Kaishan Dry-Type 100% Oil-Free Rotary Screw Air Compressor Class 0 Certified

Short Description:

The Kaishan dry, oil-free series is designed for industrial environments that demand extreme reliability and continuous operation. Unlike water-lubricated technology, the dry units utilize high-precision synchronous gears to drive twin rotors, ensuring completely contactless operation and no liquid involvement in the compression chamber, delivering pure, oil-free air that meets ISO 8573-1 Class 0 standards.

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Main unit structural features

Features	Advantages
Original main unit imported from the United States.	Reliable quality
Uses two-stage compression.	With a lower pressure ratio, it is more efficient than a single-stage air compressor,achieving the same pressure with less electricity.
Compact and exquisite design	Takes up little space.
90-160kW: 4/5 tooth combination (most efficient and reliable blade combination, low vibration) 45-90kW: 4/6 tooth combination 185-315kW: First stage 5/7 teeth (new technology) Second stage 4/6 teeth	Most efficient rotor combination
Rotor housing with cooling jacket	Effective heat dissipation
Multiple gas and oil seals	Ensure oil-free compression.

Structural characteristics of the complete machine

Features	Advantages	Benefits
Separate design for fan air intake and compressor air intake.	Improve machine energy efficiency	Power saving
It features a side-entry and top-exit design.	Cold air is heavier than hot air and stays at lower levels;therefore, cold air entering from below and exiting from above provides the best cooling effect.	Improve overall system cooling performance and extend thelifespan of fans and coolers.
Centralized sewage discharge point	Condensate and lubricating oil can be collected centrally.	Waste disposal is convenient and time-saving.

Core Technological Advantages

Superior Rotor Coating: The rotor surface utilizes a special ultra-strong Teflon or molybdenum disulfide wear-resistant and anti-corrosion coating, maintaining extremely high volumetric efficiency even under high temperature and high pressure.
High-Efficiency Two-Stage Compression: The two-stage compression design effectively reduces the pressure ratio and minimizes internal leakage, significantly improving energy efficiency compared to single-stage compression.
Stainless Steel Rotor and Air Path: Key components are made of stainless steel, completely eliminating corrosion and carbon buildup problems caused by moisture condensation, extending the overhaul cycle of the main unit.
Physical Isolation Sealing: A combination of labyrinth seals and carbon ring seals creates a physical barrier between the air chamber and the lubrication oil circuit, ensuring that lubricating oil never enters the compression chamber.

Main application areas of the product

1. Automotive industry: Lithium batteries, resistors, automotive paint
2. Electronics industry: Chips, semiconductors, mobile phones
3. Chemical industry: Biotechnology, plastic molding

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Dry Oil-Free Screw Air Compressor