Sealey Air Filter/Regulator/Lubricator - High Flow | SA4001

Sealey SA4001 High-Flow Air Filter / Regulator / Lubricator (1/2" BSP, 145psi)

Sealey SA4001 air filter/regulator/lubricator helps protect pneumatic tools and improve day-to-day air-line performance by filtering the air supply, regulating pressure and adding controlled lubrication in one compact assembly. Designed for workshop air supply set-ups, it’s a practical choice when you want cleaner air, stable pressure and consistent tool operation.

The SA4001 features durable die-cast control heads with clear polycarbonate bowls to help with quick visual checks, plus protective metal bowl cages for added guarding in busy work areas. A locking regulator knob and easy-to-read gauge make it straightforward to set and maintain your required working pressure.

Key Features

• Three-in-one air preparation: Combines filtration, pressure regulation and lubrication to help support smoother, more reliable air tool operation.
• High-flow design: Rated up to 99cfm maximum airflow for workshop set-ups that need strong air delivery.
• Locking pressure control: Regulator includes a locking knob to help prevent accidental pressure changes once set.
• Clear pressure monitoring: Large, easy-to-read pressure gauge for quick checks at the point of use.
• Automatic drain filter: Filter unit includes an automatic drain tap to help remove collected moisture without manual intervention.
• Controlled lubrication: Lubricator features oil/air mix control and a sight glass to help monitor oil level and feed.
• Protected bowls: Clear polycarbonate bowls with metal bowl cages for extra protection in workshop environments.
• Wall-mount ready: Supplied with a wall bracket for secure installation.

Specifications at a glance