Pneumatic Self-Relieving Valves

These Ross Relief Valves are available in two series: the Miniature Series and the High-Flow Series. The Miniature Series, with port sizes of 1/8" and 1/4", supports flows up to 40 scfm (18.8 l/s) and offers a compact inline relief valve solution featuring diaphragm construction and self-relieving capabilities for precise pressure control. The High-Flow Series, with a 1" port size, handles flows up to 450 scfm (212 l/s) and provides a high-capacity inline relief valve solution, also featuring diaphragm construction and self-relieving capabilities for efficient and reliable pressure relief in high-flow applications. Both series are designed for easy installation. If the system pressure exceeds the pilot regulator setting (set-point), the High-Flow Relief Valve will begin to exhaust air after an approximate 2 psig (0.1 bar) rise above the set-point. Should the system pressure drop below the set-point, the fill valve will open to supply air downstream and maintain the system at the set-point.