住友精密工業 List of Products and Services

The relief valve built-in Sumitomo high-pressure coolant pump 'CX Series' has changed the position of the suction and discharge ports from our conventional products and incorporated the relief valve as a built-in type, achieving a reduction in the number of piping connections. This contributes to significant time savings in installation work, space-saving, and cost reduction. Furthermore, by using ceramic materials in some of the bearings, durability has also been improved, and maintenance is easy as the gear housing set can be replaced. 【Key Points for Choosing This Product】 ■ Significant space-saving and reduction in installation work ■ Relief valve can be easily replaced ■ Reduces the hassle of separately purchasing the relief valve ■ Suitable for high-pressure lubrication applications such as machine tools, grinding machines, and deep hole machining *For more details about this product, please refer to the PDF document. Feel free to contact us with any inquiries.

• Other pumps

The "CX Series" is a coolant pump that has achieved a reduction in the number of piping by changing the position of the suction and discharge ports from our conventional products and incorporating a built-in relief valve. This contributes to a significant reduction in installation labor and space-saving. Additionally, by using ceramic materials in some of the bearings, durability has also improved, and maintenance is made easier as the gear housing set can be replaced. 【Features】 ■ Significant space-saving and reduction in installation labor ■ Relief valve can be easily replaced ■ Reduces the hassle of separately purchasing a relief valve ■ Suitable for high-pressure lubrication applications such as machine tools, grinding machines, and deep hole machining *For more details about this product, please refer to the PDF materials. Feel free to contact us with any inquiries.

• Other pumps

Sumitomo Precision Industries, which handles hydraulic equipment, will introduce the basics of hydraulic knowledge. Hydraulics has advantages such as being compact and powerful, as well as allowing for easy and accurate overload prevention. The materials introduce the five elements of hydraulics, the basic structure of valves, and examples of use in industrial vehicles. 【Advantages of Hydraulics】 ■ Compact and powerful ■ Easy and accurate overload prevention ■ Easy and precise force adjustment ■ Simple stepless speed change with smooth operation ■ Low vibration and smooth operation ■ Remote control capability *For more details, please refer to the PDF materials or feel free to contact us.

• Other pumps
• valve

The "QS Pump" is a pump suitable for combination with servo motors. The rated pressure is 21 MPa, and the maximum rotational speed ranges from 1,800 rpm to 3,000 rpm. It has the same volumetric efficiency as the existing QT high pressure, but with higher mechanical efficiency than the QT high pressure. The pump models are available in sizes 4 to 6, similar to the QT. 【Features】 ■ Suitable for combination with servo motors ■ Same volumetric efficiency as the existing QT high pressure ■ Higher mechanical efficiency than the QT high pressure ■ Pump models available in sizes 4 to 6, similar to the QT *For more details, please feel free to contact us.

• Other pumps
• Hydraulic Equipment

The "Energy Saving System" achieves significant energy-saving effects with minimal additional costs by configuring the necessary minimum equipment compared to conventional control methods. If our pump is installed in existing equipment, energy-saving operation is possible with just an inverter. In addition to energy savings, there is no need to prepare pressure sensors or controllers, and controlling the rotation speed enhances the durability of the pump. Additionally, there are benefits such as heat generation control and failure prediction. 【Features】 ■ Achieves significant energy-saving effects with minimal additional costs ■ No need to prepare pressure sensors or controllers ■ Enhances pump durability by controlling rotation speed ■ Heat generation control ■ Failure prediction *For more details, please refer to the PDF materials or feel free to contact us.

• Other pumps

At Sumitomo Precision Industries, we offer a wide range of solutions, including aerospace, NEMS, semiconductor manufacturing equipment, hydraulic control, and heat exchangers. We also handle special pumps for finishing cleaning. Based on our understanding of our customers' needs and challenges, we provide appropriate pump recommendations. Please feel free to let us know your concerns! (There may be restrictions on liquid types, temperatures, and workpieces, which could prevent use.) [Contents] Aerospace Heat Exchangers Hydraulic Control Environmental Systems (Ozone Generators) MET (Liquid Crystal Manufacturing Equipment) MEMS and Semiconductor Manufacturing Equipment MEMS Devices Fuel Cells *For more details, please download the catalog or feel free to contact us.

• Water Hydraulic Equipment

What is currently required is high efficiency and energy saving. The E3P pump significantly contributes to CO2 reduction through energy savings achieved by high efficiency. Our motors use 4-pole motors, allowing for space-saving designs. Furthermore, the coolant used can be either water-soluble or oil-based. *For more details, please refer to the PDF materials or feel free to contact us.*

• Other pumps

The hydraulic pilot-operated switching valve is a valve that provides stable operation even under high pressure and large flow conditions. Since it does not require electrical operation, it is easy to maintain and is suitable for applications that require remote operation or long-duration continuous switching operations. 【Standard Specifications】 ■ Maximum Operating Pressure: 20.6 MPa ■ Maximum Flow Rate: 230 L/min ■ Minimum Pilot Pressure: 0.5 MPa *Please refer to the catalog for details such as model specifications and dimensional drawings.

• Other pumps
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A low-noise coolant pump that has changed the common sense of coolant systems. The coolant system has now become a standard in production lines. The Sumitomo CQTM pump has become an essential item for coolant systems. A new structure, the "CX type," has been added to the conventional CQT pump's sizes 3 and 4. 【Features】 ◆ Reduced piping work: Cost savings Significantly improved workability compared to conventional types by changing the positions of the suction and discharge ports. The suction does not require a piping flange and uses an RC thread connection method. ◆ Reduced running costs Energy-saving operation is possible with inverter control. *For more details, please download the catalog or feel free to contact us.

• Other pumps
• Water Hydraulic Equipment

The "ASD3 Series" is an energy-efficient and compact coolant valve driven by air. The spool features a pressure balance structure to prevent axial force from hydraulic pressure, and by adopting a push rod mechanism that reduces the seal diameter of the valve body and air pilot section, it minimizes leakage. 【Features】 ■ Energy-efficient design ■ Effective in reducing CO2 emissions ■ Maximum operating pressure: 9.8 MPa ■ Two types of piping methods: threaded type and gasket type ■ 2-port usage is also possible (maximum operating pressure: 6.9 MPa) *For more details, please refer to the PDF materials or feel free to contact us.

• valve
• Other machine elements

The "Balance Piston Type Relief Valve" limits the maximum pressure of the hydraulic circuit and maintains a constant pressure in the circuit. Due to its balance piston design, the operation is stable, and changes in the set pressure are minimal. Remote control of the circuit pressure can be achieved through a vent connection. 【Features】 ■ Limits the maximum pressure of the hydraulic circuit and maintains a constant pressure in the circuit ■ Operation is stable, and changes in the set pressure are minimal ■ Remote control of the circuit pressure is possible through a vent connection *For more details, please refer to the PDF document or feel free to contact us.

• Pressure Control

The "relief valve with electromagnetic switching valve" is an integrated unit of a relief valve and an electromagnetic switching valve. It is used when operating a pump under no load using an electrical signal. 【Features】 ■ Integration of relief valve and electromagnetic switching valve ■ Used for operating a pump under no load with an electrical signal *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

The "Balance Piston Type Pressure Relief Valve" reduces the pressure of a part of the hydraulic circuit below the set pressure of the relief valve and maintains it. Even if the pressure in the primary side main circuit fluctuates, the pressure in the secondary side circuit remains constant. Additionally, the valve with a check valve allows for reverse free flow. 【Features】 ■ Reduces the pressure of a part of the hydraulic circuit below the set pressure of the relief valve and maintains it ■ Minimal pressure fluctuations due to the balance piston type ■ Maintains constant pressure in the secondary side circuit even if the pressure in the primary side main circuit fluctuates ■ Remote control is possible through the vent circuit ■ The valve with a check valve allows for reverse free flow *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

The "sequence valve" controls circuit pressure through self-pressure or remote-operated pilot pressure. It can be used as a sequence valve, counterbalance valve, or unload valve. 【Features】 ■ Controls circuit pressure through self-pressure or remote-operated pilot pressure ■ Usable as a sequence valve, counterbalance valve, or unload valve *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

This document presents the common specifications for the "CX, CQTM, and E3P" manufactured and sold by Sumitomo Precision Products. It includes information such as motor current values, a micron-mesh conversion table, and the required flow rates for nozzle diameters and nozzle pressures. [Contents] ■ Motor current values ■ Micron-mesh conversion table ■ Required flow rates for nozzle diameters and nozzle pressures ■ Operating instructions *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Other pumps

We offer a wide range of pressure ranges from 2 to 15 MPa and various flow sizes, allowing for the selection of pumps that match customer needs. *The 15 MPa series can only be used with oil-based coolant liquids. 【Features】 ■ Supports a wide range of pressures and flow rates from small to large ■ Maintenance-free and highly durable ■ Space-saving design ■ Energy-saving operation possible with inverter control ■ Complies with international motor standards ■ Low noise and low pulsation *For more details, please refer to the PDF document or feel free to contact us.

• Other pumps

"Sumijet X" is a pump + tank + valve + filter system that prioritizes user needs. The coolant system equipped with CX, CQTM, and E3P pumps reduces processing time due to increased equipment pressure. It achieves improved processing accuracy and tool life. 【Features】 ■ Increased cutting speed ■ Enhanced efficiency in deep hole machining ■ Improved finishing accuracy and processing surface accuracy due to workpiece cooling ■ Extended tool life through cooling ■ Improved crushing and discharge of chips ■ Energy-saving operation possible with inverter use *For more details, please refer to the PDF materials or feel free to contact us.

• Other pumps

The "CX Series" is a pump that has been developed based on the achievements of the conventional coolant pump "CQTM," with a focus on further improving maintenance performance and durability. By changing the piping structure of the conventional model, we have significantly reduced the installation and replacement labor. Additionally, by incorporating ceramic materials into part of the bearings, durability has been enhanced. 【Features】 ■ Improved maintenance performance ■ Enhanced durability ■ Reduced running costs ■ Energy saving ■ Compliance with overseas motor standards (USA, EU, China) ■ Energy-saving operation possible with inverter control *For more details, please refer to the PDF document or feel free to contact us.

• Other pumps

We have further improved the highly praised 1/4 electromagnetic switching valve to achieve a larger flow rate and lower pressure loss. Since it uses a wet-type plug-in solenoid, the switching sound is quiet, there is no concern about oil leakage, and it has a long lifespan with easy maintenance. We offer a wide range of optional specifications. 【Features】 ■ Achieves large flow rate and low pressure loss ■ No concern about oil leakage ■ Common 2 terminals for 50/60Hz, eliminating the need for rewiring due to frequency differences ■ Electrical connection types include terminal box type and lead wire type ■ A wide range of optional specifications available *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

It has a unique structure that makes it less likely to experience hydraulic lock (spool sticking phenomenon) and ensures reliable operation. This product uses a plug-in coil, making coil replacement easy. Additionally, we offer many types according to your needs. 【Features】 ■ Unique structure ■ Less likely to experience hydraulic lock ■ Achieves reliable operation ■ Many types available according to purpose ■ Improved durability through years of research *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

This document contains the specifications of the "SDH Series" manufactured and sold by Sumitomo Precision Products. We will provide detailed information along with diagrams, including standard specifications, solenoid specifications, and external dimension drawings. 【Contents】 ■ Example of model number display ■ Solenoid specifications ■ Standard specifications ■ Performance curves ■ Model list ■ External dimension drawings ■ Structural diagrams ■ Handling precautions *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• valve

The "E3P Series" is a coolant pump that combines energy efficiency and low noise with convenience. In addition to its simple structure, the sliding surfaces of the components are forcibly lubricated with coolant fluid, resulting in minimal contact between parts and achieving a long lifespan. Furthermore, it has a built-in relief valve, eliminating the need for separate installation. 【Features】 ■ Greatly contributes to CO2 reduction through energy savings with high efficiency ■ Low noise ■ Compact dimensions allow for space-saving design ■ Exceptional durability and maintenance-free ■ Simple structure *For more details, please refer to the PDF document or feel free to contact us.

• Other pumps

This document contains specifications and lineup of the "Modular Valve" manufactured and sold by Sumitomo Precision Products. We will introduce the modular valve list, the basic dimensional drawing of the 02 modular valve mounting surface, and the product lineup. [Contents (excerpt)] ■ Modular Valve List ■ Basic Dimensional Drawing of 02 Modular Valve Mounting Surface ■ Example of 1/4 Electromagnetic Switching Valve Dimensions ■ Standard Specifications ■ Performance Curves *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• valve

This document includes the specifications and lineup of the "Modular Valve" manufactured and sold by Sumitomo Precision Products. We will introduce the modular valve list, installation methods for each valve, and product lineup. [Contents (excerpt)] ■ Modular Valve List ■ Installation Methods for Each Valve ■ Example of 3/8" Solenoid Switching Valve Dimensions ■ Standard Specifications ■ Performance Curves *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• valve

This document presents the specifications and lineup of the "Modular Valve" manufactured and sold by Sumitomo Precision Industry. We will introduce the modular valve list, the dimensional drawings of the 3/4" solenoid switching valve, and the product lineup. [Contents (excerpt)] ■ Modular Valve List ■ Installation Methods for Each Valve ■ Dimensional Drawings of the 3/4" Solenoid Switching Valve ■ Product Lineup - Throttle Check Valve - Pilot Check Valve *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• valve

At Sumitomo Precision Products, we manufacture and sell the low-noise hydraulic pump 'QT Series'. We offer a lineup that includes the "Low Pressure QT Pump," which is widely used in testing machines and industrial presses, as well as the "Ultra High Pressure QT Pump," which supplies a maximum pressure of 34.3 MPa. 【Features (Low Pressure QT Pump)】 ■ Flow rate is doubled by incorporating two sets of the same gear in a single stage ■ As an internal gear pump, it operates even more quietly with reduced pulsation ■ Widely used in testing machines and industrial presses *For more details, please refer to the PDF materials or feel free to contact us.

• Other pumps

At Sumitomo Precision Industries, we manufacture and sell the low-noise hydraulic pump "QT Series." It consists of two independent pumps that can be driven by a single common shaft, and the suction ports are also independent, featuring characteristics such as low noise performance and long lifespan similar to series pumps. [Features] - Independent suction ports - Low noise performance similar to series pumps *For more details, please refer to the PDF materials or feel free to contact us.

• Other pumps

This product is a pump that integrates an electric motor with a QT pump for easy use of low noise from the QT pump. As a result, it saves space and eliminates the need for components such as couplings, coupling protective covers, and pump spaces, as well as the cumbersome assembly work like alignment. 【Features】 ■ Integrated motor and QT pump ■ Space-saving ■ No need for components like coupling protective covers and pump spaces ■ No cumbersome assembly work like alignment required *For more details, please refer to the PDF materials or feel free to contact us.

• Other pumps

This document contains specifications and other information about the "QT Pump" manufactured and sold by Sumitomo Precision Industry. We will introduce pump efficiency, noise data, wear resistance performance, and more. 【Contents】 ■ How to read the performance table ■ Pump efficiency ■ Noise data ■ Wear resistance performance ■ Handling precautions *For more details, please refer to the PDF document or feel free to contact us.

• Other pumps

At Sumitomo Precision Industries, we offer a wide range of solutions, including aerospace, NEMS, semiconductor manufacturing equipment, hydraulic control, and heat exchangers. [Contents] Aerospace Heat Exchangers Hydraulic Control Environmental Systems (Ozone Generators) MET (Liquid Crystal Manufacturing Equipment) MEMS and Semiconductor Manufacturing Equipment MEMS Devices Fuel Cells *For more details, please download the catalog or feel free to contact us.

• Water Hydraulic Equipment