1. Discharge Pressure & Airflow Rate: Matching Requirements is Fundamental

• Reserve a 10%-20% margin for airflow rate (opt for 20% if the installation distance is long or additional equipment may be added later) to avoid "insufficient power for tools" or "energy waste due to frequent start-stop cycles."
• Calculate system losses (e.g., filtration, pipeline resistance) when determining discharge pressure. If there is a significant pressure difference between different equipment, selecting separate compressors for each will be more cost-effective.

2. Energy Efficiency Ratio: Prioritize Higher Grades for Better Energy Savings

• Grade 1: (Internationally Advanced): Most energy-efficient;
• Grade 2: Relatively energy-efficient;
• Grade 3: Domestic average level.

3. Air Usage Scenarios: Choose Air-Cooled or Water-Cooled Models as Needed

• Air-cooled models: Suitable for environments with good ventilation and limited space;
• Water-cooled models: Ideal for high air consumption scenarios with good water quality.

4. Compressed Air Quality: Just Enough to Meet Requirements

• Oil-injected compressors: Refer to national standards;
• Oil-free compressors: Refer to international standards;
• There’s no need to pursue "extreme purity"—matching production needs is sufficient. Excessive purification will increase costs.

5. Safety: Select Certified Manufacturers

6. After-Sales Service: Evaluate Response Speed & Professionalism