丸山製作所 List of Products and Services

Maruyama is a manufacturer whose core competence is technology related to pumps. Founded in the 28th year of the Meiji era, we started as a pioneer in fire extinguisher manufacturing and have developed our business based on the technology cultivated through fire extinguishers. Over our long history of more than a century, our technology has culminated in "pumps." [Featured Products] - High-pressure plunger pumps - Pump accessories - Fully automatic parts washers - Pressure testing equipment For more details, please contact us or download the catalog.

• Other pumps
• Other cleaning machines
• Testing Equipment and Devices

A new product has been launched that pursues "ease of use" for our high-pressure washer equipped with an IE3 motor. It features an auto-stop function that stops the motor approximately 10 seconds after releasing the lever of the cleaning gun during automatic operation. In addition, the pressure can be adjusted without removing the cover using the pressure adjustment handle, and both pressure and oil levels can be checked from outside the cover. 【Features】 ■ The cart and frame are made of rust-resistant stainless steel ■ Equipped with a select switch to switch between automatic and manual operation ■ A variety of options such as nozzles, cleaners, and brass are available ↓↓↓ A YouTube channel introducing 【Maruyama Manufacturing Co. Cleaning Machine Accessories】 has been launched! ↓↓↓ *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• High pressure cleaner

● The uniflow design stabilizes the flow of liquid, resulting in less cavitation and a longer pump lifespan. ● It features a suction valve with a uniquely designed spring and a ceramic sleeve, providing excellent suction performance up to 3600 rpm. ● Its lightweight and compact design makes it suitable for various locations. ● It can be broadly categorized into two types: motor direct connection type and engine direct connection type. ● There is a wide variety of water flow options, including 22E, 22EL, 25B, 29EL, 30E, and 35E. ● A dedicated pressure relief valve is provided.

• Other pumps

This is a dedicated pressure regulating valve for plunger pumps. It is primarily a pressure regulating valve for equipment.

• Other pumps

The "3SF Super Flow Pump" is a three-piston plunger pump that exhibits stable performance with minimal pressure fluctuations. The motor is directly connected to the pump, eliminating the need for pulleys or belts. It can also be directly connected to an engine. In addition to cleaning operations in automobiles, aircraft, sewage systems, glass, manufacturing industries, and chemical industries, it is also effective in seawater desalination (RO) and disaster prevention applications. 【Features】 ■ Compact and lightweight. Achieves space-saving! ■ The unloading valve for pressure adjustment can be set to any desired pressure. ■ The wetted parts of the pump can be selected from brass or lost-wax stainless steel. ■ A combination of a spring-loaded suction valve and a ceramic plunger ensures smooth water flow. *For more details, please download the catalog or contact us.

• Other pumps
• High pressure cleaner

In the automotive testing industry, various tests are conducted to ensure product quality and safety. Particularly in performance evaluation tests under high-pressure conditions, durable and reliable pumps are essential. Inappropriate pumps can not only undermine the reliability of test results but also lead to delays and increased costs. Our high-pressure plunger pumps are designed with durability in mind, catering to various needs in automotive testing. 【Application Scenarios】 - Durability testing of engine components - Performance evaluation of fuel injection systems - Operation verification of hydraulic systems 【Benefits of Implementation】 - Improved reliability of tests - Reduced testing time - Long-term cost savings

• Other pumps

In the power generation industry, cooling systems require stable operation and high reliability. Especially during continuous operation in high-temperature environments, a disruption in the supply of cooling water poses a risk of equipment shutdown or serious accidents. High-pressure plunger pumps adopt a structure where high-pressure seals are lubricated and cooled by the working fluid to enhance durability. This enables long-term stable operation and contributes to improving the reliability of power generation equipment. 【Usage Scenarios】 - Water supply to cooling towers - Turbine cooling - Generator cooling 【Benefits of Implementation】 - Stable operation of equipment due to a consistent supply of cooling water - Reduction in maintenance costs due to high durability - Optimization of capital investment through extended lifespan

• Other pumps

In mining cleaning operations, high-pressure washing is essential to remove stubborn dirt from heavy machinery and equipment. In particular, areas where mineral dust and oil have accumulated cannot be cleaned effectively with standard methods, which may lead to decreased work efficiency and equipment deterioration. Our high-pressure plunger pumps solve these problems through high-pressure washing, contributing to the efficiency of cleaning operations in mining sites. 【Usage Scenarios】 - Cleaning of mining machinery - Cleaning of beneficiation equipment - Cleaning of plant equipment 【Benefits of Implementation】 - Efficient removal of stubborn dirt - Extension of equipment lifespan - Improvement of work efficiency

• Other pumps

In the food industry, reliable performance in the sterilization process is required to ensure product safety. Particularly in environments where there are risks of temperature fluctuations and foreign matter contamination, the stability of the sterilization effect and the durability of the pump are crucial. Improper sterilization can increase the risk of foodborne illness and compromise product quality. Our high-pressure plunger pump is designed to enhance durability, with high-pressure seals that are lubricated and cooled by the liquid being used. This provides stable performance in the sterilization process and long-term reliability. 【Application Scenarios】 - Sterilization processes in food manufacturing lines - Sterilization processes in beverage production - Cleaning processes in food processing plants 【Benefits of Implementation】 - Stabilization of sterilization effects - Improvement in product quality - Reduction in running costs

• Other pumps

In the shipbuilding industry, painting work requires uniform spray application and durability of the paint. Since the hull is exposed to harsh environments, the quality of the paint is a crucial factor that affects the lifespan of the ship. High-pressure plunger pumps contribute to improving painting quality by providing a stable supply of paint and achieving uniform application. By enhancing durability, they reduce maintenance frequency and increase work efficiency. 【Usage Scenarios】 - Hull painting - Anti-corrosion painting - Tank painting 【Benefits of Implementation】 - Improved painting quality - Savings on paint - Reduction in maintenance costs

• Other pumps

In the water treatment industry, stable pressurization performance is required to achieve efficient water treatment processes. Particularly in situations where high pressure is needed, the durability and reliability of pumps are crucial. Inadequate pressurization can lead to decreased treatment efficiency and early deterioration of equipment. Our high-pressure plunger pumps adopt a high-pressure seal structure that enhances durability and provides stable pressurization performance. 【Application Scenarios】 - Wastewater treatment - Water purification - Pressurization of industrial water 【Benefits of Implementation】 - Improved treatment efficiency due to stable pressurization - Reduced maintenance costs due to high durability - Lower running costs due to extended lifespan

• Other pumps

In the pharmaceutical industry, the extraction process requires precise flow control and high durability. Particularly when handling high-purity drugs, the reliability of the pump is directly linked to the quality of the product. Improper pump selection can increase the risk of reduced extraction efficiency and contamination. Our high-pressure plunger pumps use corrosion-resistant materials and provide stable performance. 【Application Scenarios】 - Pharmaceutical extraction - Reagent supply - Precision filtration 【Benefits of Implementation】 - Improved extraction efficiency through stable flow supply - Reduced maintenance costs due to high durability - Stabilization of product quality

• Other pumps

In the field of chemical reactions, precise supply of reactants and stability of the reaction process are required. Particularly when dealing with reactions under high pressure or highly corrosive substances, the durability and corrosion resistance of pumps become crucial. Improper pump selection can lead to decreased reaction efficiency and early deterioration of equipment. Our high-pressure plunger pumps utilize corrosion-resistant stainless steel valves, valve seats, and valve springs, and the high-pressure seals are designed to be lubricated and cooled by the fluid being used. This ensures stable operation over extended periods. [Application Scenarios] - Supply of reactants in chemical reaction processes - Reactions under high pressure - Transfer of corrosive substances [Benefits of Implementation] - Improved reaction efficiency - Extended equipment lifespan - Reduced maintenance costs

• Other pumps

In the oil and gas industry, pressure injection operations require high pressure and durability. Reliable pumps are essential for the long-term operation of equipment. High-pressure plunger pumps are designed with a structure that allows high-pressure seals to be lubricated and cooled by the fluid being used, making them suitable for use under harsh conditions. 【Application Scenarios】 - Pipeline injection - Plant equipment injection - Drilling operations 【Benefits of Implementation】 - Increased lifespan due to high durability - Realization of stable injection operations - Reduction in maintenance costs

• Other pumps

The "high-pressure plunger pump" features valves, valve seats, and valve springs made of corrosion-resistant stainless steel. To enhance durability, the high-pressure seal is designed to be lubricated and cooled by the fluid being used. The valve mechanism has a cassette structure that allows for easy replacement. 【Features】 ○ Durable high-pressure and low-pressure seals that require no adjustment ○ Ceramic plunger offers excellent corrosion and wear resistance, capable of withstanding long hours of use For more details, please contact us or download the catalog.

• Other pumps

The "pressure regulating valve" can set a stable pressure that is unmatched. It can be used with multiple pumps and multiple gun nozzles. Pressure adjustment is easy by simply turning the adjustment screw. The pressure regulating spring is built into the spring cylinder, resulting in a simple exterior structure. 【Features】 ○ Dedicated pressure regulating valve for plunger pumps ○ Can set a stable pressure that is unmatched For more details, please contact us or download the catalog.

• Other pumps

A plunger pump is a pump that has suction and discharge strokes. The amount of water suctioned is proportional to the pump's input rotation speed. The pump itself cannot control the flow rate. Pressure control is performed by a pressure regulating valve or an unloader valve. 【Features】 ○ Use flexible piping for the piping immediately adjacent to the pump ○ Keep excess water, supply water, and cleaning chambers as far away as possible from the pump's suction inlet For more details, please contact us or download the catalog.

• Other pumps

The "MKW728H-1" is a compact yet fully-fledged plunger pump high-pressure washer. Weighing only 45 kg, it is lightweight and can be stacked in two layers, taking up minimal storage space. In addition to its reliable cleaning capability with a pressure of 6.5 MPa and a water intake of 27 L/min, the turbine gun allows for switching between direct and wide-angle sprays, enabling thorough cleaning of fine irregularities on heavy machinery and every corner of the ground. 【Features】 - Equipped with a large line strainer - Can be suspended from a single point - Lightweight at 45 kg - Comes with high-pressure, water intake, and waste water hoses *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

• High pressure cleaner

For detailed specifications and drawings of each pump, please contact us separately. The performance figures are based on clear water. For applications involving hot water, various detergents, or seawater, please inquire separately. Various pumps are produced as standard stock items, but there are also made-to-order products, so please check the delivery schedule according to your needs. 【Features】 ○ Please use within the range that does not exceed the stated suction volume. ○ If operating continuously for long periods, please use at 80% or less of the stated suction volume. For more details, please contact us or download the catalog.

• Other pumps

Please contact us separately for detailed specifications and drawings of each pump. The performance figures are based on clean water. For applications using hot water, various detergents, or seawater, please inquire separately. Various pumps are produced as standard stock items, but there are also made-to-order products, so please check the delivery schedule according to your needs. 【Features】 ○ Please use within the range that does not exceed the indicated suction volume. ○ If operating continuously for long periods, please use at 80% or less of the indicated suction volume. For more details, please contact us or download the catalog.

• Other pumps

For detailed specifications and drawings of each pump, please contact us separately. The performance figures are based on clear water. For applications using hot water, various detergents, or seawater, please inquire separately. Various pumps are produced as standard stock items, but there are also made-to-order products, so please check the delivery schedule according to your needs. 【Features】 ○ Please use within the range that does not exceed the stated suction volume. ○ If operated continuously for long periods, please use at 80% or less of the stated suction volume. For more details, please contact us or download the catalog.

• Other pumps

For detailed specifications and drawings of each pump, please contact us separately. The performance figures are based on clear water. For applications using hot water, various detergents, or seawater, please inquire separately. Various pumps are produced as standard stock items, but custom-made products are also available, so please check the delivery schedule according to your needs. 【Features】 - Please use within the indicated suction volume range. - If operating continuously for long periods, please use at 80% or less of the indicated suction volume. For more details, please contact us or download the catalog.

• Other pumps

Please contact us separately for detailed specifications and drawings of each pump. The performance figures are based on clear water. For applications using hot water, various detergents, or seawater, please inquire separately. Various pumps are produced as standard stock items, but there are also made-to-order products, so please check the delivery schedule according to your needs. 【Features】 ○ Please use within the range that does not exceed the stated suction volume. ○ If operating continuously for long periods, please use at 80% or less of the stated suction volume. For more details, please contact us or download the catalog.

• Other pumps

A lineup ranging from easy branch pruning tasks to professional work!! 【Lineup】 Top handle type suitable for branch pruning, etc. ○MLC3101T(10)-1 Standard rear handle type 〇MLC3100R(12)-1 〇MLC3501R(14)-1 For more details, please contact us or download the catalog.

• Other cutting tools

The "MB Series / MBS Series" is a brush cutter equipped with an eco engine featuring a recirculator system developed with our unique technology. By returning a portion of the engine's exhaust gases back to the combustion chamber during operation and blocking the emission of unburned gases, it simultaneously achieves "improved fuel efficiency and output" and "reduction of harmful substances." ★ Currently, we are offering a catalog that includes details about the brush cutter and our entire product series! You can view it immediately from "Catalog Download." 【Features】 ■ Compliant with domestic exhaust gas third-stage regulations ■ Improved fuel efficiency, horsepower, and starting performance

• Other cutting tools

The "Maruyama Engine Blower" is equipped with an eco-engine that complies with domestic exhaust gas regulations. It is convenient for maintaining hedges in parks, roads, hotels, and condominiums. Available in affordable types as well as high-power and high-performance backpack types. 【Product Lineup】 ○BL3500-1 ○BL7000-1 ○BL9000-1 Adopts CCS (Crown Cooling System) for the 【BL7000-1/9000-1】. This improves the cooling effect within the engine and prevents engine troubles caused by heat. For more details, please contact us or download the catalog.

• others

This is an aerosol-type simple fire extinguisher that is effective for the initial extinguishing of tempura oil fires, which can be a concern in the kitchen. It makes tempura oil non-flammable and extinguishes it instantly. Additionally, by cooling the heated oil, it prevents re-ignition. 【Features】 ○ Very easy to use → Simply remove the cap, point the nozzle at the source of the fire from a distance of 2-3 meters, and press the button. ○ Applicable fires: Effective for the initial extinguishing of small ordinary fires and tempura oil fires. ○ Standard usage period: 3 years from the date of manufacture. ○ Complies with the self-labeling system standards of the Ministry of Internal Affairs and Communications Fire and Disaster Management Agency. ○ Quality evaluation compliant product by the Japan Fire Protection Association. ○ NON-Freon. For more details, please contact us or download the catalog.

• Other safety equipment

The "3SF Super Flow Pump" is a plunger pump with a three-piston design that exhibits stable performance with minimal pressure fluctuations. The motor is directly connected to the pump, eliminating the need for pulleys or belts. Direct connection to an engine is also possible. In addition to cleaning operations in automobiles, aircraft, sewage systems, glass, manufacturing industries, and chemical industries, it is also effective in seawater desalination (RO) and disaster prevention applications. 【Features】 ■ Compact and lightweight. Achieves space-saving! ■ The unloading valve for pressure adjustment can be set to any desired pressure. ■ The wetted parts of the pump can be selected from brass or lost-wax stainless steel. ■ A combination of a spring-loaded suction valve and a ceramic plunger ensures smooth water flow. *For more details, please download the catalog or contact us.

• Other pumps
• High pressure cleaner

The high-pressure washer 'MKF820GSB-4' features a soundproof design suitable for use in urban areas. When not in use for gun washing, it is equipped with an automatic engine slowdown mechanism that reduces engine RPM, resulting in fuel savings and noise reduction. Additionally, it combines both electric start and recoil start for improved starting performance. 【Features】 ■ Engine oil sensor adopted to reduce engine troubles ■ Comes with a protective bumper and a frame that doubles as a handle ■ Can be stored in a compact manner with single-point suspension and stacking (2 levels) ■ Built-in filter at the water intake to reduce foreign object intrusion into the pump ■ Easy to move with four wheels and equipped with a one-touch stopper *For more details, please download the catalog or feel free to contact us.

• High pressure cleaner

The "MKW814H" is a hot water cleaning machine equipped with a three-piston pump. Its powerful cleaning ability and hot water effectively remove grease and stubborn dirt. In addition to various safety devices such as a leakage circuit breaker and a dry-running prevention device (boiler water level sensor), it comes standard with a pressure gauge inside the casing, making it exceptionally user-friendly. It is recommended for cleaning in a wide range of fields, including automotive parts, civil engineering and construction, food factories, manufacturing plants, hospitals, and welfare facilities. 【Features】 ■ Adoption of a sealed low-pressure boiler allows for hot water supply at heights of about 6m ■ Standard pressure gauge makes daily inspections easy ■ Redesign of layout makes pump maintenance easier ■ Equipped with various safety devices such as overheating prevention devices, flame detection devices, and overload protection devices *For more details, please download the catalog or contact us.

• Other cleaning machines

The "high-pressure plunger pump" features valves, valve seats, and valve springs made of corrosion-resistant stainless steel. To enhance durability, the high-pressure seal is designed to be lubricated and cooled by the fluid being used. The valve mechanism has a cassette structure that allows for easy replacement. It can be used in various industries, including food processing plants, machine shops, plant cleaning, reverse osmosis membranes, and tank cleaning, making it versatile for a wide range of applications. 【Features】 ○ Durable high-pressure and low-pressure seals that require no adjustment ○ Ceramic plunger offers excellent corrosion and wear resistance, enduring long hours of use ○ Plunger rod is made of stainless steel ○ Crankcase is made of lightweight and durable aluminum die-cast ○ Crankshaft is made of chrome-molybdenum steel, providing excellent durability ○ Generous bearing sizes are selected to extend the pump's lifespan For more details, please contact us or download the catalog.

• Other pumps

The often overlooked "maintenance timing" in the daily use of pumps. Regular inspections are essential to avoid reducing production efficiency. We are offering a flyer summarizing situations where "maintenance is necessary when these symptoms appear." Please check it out from the catalog download. Additionally, we offer a range of "pump units" for high-pressure plunger pumps, which are actively used in a wide variety of applications such as "reverse osmosis membranes (RO)," "high-pressure mist systems," "tank cleaning," "plant cleaning," "food processing plants," and "machining factories." *For more details, please refer to the catalog. Feel free to contact us as well.

• Other pumps

The "Karuno" is a grass cutter designed for women, responding to requests such as "My shoulders hurt and I feel sick," "I want a cuter machine," and "Summer work is tough." While achieving lightweight design, it incorporates feedback from women actually working in agriculture, improving features like the bands and handles. This significantly alleviates usability issues. It also includes pockets for ice packs and pouches for smartphones. 【Features】 - Bands that securely hold both shoulders and the waist without digging into the shoulders - Adjustable blade angle for easier cutting, even for petite women - Engine designed to minimize vibrations, making it easy for women to use - Extended left handle for a more natural posture while cutting, enhancing maneuverability *For more details, please refer to the catalog. Feel free to contact us with any inquiries.*

• Other work tools

The "MKW628E-1" is a high-pressure washer that features a pressure regulating valve designed with durability in mind. It comes standard with an auto-stop function that links the motor to the ON/OFF of the cleaning gun. It is suitable for cleaning construction machinery and maintaining construction sites. The turbine gun allows for switching between direct and wide spray patterns depending on the application. 【Features】 ■ Uses a suction residual water system ■ Designed with maintenance in mind ■ Equipped with a turbine gun *For more details, please refer to the catalog or feel free to contact us.

• High pressure cleaner

The 'maintenance timing' that is often overlooked in the daily use of pumps. Regular inspections are essential to avoid reducing production efficiency. We are offering a flyer summarizing the situations where 'maintenance is needed when these symptoms appear.' Please check it out via PDF download. Additionally, Maruyama Excel has newly released 'Maruyama Genuine Oil' for high-pressure pumps! Available in 1 liter, 4 liters, 20 liters, and 200 liters! *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Other pumps

The "Ultra Fine Bubble Pump Unit" is a device that can efficiently generate a high concentration of a large number of ultra fine bubbles using only water and water pressure. The generation amount of ultra fine bubbles per 1mL is approximately 300 million with a single pass, and by increasing it through circulation operation, it is possible to generate around 5 billion bubbles. *Conditions such as pressure (measured value at 3MPa pressure and 20L/min discharge rate) 【Features】 ■Maximum discharge water volume is 20L/min ■Two types available: engine type for easy outdoor use and motor type compatible with saltwater ■Can be used even with fine foreign substances (less than 0.2mm) present ■The number of ultra fine bubbles remains almost unchanged even when using a 150m hose ■Compatible with various gas supply *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Other pumps

The Sky Mist "SMF-500" is a mist generation device that can be suspended from the ceiling and effectively disperses mist over a wide area. It efficiently spreads mist through its unique convection diffusion method. 【Features】 ■ New heatstroke countermeasure utilizing evaporative cooling ■ Ceiling-mounted for wide coverage ■ Efficient diffusion through convection method *For more details, please request documentation or view the PDF data available for download.

• Other environmental equipment
• Other air conditioning equipment

The "Universal Mist MUM602-1" is a mist generation device that allows intermittent operation with timer control. It is lightweight and easy to carry. It can be used for heat prevention, heat stroke prevention, static electricity removal, dust removal, and heat island countermeasures. We offer a wide range of options such as mist nozzles and mist tubes, allowing for flexible installation according to your facility and application. 【Features】 ■ Intermittent operation with timer control ■ Lightweight ■ Easy to carry ■ Suitable for heat prevention, static electricity removal, heat island countermeasures, etc. ■ Option kit series available The timer section has been slightly modified to feature easy-to-read white text. *For more details, please refer to the PDF document or feel free to contact us.

• Other environmental equipment
• Other air conditioning equipment

The fully automatic parts washing machine demonstrates exceptional cleaning power with its high-pressure hot water rotating nozzle, suitable for all shapes. It is also an excellent user-friendly, widely adopted perfect cleaning machine that employs an electric heater system.

• Other cleaning machines

The "3D nozzle for tank cleaning" features a simple and compact structure, with the wetted parts made of reliable SUS304, allowing anyone to perform professional cleaning. By managing factors that contribute to cleaning effectiveness, such as pressure, water volume, cleaning time, and water temperature, consistent cleaning results can be achieved by anyone. It can be used at a maximum pressure of 12MPa and a maximum flow rate of 31L/min. The nozzle operates at a constant speed driven by a motor, ensuring stable cleaning effectiveness. The minimum inner diameter of the nozzle inlet is 58mm (can be inserted with a 2.5S hose fitting). Its small size makes it easy to use with minimal spray dead zones. For more details, please download the catalog or contact us.

• High pressure cleaner
• Other cleaning machines
• nozzle

The cleaning device "Fully Automatic Parts Washer" uses a combination of a turntable and high-pressure oscillating nozzles to thoroughly remove dirt in a short time, even from the inside of tubular items. The cleaning time and temperature can be freely selected, making it easy for anyone to use. The loading and unloading of items is simple, and the cleaning solution is circulated, making detergent, water, and electricity very economical. With high-temperature water cleaning, items dry quickly once removed from the machine. Consideration for corrosion prevention is made with stainless steel, aluminum, and special plating in areas prone to rust, such as the exterior and cleaning chamber. 【Features】 ○ Outstanding cleaning power with high-pressure hot water ○ Fully automatic cleaning with the push of a button ○ Practical functionality ○ Natural drying ○ Corrosion-resistant design for long-term use For more details, please contact us or download the catalog.

• Other cleaning machines

Are you fully prepared for heatstroke prevention? The peak of summer is still ahead! Let's start taking measures against heatstroke. We utilize the heat of vaporization of water sprayed at high pressure to lower the perceived temperature in the spray area. 【Features】 - The main unit can be anchored for stability. - Water supply to the pump is directly connected to the water supply, eliminating the need for a tank. - Equipped with an industrial pump for continuous operation. - High-pressure line filter protects the nozzles. - Standard equipped with an electromagnetic valve to prevent dripping from the nozzles and allows for easy activation. - Compact and easy to handle standard model operating on 100V. 【Applications】 - Heat island countermeasures at work sites. - Dust prevention and static electricity prevention in various factories and warehouses. - Fine mist cooling in barns, pigsties, chicken coops, and vegetable houses. - Humidification in printing factories, textile factories, and various storage facilities. - Landscape engineering for mist parks and event venues. For more details, please contact us or download the PDF.

• Other environmental equipment