Oil Filters

NT4556 is a heavy‑duty spin‑on oil filter designed for industrial screw air compressors and marine compressor systems. It removes fine metal particles, carbon deposits, sludge and other contaminants from lubricating oil, ensuring oil cleanliness and protecting core components such as rotors and bearings. It is a critical maintenance part for stable equipment operation.

Features

High filtration accuracy with excellent dirt‑holding capacity

Heavy‑duty metal housing for high pressure and temperature resistance

Built‑in bypass valve to protect the system during clogging

Premium nitrile rubber seal for reliable leak‑proof performance

Low flow resistance to maintain normal oil supply

Spin‑on design for easy installation and direct replacement

Application

Mainly used for lubrication system filtration of industrial screw air compressors and marine compressors. It stabilizes equipment operation and extends the service life of lubricating oil and mechanical parts.