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Pressure Relief Valves

Pressure Relief Valves
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Prevent damage caused by pressure differentials Pressure and vacuum differentials will occur in equipment and transit containers when they are subject to changes in temperature and/or altitude. The installation of relief valves in equipment and transit containers will prevent damage caused by pressure of vacuum differentials. The use of relief valves allows designers to reduce the constructional strength and weight in equipment or transit containers. Fully automatic Optional valve operated indicator Wide operating temperature range Two way valves for pressure and vacuum relief Fully automatic opening and closing Manual override facility for equalisation Protection against waterspray (optional) Flow rates range from cc/min to litres/h Low cohesion providing reliable opening Available in aluminum, brass, stainless steel and plastic Transit/storage/missile containers Pressure sensitive applications Air portable containers Non return valves Out gassing protection Airborne equipment Sealed enclosures Gas pipelines Pressure Relief Valve mounted to a transit container Specification Operating temperature: -30ºC to +90ºC Pressure or vacuum opening: minimum 250N/m² (1inch W G) Pressure opening: maximum 206 KN/m² (30 PSI) Vacuum opening: maximum –68.9 KN/m² (-10 PSI) Opening tolerance: ±5% Stability: ±10% Brownell Ltd. | Unit 2 | Abbey Road Industrial Park, | Commercial Way | Park Royal | London | NW10 7XF T: +44(0) 20 8965 9281 | F: +44(0) 20 8965 3239 | info@brownell.co.uk | www.brownell.co.uk

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