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ITEM#11 &#16 OPW 61 f STOP Materials t "THE STOPPER" Overfill Prevention Valve Body,Adaptor and Collar: cast aluminum Valvess' Poppet: Cast aluminum, The OPW 61 fSTOP Overfill Prevention hard-coated Valve("The Stopper")is designed to prevent Cam: Stainless steel overfilling of above ground storage tanks Follower: brass by providing a positive shut-off during a Shaft: CRS zinc-plated pressurized-fill(pump-on fill)delivery. The Stopper"threads into the fill opening Bearing: Sintered bronze 6lfstop-1000 61fStop-2000 61 fStop-3050 and is an integral part of the fill tube. Float: Closed-cell nitrile I Ile p, The OPW61 f STOP is fully adjustable to Nipple: 2"-3"schedule ECRB allow for easy installation in new or existing 40 steel pipe feRTIfVRCp above ground tanks of various heights and storage capacities. Lower Nipple: 2"-3"schedule 40 steel pipe with Duragard® The Stopper is a single-action,complete coating shut-off valve. When the liquid level rises to your specific,pre-determined tank capacity, the valve mechanism is released and automatically closes with the flow of the 61)stop-10007 61fStop•20007 61fStop•3050i product. Any excess product left between the valve and the fuel delivery coupler is Features drained into the tank through internal drain ♦ A Spacial Crossbar Tank-Inlet Adaptor— ♦ Integral Anti-Siphon Valve—drain vents vents. The drain vents on the 61fSTOP act as is provided with each Stopper to provide on the 61 f STOP act as an anti-siphon, an anti-siphon,by introducing air/vapor into the for tight-fills and help prohibit open- by introducing air/vapor into the fill line fill line,to help isolate the tank from a potential fills. Mounting hardware, upper drop after the valve actuates,to help isolate siphon due to a broken or leaking fill pipe. tube and 14"lower drop tube provided the tank from a potential siphon due to (longer-length drop tubes can be a broken or leaking remote-fill pipe. The 61(STOP,available in either 2"or 3" purchased or added). full-flow models, maximizes flow rates and ♦ 150 psi(10 bar)Pressure Rated'with minimizes delivery times. The 2"61 fSTOP ♦ Completely Automatic Operation— Low Pressure Drop—to enable quick, requires a 4"tank opening and minimum tank no pre-checks to perform,no resets,and safe delivery of fuel into the tank. ullage(space from the top of the stored product no overrides to be broken or abused. ♦ 25 GPM(95 Ipm)Minimum Flow Rate to the inside top of the tank)of 8"on the ♦ Direct or Remote-Fill Compatible— Required. 61(STOP-1000 Cylindrical Float model and fuel delivery couplers can be connected ♦ UL and ULC Listed—to satisfy a minimum ullage of 4"on the 61 f STOP- directly to the 61 fSTOP,or steel pipe Third Party accreditation 2000 Float Arm model. The 61 fSTOP-1000, can be threaded into the top of the valve requirements of many jurisdictions. with the cylindrical float,eliminates the need and piped to a remote location where to position the valve to avoid tank walls or the couplers are contained in a ♦ CARB Approved VR401-A;VR401-B cross-bracing. The 61(STOP-2000 with the 211-RMOT Spill Container. float arm allows for increased usable storage capacity in the tank,and is well-suited for small capacity rectangular ASTs.The 3" 'DPW does not recommend pumping pressures above 100 psi for Class 19 fuels or remote applications and we make no warranties for products use in conjunction with the 61 fSTOP. 61 fSTOP requires a 6"tank opening and NOTE: OPW recommends the use of the 61 fSTOP with clean product only.Debris and other incorporates a cylindrical float requiring 8" products such as contaminated waste oil may cause improper operation of the valve. of tank ullage space. NOTE:The 61 Sto can be used in gravity drop 61fStop g ty p provided the minimum Flow rate is maintained. A tight shut-off is not achieved in the closed position.However with a minimum tank size of 1,000 gallons,the leak rate will provide a 30- minute warning before the tank is full. Approvals O () C CARB EAR Certified O P WY Y. 440- and Listings � � VR-401-A; VR-401-B