The 7110/8110 Pressure/Vacuum Relief Valve are designed for use on atmospheric and low pressure storage tanks,vents to atmosphere.The primary function is to protect tanks from damager deformation, and minimize emissions to the environment, as well as loss of product due to evaporation.Design Features:◆Sizes available 2”~12”(DN50~DN300);◆ The 7110 series outlet ports is same to inlet;◆ The 8110 series outlet ports is one pipe size larger than inlet flange to optimize flow capacity;◆Vent to atmosphere;◆ The weather hood and cover are easily removed for inspection and maintenance;◆Protective screens are provided at pressure and vacuum ports to prevent entrance of foreign matter;◆ The Flame Arrester、Inlet Pipe、Steam Jacket、Blowing Hole、Lining or Humidity Absorber are options to client;◆Designed and tested according to API 2000;◆ The flanges are accordance with ANSI B16.5,or EN1092、JIS;
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