Coalescing Filters

Model: A51132874

Type: Spin-on Oil Filter Cartridge for Rotary Screw Air Compressor

Core Technical Specifications

Filter Media: Multi-layer high-density composite filter paper with high temperature resistance

Filtration Precision: 10μm hard particle capture efficiency ≥99.5%

Max Working Pressure: 1.6 MPa / 16 bar

Max Continuous Operating Temperature: ≤120℃

Initial Differential Pressure: ≤0.01 MPa

Service Life: 3000–6000 working hours or 12 months 

Installation Type: Spin-on threaded external oil filter, direct screw mounting

Sealing Material: High temperature resistant nitrile rubber gasket

Key Product Features

Efficient lubricating oil impurity interception

High-density graded filter paper fully traps metal abrasive particles, carbon deposits, dust and oxidation sludge generated during compressor operation, effectively protecting the rotor bearing, screw airend and oil circulation pipeline from wear and blockage, extending the service life of core compressor components.

Low pressure drop energy-saving design

Uniform pleated large-area filter structure ensures smooth oil circulation, maintains stable low oil flow resistance under long-term full-load operation, avoids insufficient lubrication caused by oil supply obstruction, and reduces compressor power loss.

Large dirt holding capacity

Deep folded filter paper stores massive solid pollutants, prolongs maintenance intervals and lowers filter replacement frequency.

Full metal reinforced shell & internal support

Thickened anti-corrosion steel shell and built-in perforated metal inner support prevent filter deformation, collapse and rupture under high oil pressure fluctuation, eliminating oil leakage risk.

Working Principle

Compressor lubricating oil circulates from the oil tank through the inner thread inlet of the filter. Impurities in the oil are intercepted by the composite filter paper; clean lubricating oil flows out from the outer layer to lubricate and cool the airend, then returns to the oil tank to form a closed circulation system.

Application & Industries

Widely applied in machinery manufacturing, metal processing, packaging, textile, spray painting, food processing, pneumatic tool stations and factory centralized air supply systems.