General description Sealey Air Regulator 1/4" BSP Female to 1/4" BSP Male is designed for heavy-duty applications, featuring a robust aluminium alloy valve assembly. It includes an outlet shut-off valve and an airflow control knob that can be locked to prevent accidental pressure adjustments. Technical specifications Model No.: SA5/RG/14 Material: Heavy-duty aluminium alloy Gauge: Large gauge dual marked in psi and bar Other information