ZM-7.5 Permanent Magnet Variable Frequency Screw Air Compressor

Product Overview

The ZM-7.5 permanent magnet variable frequency screw air compressor is a compact 7.5kW air compressor designed for small industrial facilities and pneumatic workshops. A high-precision screw rotor and intelligent control system provide stable output, low noise, and efficient air delivery. The unit supports 24-hour continuous operation and includes automatic protection for over-temperature, overload, and phase loss. Its enclosed cabinet improves heat dissipation and simplifies maintenance. This cost-effective compressor supplies clean and stable compressed air for mechanical processing, automobile repair, woodworking, packaging, and small sandblasting, making it well suited to small and medium factories.

Power

7.5KW

PowerSupply

380V

Cooling method

Air-cooled

Startup method

Frequency conversion

Work-related stress

0.8-1.0MPa

Working Principle

G1/2

Product Overview

The ZM-7.5 is a 7.5kW small industrial frequency screw air compressor, a general-purpose industrial air supply equipment. It features a compact structure, simple maintenance, and stable long-term continuous operation. With clean air output and low energy consumption, it perfectly meets the conventional air supply demands of pneumatic equipment in small and medium-sized factories, delivering high cost performance and strong universality.
Model Meaning

7.5: Rated motor power of 7.5kW (10HP), the core specification that determines the air output and applicable working conditions of the equipment.

Product Functions & Features

• Core Configuration: Equipped with a high-precision screw main unit, featuring high compression efficiency, stable air output, small pressure fluctuation, and low noise & vibration operation;

• Intelligent Protection: Adopts an intelligent electric control system with multiple automatic protection functions including over-temperature, overload and phase loss, ensuring high operational safety;

• Structural Design: Integrated enclosed cabinet with reasonable heat dissipation structure, dust resistance, durability and easy disassembly, reducing daily maintenance costs;

• Air Quality: Efficient oil-gas separation system delivers clean compressed air, effectively protecting downstream pneumatic equipment and extending its service life;

• Operation Capacity: Supports 24-hour uninterrupted continuous operation, adapting to regular continuous air supply in factory production.

Working Environment

Suitable for conventional indoor and semi-indoor industrial working environments with good ventilation, no strong dust, no corrosive gas and no flammable & explosive substances. The equipment can be stably placed on flat and solid ground, applicable for long-term fixed use in small and medium-sized workshops, stores and factories without special environmental modification.

Application Scenarios

Widely used in mechanical processing, hardware manufacturing, automobile maintenance, woodworking processing, product packaging, small-scale sandblasting and derusting, automated pneumatic equipment, laboratory small pneumatic devices and other fields. It is a universal basic air supply equipment for small and medium-sized enterprises and individual workshops.

Technical Standards

The product is manufactured and tested in strict accordance with current national standards for screw air compressors, including GB 19153-2019 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Positive Displacement Air Compressors (Mandatory National Standard) and GB/T 26967-2011 General Oil-Injected Single Screw Air Compressors. All performance parameters, energy efficiency indicators, safety specifications, structural processes and inspection standards comply with national requirements, meeting the standards for formal industrial production, quality inspection and commercial delivery.

Application Standards

GB 50029-2014 Code for Design of Compressed Air Stations, GB/T 13277.1-2023 Compressed Air – Part 1: Contaminant Purity Grades, GB/T 16665-2025 Energy Saving Monitoring Code for Air Compressor Unit and Air Supply System.