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Model 5885 has three <br />separate valves that <br />address pressure / <br />vacuum conditions in <br />underground storage <br />tanks (1ST). <br />• The Husky 5885 pressure <br />/vacuum (PN) vent <br />incorporates three <br />separate valves to control <br />over -pressure and vacuum <br />conditions that arise in <br />storage tanks. This three <br />valve system provides the <br />necessary protection and <br />durability needed in a UST <br />vent cap. <br />• The 5885 has an internal <br />screen to protect the <br />pressure plate in the event <br />of a bad bulk drop. <br />• The vacuum valve is <br />diaphragm operated and <br />provides 10 times more <br />sealing force than gravity <br />devices. It consistantly <br />opens at 6" - 10" of water <br />column (WC) / 1.5 - <br />2.5 KPa vacuum. <br />■ The first over -pressure <br />valve is diaphragm <br />operated, giving 10 times <br />more sealing force than <br />gravity devices. It opens <br />at 2.5" - 6" WC / .63 - <br />1.5 KPa pressure. <br />• The safety over -pressure <br />valve is designed to <br />handle high pressure / <br />high flow conditions. This <br />valve will vent up to 7900 <br />SCFH at 2 psi /.14 bar. <br />■ Certified to less than 1/3 <br />of the CARR EVR <br />Standard CP -201 which <br />allows installation of three <br />(3) PN vents maximum. <br />This reduces installation <br />time by not having to <br />manifold the vent pipes <br />together. <br />■ The 5885 is a threaded <br />vent cap that is easily <br />installed by using the <br />cast -on hex nut. This also <br />allows tightening without <br />having to go between vent <br />pipes. - <br />rak - s <br />Model <br />Number Description <br />5885 2 in / 51 mm Thread -On 1.2 (.54) <br />Pressure / Vacuum vent cap <br />with internal screen <br />Body <br />Aluminum <br />Screen <br />40 Mesh Stainless Steel <br />Internal Screen <br />40 Mesh Stainless Steel <br />Set Screws <br />Stainless Steel <br />Deflector <br />Aluminum <br />PATENTS . LISTINGS <br />Patent Numbers: 5,957,157 <br />Texas Commission on <br />Listings: & a Environmental Quality <br />(a- <br />G�'jdua.noRmafdA.xaebnAgers� <br />AiR R£SOORCES BQARD <br />CARR EVR Executive Orders: <br />VR -101, VR -102, VR -103, VR -104, <br />VR -105 <br />1* <br />�n�:r <br />i <br />This component was tested to and met the <br />following criteria: <br />.5-W.C. <br />-1 W.C. <br />.05 CFH @ +2 IN. W.C. <br />.21 CFH @ -W.C. <br />Rev. 11.08 <br />