality and safety," we have evolved the technology cultivated since our founding. Moving forward, we will continue to contribute to environmental conservation by supplying accumulators for energy-saving equipment, while consistently providing products and services that satisfy our customers and continuing to evolve. For more details, please download the catalog.

• Hydraulic Equipment

The "reciprocating compressor for nitrogen gas booster" is a product that has passed the high-pressure gas equipment test by the High-Pressure Gas Safety Association in accordance with the High-Pressure Gas Safety Act. The "piston-type accumulator" used for the nitrogen gas booster is a "reciprocating compressor for nitrogen gas" under the High-Pressure Gas Safety Act. By incorporating the "reciprocating compressor for nitrogen gas" into a hydraulic unit and connecting a nitrogen cylinder to the gas side of the compressor, high-pressure gas can be generated. For more details, please download the catalog or contact us.

• Hydraulic Equipment