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Pumps Overview

Product catalog summary

Overview: The document provides a detailed overview of Nitto Kohki's linear-motor-driven free piston pumps, including air compressors, vacuum pumps, and liquid pumps. These products are designed for various industrial applications, combining pump and motor functions in a single unit.

Operating Principle: The pumps use an electro-magnet and return spring to drive the piston within a cylinder, synchronized with the input current cycle for efficient air compression or vacuum creation.

Key Features:

Overpressure Control: Automatically adjusts piston stroke to prevent motor failure.
Self-cooling Design: Intake air cools the coils, reducing internal temperature and noise.
Compact Design: Integrates motor and compressor functions into a single, lightweight unit.

Environmental Commitment: Nitto Kohki adheres to ISO14001 standards, aiming to reduce restricted substances in compliance with RoHS directives.

Technical Specifications: Detailed specifications for various models are provided, including rated pressure, maximum pressure, attainable vacuum, and free air displacement, along with guidelines for model selection based on application needs.

Application and Usage: The pumps are suitable for equipment requiring air or vacuum sources, emphasizing the importance of understanding technical terms and operating conditions for optimal performance and longevity.

Performance Characteristics: Includes curves and data on power consumption, airflow, and vacuum characteristics, offering insights into the operational efficiency of different models.

Conclusion: Nitto Kohki's pumps are designed with advanced features to meet modern industry demands, providing reliable and efficient solutions for air and vacuum applications.

Key Design Features of the Linear-Motor-Driven Free Piston System:

Low Power Consumption: Energy-efficient design with minimal frictional losses, resulting in lower starting and running currents.
Minimal Pulsating Effect: Synchronized piston stroke with input power frequency for smoother motion.
Easy Maintenance: Oil-less construction requires no lubrication, with only air filter and piston needing replacement.
Overload Protection Structure: Prevents burnout by reducing piston stroke and electric current during pressure increases.
Clean Operation: Oil-less design ensures outlet air is free of oil.
Low Vibration and Noise Level: Lightweight piston minimizes vibrations and noise.
Compact and Lightweight: Efficient space utilization with combined motor and compressor structure.
Instant Response: Low starting current allows easy start in frequent on-off applications.
Longer Lifetime: Design features enhance performance and reliability.

Specifications:

Detailed specifications for AC Linear Piston Compressors and Vacuum Pumps, including rated pressure, airflow, voltage, weight, and dimensions.
Models categorized into low pressure, intermediate pressure, and vacuum pump series with specific performance metrics.
Key parameters such as maximum pressure, attainable vacuum, and free air displacement highlighted for each model.

Relevance and Applications:

Relevant for OEM design engineers seeking efficient, reliable, and compact pump solutions.
Applications include systems requiring clean air, low noise, and minimal maintenance.

Additional Overview: The document also covers brushless motors, diaphragm pumps, and piezoelectric pumps, providing technical specifications, material descriptions, and suitable chemical liquids for use.

Brushless Motors: Lists models such as DP0105, DPA0105, DP0125, and DP0140 with specifications for use in compressor vacuum pumps.

Diaphragm Pumps: Describes DC motor-driven diaphragm pumps with specifications including maximum pressure, flow rate, and self-priming pressure.

Piezoelectric Pumps: Details the BIMOR pump series with specifications on chemical compatibility and operational conditions.

Materials and Chemical Compatibility: Lists materials used in pump construction and their chemical compatibility, along with suitable and unsuitable chemical liquids.

Standards and Certifications: Mentions ISO 9001 and ISO 14001 certifications, indicating adherence to quality and environmental management standards.

Additional Notes: Includes notes on the impact of environmental conditions on pump performance and the effects of liquid temperature on check valve performance.

Catalog excerpts

Lk059b Linear-motor-driven Free Piston Pumps and other Pumps for various applications AIR COMPRESSOR, VACUUM PUMP & LIQUID PUMP LINEAR PRODUCTS OVERVIEW NITTO KOHKI’S ORIGINAL FREE PISTON PUMP

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Our air compressors and vacuum pumps are unique products featuring a Linear-motor-driven Free Piston System. Nitto Kohki has made available a complete series of air compressors and vacuum pumps that incorporate this revolutionary mechanism. These are quite appropriate as air sources or vacuum units for various pneumatically operated equipment and apparatus in advanced industries. Linear-motor-driven Free Piston Mechanism The Electro-magnet and return spring alternatively drive the piston inside the cylinder, the mechanical resonance of which is synchronized with the input current cycle. In a...

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Explanation of Technical Terms Series Selection The Key Design Features of the Linear-motor-driven Free Piston System AC Linear Free Piston Compressor Linear Free Piston Diaphragm DC Motor Liquid Pump This unique system enables the mechanical resonance of a single part. An incredibly compact, lightweight design is achieved by combining what are entirely independent functions in conventional pumps – the motor and the compressor – into a superior single, unified structure. DC Linear Free Piston Compressor DC Linear Free Piston Vacuum Pump Compact Integrated Design AC Linear Diaphragm Pump Dual...

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Explanation of Technical Terms Be sure to read the following “Explanation of Technical Terms” before selecting a model appropriate for your application. Application Examples and Applicable Fluids for Compressors and Vacuum Pumps Application: for incorporation into equipment For Compressors & Vacuum Pumps Rated performance: The average total accumulated time over which the unit can be used without repair, except the maintenance of the filter. This indicates the expected time required for the rated air flow to fall to 80 % of the specification value in the rated operation. The actual life might...

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For Compressors Rated pressure: This is the pressure point where you will get optimum capabilities for performance and service life and where the pump is designed to have almost the same airflow regardless of a rated frequency of 50 Hz or 60 Hz. Rated airflow: The discharge airflow volume at the rated pressure. Rated operation: Operating conditions regarding the rated pressure, rated voltage, and rated frequency. Maximum pressure: The highest obtainable pressure at which the pump is designed to operate while producing zero discharge airflow (not guaranteed; for reference only). Power consumption:...

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Series Selection AC Linear Free Piston Compressor Model Rated Max. Pressure Pressure Rated Rated Pressure & Max. Pressure AC Linear Free Piston Vacuum Pump Model Attainable Vacuum Attainable Vacuum Free Air Displacement L/min Series Parallel DC Linear Free Piston Compressor Model Rated Max. Pressure Pressure kPa Rated Rated Pressure & Max. Pressure DC Linear Free Piston Vacuum Pump Model Attainable Vacuum Attainable Vacuum

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AC Linear Free Piston Compressor Rated Max. Pressure Pressure Rated Rated Pressure & Max. Pressure AC Linear Diaphragm Pump (Blower Type) AC0102 20 2.84 40 5.69 AC0201A Model AC0301A 20 0.71 Rated Rated Pressure & Max. Pressure AC Linear Diaphragm Pump (Dual Type) Attainable Vacuum Attainable Vacuum Rated Pressure Max. Pressure Rated Pressure & Max. Pressure Rated Page L/min DC Liquid Pump Model Working Pressure Range kPa Flow Rate Working Pressure Range Self-priming Pressure Flow Rate Self-priming Pressure *Test conditions: Water at 25 degrees C

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DC Linear Compressor and Vacuum Pump (Dual Type) Attainable Vacuum Attainable Vacuum DC Linear Compressor only Free Air Displacement Attainable Vacuum Attainable Vacuum DC Vacuum Pump only Attainable Vacuum Attainable Vacuum

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Experience gained in designing, engineering, manufacturing and continually perfecting our products in thousands of applications has resulted in a “functionally intelligent” package. Please review these key design features and see how every design element contributes overall to the creation of a superior compressor or vacuum pump. The Key Design Features of the Linear-motor-driven Free Piston System Compact and Lightweight With the piston as the only moving part, efficient space utilization enables our pump to be considerably smaller and lighter than other pumps. This allows the OEM design engineer...

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AC LINEAR Free Piston Compressor AC Linear Piston Compressor Rated Pressure Rated Airflow Rated Pressure Rated Airflow Rated Pressure Rated Airflow Maximum Pressure Rated Voltage Maximum Pressure Rated Voltage Weight Mounting Dimensions Maximum Pressure Rated Voltage Weight Mounting Dimensions Weight Mounting Dimensions Rated Pressure Rated Airflow Maximum Pressure Rated Voltage Mounting Dimensions

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AC LINEAR Free Piston Compressor AC Linear Piston Compressor Rated Pressure Rated Pressure Rated Airflow Maximum Pressure Rated Voltage Rated Pressure Rated Airflow Maximum Pressure Rated Voltage Intermediate Pressure Series Rated Airflow Maximum Pressure Rated Voltage Weight Mounting Dimensions Weight Mounting Dimensions Weight Mounting Dimensions Rated Pressure Rated Airflow Maximum Pressure Rated Voltage

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AC LINEAR Free Piston Vacuum Pump AC Linear Piston Vacuum Pump Specifications Model Attainable Vacuum Free Air Displacement Rated Voltage Weight Mounting Dimensions -33.3 kPa -250 mmHg -333 mbar -9.84 in.Hg -53.3 kPa -400 mmHg -533 mbar -15.7 in.Hg -46.7 kPa -350 mmHg -467 mbar -13.8 in.Hg 25 L /min 0.88 cfm -66.7 kPa -500 mmHg -667 mbar -19.7 in.Hg 18 L /min 0.64 cfm Rated Voltage Attainable Vacuum Mounting Dimensions -80 kPa -600 mmHg -800 mbar -23.6 in.Hg Mounting Dimensions Attainable Vacuum Free Air Displacement Rated Voltage -53.3 kPa -400 mmHg -533 mbar -15.7 in.Hg Attainable Vacuum Free...

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AC LINEAR Free Piston Vacuum Pump AC Linear Piston Vacuum Pump Specifications Model -60 kPa -450 mmHg -600 mbar -17.7 in.Hg Attainable Vacuum Free Air Displacement Rated Voltage Weight Mounting Dimensions -93.3 kPa -700 mmHg -933 mbar -27.6 in.Hg -80 kPa -600 mmHg -800 mbar -23.6 in.Hg Model Attainable Vacuum Free Air Displacement Rated Voltage Weight Mounting Dimensions [VP0660x2 Application Examples] Series Connection Silencer OUT Parallel Connection Silencer OUT * Air line connection is required by the user. Model Attainable Vacuum Free Air Displacement Rated Voltage Weight Mounting Dimensions...

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All Nitto Kohki Europe GmbH catalogs and technical brochures

Archived catalogs

AIR COMPRESSOR, VACUUM PUMP & LIQUID PUMP
116 Pages