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HUSKY 4620 <br /> PRESSURENENT CAP FOR U <br /> ST <br /> i <br /> Three separate valves force than gravity SPECIFYING INFORMATION <br /> address pressure/ devices.It opens at 3' <br /> vacuum conditions in of water column (WC) Model <br /> storage tanks. pressure. Description Weight <br /> Number Lbs (kg.) <br /> ■ Husky Model e <br /> incorporates three ■ The safety over-pres- 4620 2"Slip-On Pressure Vent Cap 1,17(.53) <br /> sure valve is designed <br /> separate valves to con- to handle high pres- 4885 2'Thread-On Pressure Vent Ca 1.17(.53) <br /> trol over-pressure and sure/high flow condi- p <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 <br /> Cast Aluminum <br /> and durability needed Cap has a pliable main Screen 40 Mesh Stainless Steel <br /> in a UST vent cap. seal that seals to the <br /> Set Screws Stainless Steal <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 /> 3"of water column the vent stack, pre- Patents Pending <br /> (WC)vacuum. venting any loosening <br /> ■ The first over-pressure of the seal. <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 /> IV ,.. <br /> Modei 4620 <br /> a.r.4-99 <br />