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HUSKY 4885 PRESSUREIVENT CAP FOR UST _ Three separate valves tions.This valve will SPECIFYING INFORMATION address pressure/ vent up to 7900 SCFH 9 Wei ht vacuum conditions in at 2 psi. Model Description Number Lbs. (kg.) storage tanks. s Husk tanks. 885 0 Model 4885 is certified 4620 2" Slip-On Pressure Vent Cap 1.2 (.54) Z' to less than 1/3 of the incorporates three new CARR EVR '4885 2"Thread-On Pressure Vent Cap 1.2 (.54) separate valves to con- Standard CP-201, trol over-pressure and which allows installa- vacuum conditions tion of 3 P/V Vents CONSTRUCTION that arise in storage maximum. Reduces tanks.The three valve installation time by Body Die Cast Aluminum system provides the not having to manifold Screen 40 Mesh Stainless Steel necessary protection the vent pipes together. and durability needed Set Screws Stainless Steel in a UST vent cap. 0 The Model 4885 (Threaded) Vent Cap Deflector Aluminum 0 The vacuum valve is easily installs by using diaphragm operated, the cast on hex nut. PATENTS AND LISTINGS and provides 10 times Allows tightening with- more sealing force out having to go than gravity devices. It between vent pipes. U.L. C.A.R.B. 'EVR E.O. VR.101.A consistently opens at Patents Pending 8" of water column 0 The Model 4620 Slip (WC)vacuum. On Vent Cap,which has same features as ■ The first over-pressure Model 4885, has a valve is diaphragm main pliable seal that o operated, giving 10 seals to the vent stack, •L 4; � times more sealing and provides rr�¢ force than gravity leakproof protection. devices. It opens at 3" The seal is at the end of water column (WC) of the vent stack,not pressure. on the threads. Four stainless steel set 0 The safety over-pres- screws grip the vent sure valve is designed stack, preventing any to handle high pres- loosening of the seal. sure/high flow condi- F� • awr��w . IN. Model 4885 Rev.9-