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JUN-AIR

JUN-AIR is a manufacturer of oil-free air compressors and related accessories, with a history dating back to 1958 in Denmark. The brand is known for compact, quiet compressor systems used in laboratory, medical, dental, and analytical instrument applications where clean, oil-free air is required. JUN-AIR products are distributed globally and are commonly specified by engineers and procurement teams for their reliability and low maintenance requirements. The product line includes enclosed and open compressor units, rocking piston and diaphragm technologies, and a range of spare parts and maintenance kits. 3G Electric supplies the JUN-AIR line as part of its industrial equipment portfolio, offering technical selection support and global shipping. The JUN-AIR catalog covers several distinct families: enclosed laboratory electric air compressors, oil-free electric air compressors, air compressor oils, and preventive maintenance kits. Enclosed models are available with motor sizes from 1/2 hp to 4 hp, flow rates from 1.6 cfm to 5.5 cfm, and maximum operating pressures of 116 psi or 120 psi. Many units operate on 120V or 230V single-phase power and feature powder-coat finishes. Oil-free construction eliminates the risk of oil contamination in sensitive processes, and some models include integrated desiccant air dryers to reduce moisture in the compressed air stream. The compressors are used to power analytical instruments, pneumatic controls, and other equipment that demands clean air. Accessories such as mineral-based compressor oil (SAE 5W, ISO 20) and preventive maintenance kits support scheduled servicing and extend equipment life. 3G Electric maintains inventory of JUN-AIR compressors, oils, and spare parts, and provides datasheets and technical specifications to assist with selection. The company serves a global customer base, shipping to industrial, laboratory, and research facilities worldwide. For technical buyers, JUN-AIR products offer a combination of oil-free operation, compact footprints, and serviceable designs. The availability of maintenance kits and oils through 3G Electric simplifies procurement and helps maintain uptime. Whether the requirement is for a small 1/2 hp unit for a single instrument or a larger 4 hp system for multiple points of use, the JUN-AIR range includes options to match. 3G Electric's role is to supply these products with accurate documentation and responsive support, ensuring that customers can integrate JUN-AIR compressors into their systems with confidence.

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About JUN-AIR

JUN-AIR is a manufacturer of oil-free air compressors and related accessories, with a history dating back to 1958 in Denmark. The brand is known for compact, quiet compressor systems used in laboratory, medical, dental, and analytical instrument applications where clean, oil-free air is required. JUN-AIR products are distributed globally and are commonly specified by engineers and procurement teams for their reliability and low maintenance requirements. The product line includes enclosed and open compressor units, rocking piston and diaphragm technologies, and a range of spare parts and maintenance kits. 3G Electric supplies the JUN-AIR line as part of its industrial equipment portfolio, offering technical selection support and global shipping. The JUN-AIR catalog covers several distinct families: enclosed laboratory electric air compressors, oil-free electric air compressors, air compressor oils, and preventive maintenance kits. Enclosed models are available with motor sizes from 1/2 hp to 4 hp, flow rates from 1.6 cfm to 5.5 cfm, and maximum operating pressures of 116 psi or 120 psi. Many units operate on 120V or 230V single-phase power and feature powder-coat finishes. Oil-free construction eliminates the risk of oil contamination in sensitive processes, and some models include integrated desiccant air dryers to reduce moisture in the compressed air stream. The compressors are used to power analytical instruments, pneumatic controls, and other equipment that demands clean air. Accessories such as mineral-based compressor oil (SAE 5W, ISO 20) and preventive maintenance kits support scheduled servicing and extend equipment life. 3G Electric maintains inventory of JUN-AIR compressors, oils, and spare parts, and provides datasheets and technical specifications to assist with selection. The company serves a global customer base, shipping to industrial, laboratory, and research facilities worldwide. For technical buyers, JUN-AIR products offer a combination of oil-free operation, compact footprints, and serviceable designs. The availability of maintenance kits and oils through 3G Electric simplifies procurement and helps maintain uptime. Whether the requirement is for a small 1/2 hp unit for a single instrument or a larger 4 hp system for multiple points of use, the JUN-AIR range includes options to match. 3G Electric's role is to supply these products with accurate documentation and responsive support, ensuring that customers can integrate JUN-AIR compressors into their systems with confidence.

Common Applications

  • Laboratory instrumentation — JUN-AIR enclosed oil-free compressors (e.g., 1/2 hp, 2.5 cfm) provide clean air for analytical equipment.
  • Medical and dental facilities — JUN-AIR oil-free compressors with desiccant dryers supply dry, contaminant-free air for tools and devices.
  • Pneumatic control systems — JUN-AIR 2 hp and 4 hp compressors deliver consistent pressure for valve actuation and automation.
  • Research and development — JUN-AIR rocking piston compressors (e.g., 2 hp, 4.7 cfm) support sensitive experiments requiring oil-free air.
  • Industrial maintenance — JUN-AIR preventive maintenance kits and compressor oil (SAE 5W, ISO 20) for scheduled servicing of existing units.

Frequently asked questions

Common questions about JUN-AIR from 3G Electric.

What is the maximum operating pressure of JUN-AIR enclosed laboratory air compressors?

JUN-AIR enclosed laboratory electric air compressors typically have a maximum operating pressure of 116 psi or 120 psi, depending on the model. For example, the 3/4 hp and 1/2 hp units are rated at 116 psi, while the 4 hp and 2 hp models with desiccant dryers are rated at 120 psi. These pressures are suitable for powering analytical instruments, pneumatic controls, and other laboratory equipment that requires clean, dry air. Always verify the specific model's datasheet for exact pressure ratings and flow characteristics.

Are JUN-AIR compressors oil-free?

Yes, the JUN-AIR laboratory electric air compressors supplied by 3G Electric are oil-free designs. They use rocking piston or diaphragm technology to deliver compressed air without oil contamination, making them suitable for sensitive applications such as analytical instruments, medical devices, and pneumatic controls. Oil-free operation eliminates the need for oil separation filters and reduces maintenance. However, some JUN-AIR compressors may require oil in the crankcase for lubrication, so always refer to the specific model's manual for maintenance requirements.

What maintenance items are available for JUN-AIR compressors?

3G Electric stocks JUN-AIR preventive maintenance kits and compressor oil. The maintenance kit (part number 5470400) includes components for scheduled servicing, such as filters and seals. The mineral-based compressor oil (part number 5631000) is a 16 fl oz bottle with SAE 5W grade and ISO 20 viscosity, suitable for topping up or changing oil in reciprocating compressors. Following the manufacturer's maintenance schedule with these genuine parts helps ensure reliable operation and extends compressor life.

What is the flow rate range of JUN-AIR electric air compressors?

JUN-AIR electric air compressors in the 3G Electric catalog deliver flow rates from 1.6 cfm to 5.5 cfm. Smaller models, such as the 1/2 hp unit, provide 2.5 cfm, while larger 4 hp models can deliver up to 5.5 cfm. Flow rate depends on motor size, pump type, and operating pressure. When selecting a compressor, match the flow rate to the total air demand of your instruments or equipment, accounting for any pressure drop in the system. Datasheets provide flow curves for accurate sizing.

Can JUN-AIR compressors be used in medical or dental applications?

JUN-AIR oil-free compressors are often used in medical and dental applications where clean, dry air is essential. Their oil-free design prevents contamination of air lines, and optional desiccant dryers reduce moisture, which is critical for instruments and patient safety. However, specific medical certifications or compliance with local healthcare regulations should be verified for each application. 3G Electric supplies these compressors globally, and technical documentation is available to support validation and installation.

Does 3G Electric supply JUN-AIR products?

Yes — 3G Electric (S) Pte. Ltd. supplies JUN-AIR products. We stock the JUN-AIR catalog and supply genuine factory-original products with full manufacturer warranty and technical support.