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ITEM #23 <br /> All Pressure/Vacuum Vents have three (3) separate valves that address <br /> pressure/vacuum conditions in underground storage tanks. <br /> Model 4620 and 4885 Model 4620 is a slip-on vent Pressure/Vacuum Vents <br /> The three(3)valve system cap with a main pliable seal MODEL NO. DESCRIPTION SHIPPING WEIGHT LBS(KG) <br /> provides the necessary . that seals to the vent stack <br /> and provides leakproof 4620 2 in/51 mm Slip-On Pressure!Vacuum Vent Cap 1.2(.54) <br /> protection and durability 4885 2 in/51 mm Thread-On Pressure/Vacuum Vent Ca <br /> needed in a UST vent cap. Protection because the seal p 1.2(.54) <br /> is at the end of the vent 5885 2 in/51 mm Thread-On Pressure/Vacuum vent Cap <br /> The vacuum valve is <br /> Stack, not on the threads. with internal screen 1.2(.54) <br /> diaphragm operated and <br /> provides ten (10)times Model 4620 uses four(4) Construction <br /> more sealing force than stainless steel set screws to <br /> gravity devices. It grip the vent stack Body Aluminum <br /> consistently opens at 6" - Preventing any loosening Screen 40 Meth Gtamlacs StaPl <br /> 10" of water column (WC)/ of the seal. Internal Screen 40 Mesh Staintew Steel 15885 only)_ <br /> 1.5- 2.5 KPa vacuum. Set Screws Stamtess Stell <br /> Model 5885 Deflector Aluminum <br /> The first over-pressure Has an internal screen to <br /> valve is diaphragm protect the pressure plate <br /> operated,giving ten (10) in the event of a bad bulk <br /> times more sealing force 'v <br /> drop. <br /> than gravity devices. It <br /> opens at 2.5" - 6" WC/ .63 The safety over-pressure <br /> - 1.5 KPa pressure. valve is designed to handle <br /> Not for use in California/ high pressure/high flow ' <br /> EVR applications. conditions.This valve will <br /> vent up to 7900 SCFH at 2 <br /> Model 4885 is certifi ed to psi/ .14 bar. <br /> less than 1/3 of the CARB <br /> EVR Standard CP-201 which Certified to less than 1/3 of <br /> allows installation of three the CARB EVR Standard <br /> (3)PN Vents maximum. CP-201 which allows <br /> This reduces installation installation of three(3)P/V <br /> time by not having to vents maximum. This <br /> IN <br /> manifold the vent pipes reduces installation time by fj qC 2•5-6 ,.r C• <br /> together. not having to manifold the 2� C�. 6-10 IN. Yx <br /> vent pipes together. t (` M r +2 IN' <br /> Model 4885 is a threaded �N } -a iN- <br /> vent cap that is easily Has a threaded vent cap <br /> installed by using the that is easily installed by <br /> Caston hex nut which allows using the cast-on hex nut. <br /> This component was tested to and met the following criteria: <br /> tightening without having This also allows tightening PRES.2.5-6 IN.W.C. <br /> to go between vent pipes. without having to go VAC.6-10 IN.W.C. <br /> between vent pipes. .05 CFH 0+2 IN.W.C. <br /> .21 CFH C5-4 IN.W.C. <br /> r-40 <br /> 1 ` 'Texas Commission on <br /> `Environmental Quality <br /> A ft'-�r{ Calilomia Environmental Protection Agency <br /> ;��I AIR RESOURCES BOARD <br /> ry �c+. <br /> 1 <br />