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ORye <br /> ,,rvry a <br /> Air <br /> ryg <br /> mb <br /> General <br /> g;{¢'�$��y,may <br /> K.AN.jiY e^9�Y914:{l <br /> ARA Air Release Assemblies are highly reliable and easy to maintain. <br /> Discharge outlet- They can ba quicAy converted to automatic air/vacuum operation <br /> vvitimut the need to replace piping by using an ARV21 or ARV40 <br /> valve,This allovis greater system flexiblMy because systems can be <br /> designed to use NRA assemblies with manual valves,asci more costly <br /> automatic valves can be Installed later in locations where they are <br /> ARV21 valve necessary,The valves and pressure gauge port can be isolated for the E <br /> Installation or removal of components. <br /> To make upgrading to an ARV21 or ARV40 valve easy,Orenco recom- <br /> mends a minimum diameter of 24 inches(610 mm)and a minimum <br /> helght of 301nchas(760 mm)for ARA enclosures. <br /> 3 Because ARV21 and ARV40 valves are automat c combination air/ <br /> vacuum release valves with large criflGe valve designs,pre-filters are <br /> M unnecessary.The large orifice valve design also enhances the reliahil- <br /> ( iry of the valves,which reduces the need for maintenance. <br /> p } Ile <br /> eI40.A <br /> Orenco's ARA Air Release Assembly functions as a manual air,gas, <br /> and vacuum release at high points in pressurized effluent collection or <br /> transport lines, <br /> AR4AfrMeamAssamW Milli ARV21 Valve The ARV21 and ARV40 are automatic combination air/vacuum release <br /> valves with large-orifico valve designs. Both are suitable for use on all <br /> pressIs ure where the automatic release of air,gases,and vacuum <br /> The ARV21 also has an air gap at the top of the valve that prevents <br /> fluid contact with the sealing mechanism.This makes it(deal for use <br /> In applications with continuous high-volume flolvs,such as pressure <br /> Discharge outlet sevter mainlines. <br /> ARV40 valve <br /> ARA(Assembly);ARV21,ARV40(Valves) <br /> 2-In.(60 mm)NPT <br /> threaded plug <br /> -In.(6.3 mm)NPT Stainless steel <br /> pressure gauge pod reinforcing collar <br /> ' Manual airrel%s= <br /> AIM AIrRalsaseMsemfnyVA)AR1140balw [ " T c 4511 valve <br /> L <br /> _-� APAAtr Rrloase Fi.lSiazbly MM lerapral AMU81A+i Bahasa Ball vaJvrt F <br /> 8renw 5yatcrrtE°Ing.,e9d.'UrsaAN Ave,sutiierlln,an 67479 USA 800.8NVIR18 o 641459 440, Y're AP Ali-1 <br /> hu 1,3,a eail? <br /> Pape 1 07 2 <br /> k9 <br /> 3 <br />