宇野澤組鐵工所 List of Products and Services

The "TRM Series" is a general-purpose dry vacuum pump with a roots design, backed by years of experience and numerous achievements. It can operate efficiently and stably at a consistent temperature thanks to an intermediate cooler. Additionally, it is capable of recovering condensates such as solvents, making it ideal for suctioning condensable gases in applications like vacuum drying, distillation, and degassing. The dry vacuum pump can cover a wide range of pumping speeds from approximately 2m³/min to 35m³/min and can be customized to special specifications using corrosion-resistant materials such as stainless steel. 【Features】 ○ Wide operating range ○ Completely dry ○ No water contamination ○ Long-term continuous operation For more details, please contact us or download the catalog.

• Other pumps

☆Three Advantages of Manufacturer Maintenance☆ - Based on the equipment design (such as internal gaps and standard values for each component), we will provide a detailed report on the current condition of your equipment. - After maintenance is completed, we will submit a maintenance result report. - We will provide an inspection certificate. (Note) Depending on the usage conditions and state of the equipment, as well as special equipment, it may be difficult to return it within 10 days.

• Vacuum Equipment

Our products do not end with delivery. Many of our products have been in use for over 50 years. We believe that using our products for a long time contributes to both our customers' businesses and the sustainability of society. In addition to regular maintenance, please feel free to consult us about repairing or renewing old machinery.

• Vacuum Equipment

The ARJ type is a rotary blower (Roots blower) that incorporates a three-lobe rotor and combines the technology of Unosawa Group Co., Ltd. to achieve high performance, low noise, and low vibration. This series is highly standardized and can be widely used from low pressure to high pressure and from low flow rates to high flow rates. It also accommodates special gases, low-temperature fluids, and high-temperature fluids. 【Features】 ○ High reliability ○ Support for special specifications ○ Selection of optimal shaft sealing structure ○ Support for special materials and surface treatments ○ Support for high-pressure specifications For more details, please contact us or download the catalog.

• Positive Displacement Pump

The "TRV Series" is a versatile dry vacuum pump (Roots vacuum pump) uniquely developed as a vacuum pump that is strong against condensable gases. The gas flow path is arranged to allow for a Down-Flow from the upper to the lower part, enabling mist and liquids condensed inside the pump, which are drawn in with the gas, to flow down to the discharge port and be easily expelled and collected under atmospheric pressure. This makes it an extremely robust pump against the inflow of mist and condensate from gases. In addition to the standard FC material, corrosion-resistant materials are also available for selection. 【Features】 ○ Strong against liquids ○ Energy-saving and high-performance design ○ Low temperature rise ○ Capable of drawing high-temperature gases ○ Small installation footprint For more details, please contact us or download the catalog.

• Other pumps

The ARJ type is a rotary blower (Roots blower) that incorporates a three-lobe rotor and combines the technology of Unosawa-Gumi Iron Works, Ltd. to achieve high performance, low noise, and low vibration. This series is highly standardized and can be widely used from low pressure to high pressure and from low flow rates to high flow rates. It also accommodates special gases, low-temperature fluids, and high-temperature fluids. 【Features】 ○ High reliability ○ Support for special specifications ○ Selection of optimal shaft sealing structure ○ Support for special materials and surface treatments ○ Support for high-pressure specifications For more details, please contact us or download the catalog.

• Vacuum pump

The "KTS type" is a lightweight and compact air-cooled dry vacuum pump. Due to its durable roots design, it has a long maintenance cycle and can also exhaust water vapor. It is ideal for non-corrosive gas applications that require clean vacuum and high reliability without oil back-diffusion. 【Features】 ○ Clean vacuum ○ Air-cooled ○ Lightweight and compact ○ Resistant to water vapor and mist ○ Low noise and low vibration For more details, please contact us or download the catalog.

• Vacuum pump

The "KTS type" is a lightweight and compact air-cooled dry vacuum pump. Its durable Roots design allows for long maintenance cycles and enables the exhaust of water vapor. It is ideal for non-corrosive gas applications that require clean vacuum and high reliability without oil back-diffusion. 【Features】 ○ Clean vacuum ○ Air-cooled ○ Lightweight and compact ○ Strong against water vapor and mist ○ Low noise and low vibration For more details, please contact us or download the catalog.

• Vacuum pump

We are currently offering free materials on the ARJ type rotary blower, which won the 2016 Japan Society of Mechanical Engineers Award for Excellent Products. The materials clearly explain the structure and operating principles of rotary blowers, as well as the product features of the ARJ type blower. 【Contents】 - Explanation of the basic structure of rotary blowers (Roots blowers) - Description of the abundant shaft sealing structures for special gases - Explanation of the cooling method utilizing the structure of rotary blowers

• Vacuum pump

The "TRV Series" is a versatile dry vacuum pump uniquely developed to be resistant to condensable gases. The gas flow path is arranged in a Down-Flow configuration, allowing mist and liquids condensed inside the pump, which are drawn in with the gas, to flow down to the discharge port and be easily discharged and collected under atmospheric pressure. This makes it an extremely robust pump against the inflow of mist and condensate from gases. In addition to the standard FC material, corrosion-resistant materials are also available. 【Features】 ○ Strong against liquids ○ Energy-saving and high-performance design ○ Low temperature rise ○ Capable of drawing high-temperature gases ○ Small installation footprint For more details, please contact us or download the catalog.

• Other pumps

The "TRM Series" is a versatile roots-type dry vacuum pump with many years of experience and numerous achievements. It can operate efficiently and stably at a consistent temperature thanks to what we call "back-flow cooling system". Additionally, as this pump is capable of collecting condensates that generate during the vacuum process, it is suitable for handling condensable gases in applications like vacuum drying, distillation, and degassing. This pump can cover a wide range of pumping speeds from approximately 2 m³/min to 35 m³/min and can be designed to accommodate special requirements requiring corrosion-resistant materials such as electroless nickel plating, and stainless steel. 【Features】 ○ Wide operating range ○ Completely dry ○ No water contamination ○ Long-term continuous operation For more details, please contact us or download the catalog.

• Other pumps

The "TRM Series" is a general-purpose dry vacuum pump with a roots-type design, backed by years of experience and numerous achievements. It can operate efficiently and stably at a consistent temperature thanks to an intermediate cooler. Additionally, it is capable of recovering condensates such as solvents, making it ideal for suctioning condensable gases in applications like vacuum drying, distillation, and degassing. The dry vacuum pump can cover a wide range of pumping speeds from approximately 2m³/min to 35m³/min and can be customized to special specifications using corrosion-resistant materials such as stainless steel. 【Features】 - Wide operating range - Completely dry - No water contamination - Long-term continuous operation For more details, please contact us or download the catalog.

• Vacuum pump

The "TRM Series" is a general-purpose dry vacuum pump with a roots design, backed by years of experience and numerous achievements. It can operate efficiently at a stable temperature thanks to an intermediate cooler. Additionally, it is capable of recovering condensed liquids such as solvents and is ideal for suctioning condensable gases in processes like vacuum drying, distillation, and degassing. This versatile dry vacuum pump covers a wide range of pumping speeds from approximately 2m³/min to 35m³/min and can be customized to special specifications using corrosion-resistant materials such as stainless steel. 【Features】 ○ Wide operating range ○ Completely dry ○ No water contamination ○ Long-term continuous operation For more details, please contact us or download the catalog.

• Vacuum pump

The "TRV Series" is a versatile dry vacuum pump uniquely developed to be resistant to condensable gases. The gas flow path is arranged in a Down-Flow configuration, allowing mist and liquids condensed inside the pump, which are drawn in with the gas, to flow down to the discharge port and be easily expelled or collected under atmospheric pressure. This makes it an extremely robust pump against mist inflow and condensate from gases. In addition to the standard FC material, corrosion-resistant materials are also available. 【Features】 ○ Strong against liquids ○ Energy-saving and high-performance design ○ Low temperature rise ○ Capable of drawing high-temperature gases ○ Small installation footprint For more details, please contact us or download the catalog.

• Other pumps

The "TRV Series" is a versatile dry vacuum pump uniquely developed as a vacuum pump that is strong against condensable gases. The gas flow path is arranged in a Down-Flow configuration, allowing mist and liquids condensed inside the pump, which are drawn in with the gas, to flow down to the discharge port and be easily discharged and collected under atmospheric pressure. This makes it an extremely robust pump against mist inflow and condensate from gases. In addition to the standard FC material, corrosion-resistant materials are also available for selection. 【Features】 ○ Strong against liquids ○ Energy-saving, high-performance design ○ Low temperature rise ○ Capable of suctioning high-temperature gases ○ Small installation footprint For more details, please contact us or download the catalog.

• Other pumps

The "TRV Series" is a versatile dry vacuum pump uniquely developed to be resistant to condensable gases. The gas flow path is arranged in a Down-Flow manner, allowing mist and liquids condensed inside the pump, which are drawn in with the gas, to flow down to the discharge port and be easily expelled and collected under atmospheric pressure. This makes it an extremely robust pump against mist inflow and gas condensate. In addition to the standard FC material, corrosion-resistant materials are also available for selection. 【Features】 ○ Strong against liquids ○ Energy-saving and high-performance design ○ Low temperature rise ○ Capable of drawing high-temperature gases ○ Small installation footprint For more details, please contact us or download the catalog.

• Other pumps

The "TRV Series" is a versatile dry vacuum pump uniquely developed as a vacuum pump that is strong against condensable gases. The gas flow path is arranged in a Down-Flow configuration, allowing mist and liquids condensed inside the pump, which are drawn in with the gas, to flow down to the discharge port and be easily discharged and collected under atmospheric pressure. Therefore, it is an extremely robust pump against the inflow of mist and condensate from gases. In addition to the standard FC material, corrosion-resistant materials are also available for selection. 【Features】 ○ Strong against liquids ○ Energy-saving and high-performance design ○ Low temperature rise ○ Capable of suctioning high-temperature gases ○ Small installation footprint For more details, please contact us or download the catalog.

• Other pumps

The ARJ type is a product that incorporates a three-blade rotor and brings together the technology of Unosawa Iron Works Co., Ltd. with the aim of achieving high performance, low noise, and low vibration. This series is highly standardized and can be widely used from low pressure to high pressure, and from low airflow to high airflow. It is also compatible with special gases, low-temperature fluids, and high-temperature fluids. Example applications: High-pressure blower / N2 startup blower, etc. 【Features】 〇 By adopting a reverse flow cooling method, it can accommodate high-pressure specifications of up to MAX 215 kPaG. 〇 It can also function as a booster blower in high-pressure equipment (e.g., N2 startup blower). 〇 Supports a variety of shaft sealing structures, including oil seals, mechanical seals, and non-contact gas seals. 〇 Main components can be made from a variety of materials such as FC, FCD, and SCS, tailored to the gas. 〇 A side cover chamber is designed to prevent the mixing of condensate with oil, ensuring safety. For more details, please contact us or download the catalog.

• Other pumps

The ARJ type is a product that incorporates a three-blade rotor and brings together the technology of Unosawa Kumikai Iron Works Co., Ltd. with the aim of achieving high performance, low noise, and low vibration. This series is highly standardized and can be widely used from low pressure to high pressure and from low air volume to high air volume. It is also compatible with special gases, low-temperature fluids, and high-temperature fluids. Example applications: - Gas recovery/smoke removal equipment booster blower - Gas purification equipment booster blower, etc. 【Features】 - High reliability - Support for special specifications - Selection of optimal shaft sealing structure (oil seals, mechanical seals, dry gas seals, etc.) - Support for special materials and surface treatments - Support for high-pressure specifications - Rich material options such as FC, FCD, SCS materials to match the gas - Safety design that prevents the mixing of condensate into the oil chamber by providing a side cover chamber For more details, please contact us or download the catalog.

• Positive Displacement Pump

The ARJ type is a product that incorporates a three-blade rotor and brings together the technology of Unosawa Group Iron Works Co., Ltd. with the aim of achieving high performance, low noise, and low vibration. This series is highly standardized and can be widely used from low pressure to high pressure, and from low flow rates to high flow rates. It also accommodates special gases, low-temperature fluids, and high-temperature fluids. 【Features】 ○ High reliability ○ Support for special specifications ○ Selection of optimal shaft sealing structures (oil seals, mechanical seals, dry gas seals, etc.) ○ Support for special materials and surface treatments ○ Support for high-pressure specifications ○ Availability of a wide range of materials such as FC, FCD, and SCS to match the gas ○ Safety design that prevents the mixing of condensate into the oil chamber by providing a side cover chamber For more details, please contact us or download the catalog.

• Positive Displacement Pump

The lineup of the vertical dry vacuum pump "TRV Series," suitable for chemical processes, has been enhanced with a thick film fluororesin coating. It can handle hard processes that involve highly corrosive acidic and alkaline gases that cannot be managed with stainless steel. Its unique vertical structure is designed so that the gas flow path runs from the top to the bottom, allowing mist and liquids condensed inside the pump, which are drawn in with the gas, to flow down to the discharge port and be easily expelled and recovered under atmospheric pressure. Additionally, its small footprint makes it suitable for integration into equipment. 【Features】 ■ Compatible with 200μm thick film fluororesin coating ■ Stable operation possible from atmospheric pressure to cutoff operation ■ Capable of drawing high-temperature gases up to 120°C ■ Wide vacuum range supported by combination with mechanical boosters ■ Electric motor can be explosion-proof *For more details, please download the PDF or feel free to contact us.

• Vacuum pump

The "TRM Series" is a general-purpose dry vacuum pump (Roots vacuum pump) with many years of experience and numerous achievements. It can operate efficiently and stably at a consistent temperature thanks to the intermediate cooler. Additionally, it is capable of recovering condensates such as solvents and is suitable for suctioning condensable gases in vacuum drying, distillation, and degassing processes. The dry vacuum pump can cover a wide exhaust speed range from approximately 2m³/min to 35m³/min, and it can also accommodate special specifications made of corrosion-resistant materials such as stainless steel. 【Features】 ○ Wide operating range ○ Completely dry ○ No water contamination ○ Long-term continuous operation For more details, please contact us or download the catalog.

• Vacuum pump

The "TRV Series" is a versatile dry vacuum pump (Roots vacuum pump) uniquely developed as a vacuum pump that is strong against condensable gases. The gas flow path is arranged to flow from the top to the bottom in a Down-Flow manner, allowing mist and liquids condensed inside the pump, which are drawn in with the gas, to easily flow down to the discharge port and be expelled or collected under atmospheric pressure. Therefore, it is an extremely robust pump against the inflow of mist and condensate from gases. In addition to the standard FC material, corrosion-resistant materials are also available for selection. 【Features】 ○ Strong against liquids ○ Energy-saving and high-performance design ○ Low temperature rise ○ Capable of drawing high-temperature gases ○ Small installation footprint For more details, please contact us or download the catalog.

• Other pumps

The "SRH type water-sealed vacuum pump" developed by Unosawa is a high-performance water-sealed vacuum pump created with unique technology. It features the simplest operating method with one compression per rotation, making it suitable for applications such as dehydration, evaporation, distillation, and drying in the food and chemical industries, as a vacuum source for dehydrating filters, vacuum casting, vacuum deodorization, as well as for priming large spiral pumps and for dehydration in the paper industry. 【Features】 ○ Simple structure ○ High reliability ○ High efficiency ○ Compatibility with special materials ○ Excellent shaft sealing For more details, please contact us or download the catalog.

• Vacuum pump

The "KTS type" is a lightweight and compact air-cooled dry vacuum pump. Due to its durable Roots design, it has a long maintenance cycle and can also exhaust water vapor. It is ideal for non-corrosive gas applications that require clean vacuum and high reliability without oil back-diffusion. 【Features】 ○ Clean vacuum ○ Air-cooled ○ Lightweight and compact ○ Strong against water vapor and mist ○ Low noise and low vibration For more details, please contact us or download the catalog.

• Vacuum pump

The ARJ type is a rotary blower (Roots blower) that incorporates a three-lobe rotor and combines the technology of Unosawa Group Co., Ltd. to achieve high performance, low noise, and low vibration. This series is highly standardized and can be used widely from low pressure to high pressure and from low flow rates to high flow rates. It also accommodates special gases, low-temperature fluids, and high-temperature fluids. 【Features】 ○ High reliability ○ Support for special specifications ○ Selection of optimal shaft sealing structure ○ Support for special materials and surface treatments ○ High pressure resistance specifications available For more details, please contact us or download the catalog.

• Positive Displacement Pump