NIPPON PISTON RING CO., LTD. List of Products and Services

The "Unic Ocean Crane UB-V Series" inherits the DNA of the land king Unic and is a ship crane that has evolved for the sea. It features a robust and lightweight hexagonal boom that significantly reduces lateral sway and play, enabling reliable and stable crane operations even on a rocking ship. Its high durability, achieved through various anti-corrosion measures, meets the trust of professionals, and its powerful lifting capacity supports safe and reliable operations at sea. 【Features】 ■ Robust and lightweight hexagonal boom that reduces lateral sway and play ■ Excellent safety equipment that allows for focused work ■ Fastest class hook lifting speed ■ Big power crane lifting capacity ■ New R-shaped form that balances toughness and elegance ■ Two selectable base shapes ■ Top-class elevation angle for a generous working range *For more details, please refer to the PDF document or feel free to contact us.

The "Super Chiller" is a seawater cooling device driven by auxiliary power that allows for the simultaneous cooling and switching of multiple fish holds with ease. With a generous cooling capacity that does not require ice, it cools the entire surface of the fish efficiently and utilizes the fish hold fully without damaging the fish, thanks to a seawater circulation system that has no cooling pipes inside the fish hold. The seawater temperature can be controlled automatically to the desired temperature, down to 0°C, according to the fish species and fishing method. In the event of a malfunction, it automatically stops and the alarm light turns on, ensuring a safe design. 【Features】 ■ No ice required, with a generous cooling capacity that efficiently cools the entire surface of the fish ■ Seawater temperature can be automatically controlled to the desired temperature, down to 0°C, according to fish species and fishing method ■ Utilizes a seawater circulation system without cooling pipes inside the fish hold, preventing damage to the fish and fully utilizing the fish hold ■ Safe design with automatic stop and alarm light activation in case of trouble ■ Equipped with a pressure gauge to check the operating status *For more details, please refer to the PDF document or feel free to contact us.

The "Donut RD Coupling" is a new type of flexible coupling that integrates a flexible joint and an air clutch. Being a single component, it is easy to attach and detach, and compared to other flexible couplings, it has a smaller moment of inertia, allowing for the use of larger couplings and enabling significant horsepower extraction. This groundbreaking product changes the conventional wisdom of drive mechanics and offers many advantages in terms of space efficiency, functionality, and cost. 【Features】 ■ Reduces engine room space ■ Achieves cost reduction ■ Easy to attach and detach ■ Advantageous against torsional vibrations ■ No thrust is generated *For more details, please refer to the PDF document or feel free to contact us.

This catalog introduces the steering device system "Vertex Navigation Series." It features the autopilot system "SA-10α Series," which achieves ultra-high functionality while being a popular model, along with a wide range of products including "steering wheels," "tank units," "single split chillers," and "dual split chillers." Please make use of this for selecting products. [Contents] ■ Autopilot System "SA-10α Series" ■ Hydraulic Steering Device - Steering Section ■ Cylinder Unit Passive Section ■ Electric Hydraulic Steering Device ■ Control Related Equipment *For more details, please refer to the PDF document or feel free to contact us.

The "Power Chiller" is a circulation-type seawater cooling device powered by a three-phase AC power source. Due to its circulation design, there are no cooling pipes inside the fish hold, preventing damage to the fish and allowing for uniform cooling throughout the entire hold. The refrigeration unit and heat exchanger are designed with ample capacity, demonstrating excellent cooling performance, and can maintain the desired water temperature from room temperature down to 2°C with a low-temperature design. 【Features】 ■ High-performance cooling unit ■ Equipped with various safety devices ■ Exceptional durability ■ Digital remote controller ■ User-friendly design *For more details, please refer to the PDF materials or feel free to contact us.

The "Fish Chiller" is an engine-driven seawater cooling device for fishing boats. It circulates seawater from the fish hold using a pump, cools it with a cooling unit, and returns it to the fish hold. This circulation method means there are no cooling pipes inside the fish hold, allowing for uniform cooling throughout without damaging or obstructing the fish. Additionally, by incorporating a switching valve, multiple fish holds can be cooled simultaneously or switched for cooling. The heat exchanger uses a special titanium double tube with grooves that boasts semi-permanent corrosion resistance, ensuring exceptional durability. 【Features】 ■ Outstanding durability ■ Digital remote controller ■ High-performance cooling unit ■ Equipped with various safety devices ■ User-friendly design *For more details, please refer to the PDF document or feel free to contact us.

"Fish Mate" is a seawater cooling device driven by a main engine, designed to circulate seawater throughout every corner of the fish hold, allowing for uniform cooling of the fish body. With a generous cooling capacity that does not require ice, it cools the entire surface of the fish body efficiently, and the seawater temperature can be automatically controlled to the desired temperature, down to 0°C, depending on the fish species and fishing method. Its space-saving design allows for installation anywhere, and setup is very simple. 【Features】 - No ice required; generous cooling capacity efficiently cools the entire surface of the fish body. - Seawater temperature can be automatically controlled to the desired temperature, down to 0°C, based on fish species and fishing method. - The seawater circulation method does not have cooling pipes inside the fish hold, preventing damage to the fish body and fully utilizing the fish hold. - Designed with safety in mind, it automatically stops in the event of a malfunction and activates an alarm light. - Includes a pressure gauge for monitoring operational status. *For more details, please refer to the PDF document or feel free to contact us.

The "Marine Crane" is a hydraulic crane specifically designed for ships, creating an optimal body balance from the material performance of a single bolt to electrical and hydraulic systems. Equipped with a newly developed low-power remote control, it features a robust design for safety and security. It significantly enhances waterproofing, rust resistance, and durability, ensuring ease of use that is safe and secure, and achieves groundbreaking efficiency in crane operations on harsh marine environments. 【Features】 ■ Strong, agile, and considerate basic quality with high performance ■ Rust prevention effect and increased capability ■ Maintenance-free ■ Easy to use with selectable frames and customizable design ■ Entirely composed of big power and speed *For more details, please refer to the PDF document or feel free to contact us.

This catalog features a wide range of products including the "Monoflex Pump" and "Gorman-Rupp Pump" manufactured by Nikko Sō Eiko Co., Ltd. It includes a rich lineup starting with the "FA/FB Series" models equipped with electromagnetic clutches, the standard "FD Series" models with DC motors, and the portable "FH Series" models designed for AC100V. Please make use of this for selecting products. [Contents (excerpt)] ■ FA/FB Series ■ FD Series ■ FAH Series ■ FH Series ■ Nori (seaweed) dedicated series *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce the "Young Roller Winch" manufactured by IWASAKI, which we handle. We offer the "SY-EW Winch (12V/24V)" and "MI-HW Winch (12V/24V)" in our lineup, and the "MI type" comes with a variety of gear types including low speed, standard, and high speed. Additionally, we also have the "MI-B type winch" available, so please feel free to contact us when you need it. 【Product Lineup】 ■ SY-EW Winch (12V/24V) ■ MI-HW Winch (12V/24V) - Low speed gear, standard gear, high speed gear * Magnet switch set or push button switch * For more details, please refer to the PDF document or feel free to contact us.

This catalog introduces a variety of marine-related products manufactured by KOSHIN Co., Ltd. Featuring titanium boron alloy, the body of the "RN series" has a corrosion resistance lifespan that is twice as long, along with a rich lineup including the compact, space-saving built-in "REP・RSB series" and "high-performance resin engine pumps." Please make use of this for selecting products. 【Featured Products (excerpt)】 ■ Mini Curl RN Series (Titanium Boron Type) ■ Mini Curl RED・RES Series ■ Mini Curl REP・RSB Series (Built-in Type) ■ Mag Roller MR Series *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our "Electromagnetic Clutch for Fishing Boats." Our lineup includes the circular disc spring clutch "SF-650/IMF," as well as the disc spring clutch "SF-650/BMF," among others. Additionally, we offer a variety of units that make it easy to use electromagnetic clutches, with various types available to suit different applications, making them very convenient. 【Lineup (Excerpt)】 ■ Circular disc spring clutch "SF-650/IMF" ■ Circular disc spring clutch "SF-825, 1000, 1225/IMF, 1525, 1525HT, 1525HHT, 1525HHT/IMF" ■ Disc spring clutch "SF-650/BMF" ■ Disc spring clutch "SF-825, 1000, 1225, 1525, 1525HT, 1525HHT/BMF" *For more details, please refer to the PDF document or feel free to contact us.

This catalog is a comprehensive guide featuring a wide range of high-pressure pumps manufactured by Chuo Kogyo Co., Ltd. It includes various models such as the "Standard Type," suitable for pest control, high-altitude watering, and cleaning operations, as well as the "No-Grist Type" and "Injection Motor Pump." Additionally, we introduce cleaning machines in both engine and motor types, along with various optional parts. Please make use of this catalog for selecting products. [Contents] ■ High-Pressure Pumps ■ Set Motor Pumps ■ Cleaning Machines ■ Various Optional Parts ■ High-Pressure Pump Dimension Table *For more details, please refer to the PDF document or feel free to contact us.

The MRN series is a marine battery that features an explosion-proof liquid valve with a built-in explosion-proof filter that prevents external sparks from entering the battery. Being a hybrid type, it has low self-discharge and minimal liquid loss, reducing maintenance frequency. Additionally, it is designed to withstand the harsh environments that can be encountered on ships. By using both envelope separators and glass mats, it suppresses internal short circuits and the shedding of active materials, thereby improving reliability. 【Features】 - Reduces maintenance and enhances durability - Adopts explosion-proof liquid valve (protruding type) - Utilizes envelope separators - Includes D-type terminals (except for 95D31) - Start date can be labeled *For more details, please refer to the PDF document or feel free to contact us.

At Japan Ring Service, we are currently offering the "Comprehensive Catalog" of the imported battery brand "G&Yu Battery," which caters to a wide range of needs from automobiles to industrial applications. In addition to standard vehicles, we have versatile products that can also be used for hybrid vehicle auxiliary systems, as well as specialized products for specific applications such as taxis, long-distance buses, ships, imported tractors, and heavy machinery. We maintain a stock of over 100,000 units in a temperature-controlled warehouse equipped with air conditioning, and we can deliver as quickly as the next day from our four logistics centers nationwide. 【Featured Products (Partial)】 ◎ Ultra-high-performance battery "NEXT+" ◎ Semi-shield type compatible with charging control vehicles "NEXT" ◎ For marine leisure "G'cle" ◎ For long-distance buses, trucks, and ships "PRO HEAVY-D" *For more details, please refer to the materials. Feel free to contact us with any inquiries.

Depending on the situation of the leak, we can extend and reinforce the pipe. ◎ If you need to completely stop the flow of water for repairs... Maho Tie ◎ If repairs are to be made while the water is still gushing out... Maho Tie + Olistape Set

The "G'cle Series" is a multi-battery that demonstrates versatile performance in various scenarios, such as providing auxiliary power for RVs, powering electric motors for bus fishing, and storing energy from wind power and solar panels. Designed with a focus on lifespan characteristics, it features thick plates and uses hard paste to ensure durability for long-term use. While exhibiting standard performance, it achieves over 150% of the cycle count characteristics compared to conventional products. 【Features】 ■ Usable for both cycle applications and engine starting applications ■ High performance in durability, starting ability, discharge characteristics, and charge acceptance ■ Suitable for a wide range of applications including camping, marine, solar, wind, and engine starting *For more details, please refer to the PDF document or feel free to contact us.

The "PRO HEAVY-D Series" is a battery that improves lifespan characteristics by 30% through the use of a punching-type plate. It is available in "Cap Type" and "Semi-Shield Type." The "Cap Type" is recommended for heavy users and vehicles with long distances. It is designed to withstand engine shutdowns at signals and can endure damage caused by deep discharges when operating wings or gates after the engine has stopped, such as in delivery vehicles. The "Semi-Shield Type" is recommended for vehicles with short distances or those where maintenance (refilling) is difficult. 【Features】 ■ Minimizes internal resistance by framing the sides ■ Uniform electric flow due to specially designed grid structure ■ Prevents crystallization and corrosion occurring on the plates ■ Prevents corrosion on the surface of the plates ■ Improved starting performance due to enhanced electrical conductivity *For more details, please refer to the PDF document or feel free to contact us.