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HUSKY 4620 <br /> PRESSUREIVENT CAP FUR UST <br /> Three separate vaifvPs force than gravity SPECIFYING INFORMATION <br /> addrem pressure/ devices. It opens at 3" <br /> vacuum conditions in of water column (WC) Model <br /> storage tanks. pressure. DBSC�iption Welght <br /> Number Lbs. <br /> ■ Husk} Model 4520 ■ The safety lover-pres- 4620 2"Slip-On Pressure Vent Cap 1.17(.53) <br /> Incorporates three Sure valve Is designed <br /> separate valves to con- to handle high prey- 4885 2" Thread-On Pressure Vent Cap <br /> trol over-pressure and sure/high flow condi 1,17(.53) <br /> vacuum conditions tions. This valve will <br /> that arise In storage vent up to 7900 SCFH CONSTRUCTION <br /> tanks. The three valve at 2 psi. <br /> system provides the <br /> necessary protection ■ The Model 4620 Vent Body Cast Aluminum <br /> and durability needed Cap has a pliable main Screen 40 Mesh Stainless Stell <br /> In a t.i..5T vent cap. seal that seals to the Set Screws Stainrass Steel <br /> vent stack and pro- <br /> 0 The vacuum valve is vides leakproof pro- Deflector Aluminum <br /> diaphragm operated, tection. The seal is at <br /> and provides 10 times the end of the vent PATENTS AND LISTINGS <br /> more sealing force stack, not on the <br /> than gravity devices. It threads. Four stainless U L. C.A,R.B. <br /> consistently opens at steel set screws grip _ <br /> 8"of water column the vent stack, pre. Patents Pending <br /> ._ (WQ vacuum venting any loosening <br /> ■ The first overpressure of the seal. V <br /> valve is diaphragm ■ Mounts on 2"threaded <br /> operated,giving 10 or smooth vent pipe. <br /> times more sealing Adapter available for <br /> 3" pipe, for 2" threaded <br /> or slip-on. <br /> p Wks. <br /> Model 4620 <br /> Rov a-yp <br />