Year: 2026

Influencing Factors of Compressor External Pressure Ratio

External pressure ratio (P_dis/P_suc) is the key operating parameter of the compressor, which is affected by multiple factors such as inlet and exhaust pressure, gas physical properties, rotating speed and isentropic efficiency. This paper analyzes its physical meaning,…

Test Standard for Noise Value of Air Compressor

This paper introduces the main standards GB/T 4980 and ISO 3744 of air compressor noise test, analyzes the significance of sound power level (LWA) as the core evaluation index, and explains the working condition requirements of noise detection,…

Danling Air Compressor Maintenance Quotation

This paper introduces the transparent quotation structure of air compressor maintenance in Danling area, covering the cost standards of inspection, labor, accessories and urgent service, and emphasizes the after-sales service advantages such as localized response, original parts guarantee…

Screw Compressor Noise Control Table

This paper provides a practical reference table for noise control of screw compressor, covering sound pressure level control objectives, ISO 3744 test basis, factory boundary and post noise reduction standards, and puts forward sound absorption, sound insulation, noise…

Hangzhou Medicine Oil-Free Screw Type Air Compressor Quotation

This article introduces the market quotation range and selection points of oil-free screw type air compressor for the pharmaceutical industry in Hangzhou, covering GMP compliance, ISO Class 0 certification, clean pipeline integration and localization verification service support. It…