Coalescing Filters

Part No: E1500M1

Core Technical Specifications

Absolute Filtration Precision: Solid particles, liquid oil & water aerosols ≥1 μm

Filtration Efficiency: 99.925% removal efficiency for 1μm oil mist aerosols, certified to ISO 12500-1 multi-pass test standard

Multi-layer extra deep-pleated imported UK HV borosilicate gradient glass fiber composite media, with outer thick hydrophobic & oleophobic PU drainage foam. Integrated liquid diversion anti-re-entrainment barrier prevents separated oil and condensate from being re-entrained by ultra-high-speed large-volume industrial airflow.

Operating Limits

Max Continuous Working Pressure: 2.07 MPa

Continuous Operating Temperature Range: 1.5°C ~ 80°C

Clean low-dust industrial environments: 8,000 operating hours / 12 months

Paint booths, foundries and high-humidity dusty workshops: Shorten to 2,000–3,000 hours

Mandatory replacement trigger: Differential pressure ΔP ≥ 0.06 MPa

Differential Pressure Replacement Thresholds

Initial pressure drop of brand-new element: ≤0.0055 MPa (55 mbar)

Mandatory alarm replacement threshold: ΔP ≥ 0.06 MPa

End Caps: Reinforced blue integrated PA plastic multi-claw bayonet lock caps with internal flow diversion channels

Sealing System: One-piece molded NBR nitrile rubber full-circle O-ring, zero bypass leakage, excellent resistance to compressor oil aging and acidic condensate corrosion

Inner & Outer Support Cage: Double-layer heavy-duty perforated 304 stainless steel mesh, reinforced anti-collapse framework to resist deformation under full rated maximum airflow

Key Product Advantages

Primary mid-stage coalescing barrier to drastically extend service life of downstream precision and carbon filter elements

Installed after E1500MB particulate prefilter and before E1500MA ultrafine coalescer, this element captures massive pipeline condensate, rust debris and large 1μm liquid oil mist. It drastically reduces liquid contamination load on downstream precision filter media, extends overall consumable service cycles by over 60%, and cuts factory large-scale maintenance and spare parts expenditure.

Ultra-large dust & oil holding capacity with stable low differential pressure for 24/7 heavy industrial continuous production

Proprietary extra deep-fold glass fiber matrix stores huge volumes of oil sludge, carbon deposits, pipeline rust and solid dust without rapid pressure rise, perfectly suited for round-the-clock non-stop heavy-duty manufacturing plants. The outer high-performance hydrophobic foam rapidly drains all separated liquid to the filter bowl drain port and minimizes oil re-entrainment risk under turbulent high-volume airflow.

Thermally stabilized glass fiber media eliminates fiber shedding and full-system pipeline secondary contamination

High-temperature fully cured borosilicate glass fiber maintains complete structural integrity under sustained 80°C operating temperature without softening, pulverization or fiber shedding. No glass fiber debris enters large-bore industrial piping to block heavy spray manifolds, industrial laser optical lenses and large proportional process control solenoid valves.

Low permanent differential pressure energy-saving design to reduce power consumption of main air compressors

Uniform ultra-wide gradient pleat layout delivers minimal airflow resistance throughout the full service cycle even under full maximum rated flow capacity. Stable low backpressure reduces continuous motor loading of large industrial screw air compressors and significantly lowers long-term factory electricity operating costs.

Working Principle

High-volume pre-dried compressed air flows through the filter cartridge from outside to inner central core:

Large water droplets and coarse solid impurities are trapped by the outer thick hydrophobic foam and drain down to the large filter bowl drain port via gravity.

1μm oil-water micro-aerosols collide and coalesce into large separable liquid droplets while passing through multi-layer gradient borosilicate glass fiber media.

The outer integrated anti-re-entrainment foam barrier prevents separated oil and condensate from being re-carried by high-speed ultra-large-volume industrial compressed airflow.

Collected oil and condensate are automatically discharged via heavy-duty industrial electronic zero-loss drain valve.

Application Industries

Medium & full vehicle automotive OEM electrostatic spray production lines, heavy industry large-format laser cutting & welding workshops, large-scale pharmaceutical central aseptic filling air supply stations, super-large electronics factory cleanroom main gas source supply, food & beverage mass sterile packaging production lines, mining heavy pneumatic equipment central air supply stations requiring ISO 8573-1 Class 3 medium-clean industrial compressed air.