The Clesse APS2000 1st Stage Ajustable OPSO Fixed 1 bar (1-3bar) Gas Regulator with Schrader TP is also adjustable between 1–3bar should it be necessary. These are mainly used on Commercial, Industrial and Agricultural LPG Installations using Bulk Tanks. They provide the first stage regulation function and are fitted directly onto the Tanks or inline using Tank Manifold kits, and have OPSO (Over Pressure Shut Off) Device fitted before or after the regulator.This regulator has the OPSO fitted before the regulator and is monitored upstream via a sensing line. Design and performance to BS EN 13785
