Pentair Valves & Controls has launched its new Anderson Greenwood 4000 Series of pressure and vacuum relief valves, compliant with the latest API 2000 standard. Pentair Valvves & Controls describes the valves as the first high capacity full lift valves verified to meet the requirements of the seventh edition of API 2000, which covers normal and emergency vapour venting requirements for bulk liquid storage tanks.
The valves are engineered to provide increased flow capacities and will fully open at 10% overpressure, helping protect tanks from physical damage caused by internal pressure fluctuations. As a result, the valves can be set more closely to a storage tank’s maximum allowable working pressure (MAWP) or maximum allowable working vacuum (MAWV), enabling customers to fill and empty tanks more quickly, and operate them at higher pressures. The 4000 Series valves remain closed longer and enhance flow capacity, resulting in increased productivity and reduced evaporation.
Stuart Brooks, Tank Protection Product Manager at Pentair, said: “With verified 100% API 2000 compliance, customers can be fully confident that they are working with products that meet the latest standards […] There is strong demand from operators for equipment that can enhance efficiency to increase productivity and save costs. The new Anderson Greenwood 4000 Series vacuum and pressure relief valves extend our tank protection offering to deliver these benefits thanks to their optimised design.”
The valve range is available in weight or spring-loaded designs and comes in 2 in. to 12 i. sizes. In accordance with API 2000, the valves have been tested on a square-edge flange connection and are available in a variety of coatings, such as PTFE and ECTFE, for protection from extreme temperatures and corrosive media.
Edited from press release by Callum O'Reilly
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