Oil Separators Filters

Core Technical Specifications

Filtration Grade: Primary high-efficiency coalescing separation for industrial screw compressors, targets 0.1 μm micro oil mist aerosols.

Capture Efficiency: ≥99.999% interception rate for all oil particles ≥0.1 μm.

Outlet Residual Oil Content: ≤3 ppm, fully compliant with ISO 8573-1 Class 3 industrial compressed air standard.

Filter Media: Multi-layer gradient HV borosilicate glass fiber composite, hydrolysis resistant, continuous heat resistance up to 108°C.

Operating Limits

Max Continuous Working Pressure: 1.0 MPa

Operating Temperature Range: -10°C ~ +108°C

Clean low-dust workshop: 4,000–6,000 operating hours or 12 months.

Mandatory Replacement Trigger: Differential pressure ΔP ≥ 0.08 MPa or obvious oil carryover in downstream pipelines.

Initial pressure drop of new separator: ≤0.02 MPa

Alarm replacement differential pressure: ≥0.08 MPa

Outer perforated galvanized steel jacket: Rust-proof, resistant to long-term erosion from high-temperature oil vapor and acidic condensate inside tanks.

Thickened central perforated support tube: Anti-collapse deformation under large airflow fluctuations.

Full-face heat-resistant fiber flange gasket: Zero air/oil bypass leakage.

Independent central oil return tube: Coalesced liquid oil flows back to oil sump by gravity to avoid secondary oil re-entrainment by high-speed airflow.

Key Product Advantages

Oversized gradient glass fiber media with high dirt holding capacity & stable low pressure loss

Large pleated filtration area stores massive carbon sludge, oil residues and solid contaminants. Differential pressure rises gently throughout the full service cycle even under heavy continuous oil load, maintaining stable separation efficiency without performance decay.

Built-in independent oil return pipeline prevents secondary oil carryover

Separated liquid oil is guided to the tank bottom oil sump via a dedicated central drain tube, effectively avoiding re-atomized liquid mist being carried into precision production pipelines.

Full galvanized anti-corrosion conductive metal frame adapts to harsh tank working environments

All metal supports adopt galvanized anti-rust coating to resist humid high-temperature corrosive atmospheres inside oil tanks; static conductive design eliminates static accumulation and potential fire hazards.

Working Principle

High-temperature oil-air mixed gas discharged from screw rotors enters the separator’s outer cavity. Large oil droplets collide with the outer perforated steel jacket and drop into the oil tank by gravity for primary coarse separation.

Fine 0.1 μm submicron oil mist penetrates multi-layer gradient glass fiber media; tiny oil particles collide, aggregate and coalesce into continuous liquid oil films on fiber surfaces.

Coalesced liquid oil flows downward along media layers, converges into the central built-in oil return tube, and refluxes back to the oil sump for circulation reuse.

Clean low-oil compressed air (residual oil ≤3 ppm) passes through the inner core support tube and flows out of the oil tank to downstream air treatment equipment and production terminals.

Once media is fully saturated with carbon sludge and oil deposits, differential pressure rises sharply; excessive pressure difference may crack glass fiber media and cause severe oil carryover failure.

Application Scope

Automotive component electrostatic painting workshops, metal cutting & welding factories, medium plastic injection molding production lines, food & beverage sterile packaging pneumatic systems, textile factory central compressed air supply, general machinery processing pneumatic tool stations.