Sealey Air Filter/Regulator - High Flow | SA4001FR

Sealey SA4001FR High-Flow Air Filter/Regulator, 1/2" BSP (145psi, 135cfm)

Sealey SA4001FR is a high-flow compressed air filter and regulator designed to help deliver cleaner, controlled air to workshop air tools and airline set-ups. It combines filtration and pressure regulation in one unit to support consistent tool performance and help reduce the risk of water and contamination reaching downstream equipment.

Built for typical workshop installations, the SA4001FR features a robust die-cast control head, a clear polycarbonate bowl for quick visual checks and an easy-to-read gauge, making it a practical choice for garages, maintenance bays and industrial work areas.

Key Features

• Filter & regulator unit: Helps remove contaminants and allows you to set working pressure for more consistent pneumatic tool performance.
• Locking regulator knob: Designed to help prevent accidental changes once the pressure is set.
• Clear polycarbonate bowl: Allows quick visual inspection of the filter bowl during use.
• Large pressure gauge: Easy-to-read gauge to monitor regulated air pressure at a glance.
• Automatic drain tap: Helps purge collected water from the filter for easier routine maintenance.
• Metal bowl cage: Added protection for the bowl in busy workshop environments.
• Wall-mount bracket supplied: Supports tidy, fixed installation on a workshop air line.

Specifications at a glance

Suitable applications

• Workshop compressed air supply set-ups where filtration and pressure control are required.
• Air line installations feeding pneumatic tools and equipment in garages and maintenance environments.
• High-flow air circuits using 1/2" BSP connections.