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Technical Data Shed <br /> Air Release Assemblies and Valves °�te- <br /> Ie4Hede13 <br /> Applications <br /> The Oronco&ARA Air Release Assembly functions as a manual <br /> _Dischargo air,gas,and vacuum release at high points in all pressurized <br /> I outlet effluent collection or transport lines. <br /> The ARv21 and ARV4O Valves are automatic combination air/ <br /> vacuum release valves with large-orifice valve designs.Both are <br /> suitable for use on all pressure lines where the automatic release <br /> of air,gases,and vacuum is needed. <br /> In addition,the ARV21 has an air gap at the top of the valve that <br /> prevents fluid contact with the sealing mechanism.This makes it <br /> ideal for use in applications with continuous high-vohane flows, <br /> such as pressure sewer mainlines. <br /> General <br /> Orencda AM Air Release Assembly is designed to provide a <br /> high-rellebIM low-maintenance manual air release valve <br /> as <br /> sem- <br /> bMecan easily beconvertedmen automaticeir/vacuum <br /> relies.assembly using an ARV21 or MVP Valve,without <br /> needing to replace piping,This allows greater system Nesibility <br /> beam systems can be designed 01 use ARA assemblies state <br /> N. manual valves,and mon costly 8111017141valvesc valves can be installed <br /> kW in[oceans where they era necessary. <br /> I Air i To mike upgrading to an ARVIN or ARVIO Valve easy,Orenco <br /> recommends a minimum diameter of 24 inches 1810 mnl and a <br /> minimum height of 20 inches(180 mm)for ARA enclosure. <br /> ARA ASgnaw Ws*wdiANIMA' The ARO andARV4O Valves are automatic combination <br /> airNacuum release vibes with large orifice valve Miens that <br /> make pro-fifers unnecessary.The large orifice valve design also <br /> enbences the reliability of the viNes,which reduces the need for <br /> maintenance. <br /> Discharge_ <br /> outlet Standard Models <br /> Assembly, . <br /> Valves:ARV21, <br /> 2-m.NPT Kin.NPT pressure <br /> Stainless steel threaded plug —gauge po <br /> reinforcing collar <br /> D <br /> • <br /> _lit 4 <br /> 4 j air Seen <br /> Seib valve - Se- = ball vette <br /> ARAAiReleeahAaeelOrw x . a ' <br /> ages anew Iv- 4Inn niflU-I <br /> an91.Sn <br /> lisp l3 <br />