111 SERVICE STATION HARDWARE Aboveground StorageTank Equipment Advantages • Cylindrical float design eliminates interference with tank walls and cross braces. • 100 psi working pressure rating. • Flow rate 200 gpm at 20 psi. • No minimum flow rate. • Ships complete with upper nipple and tight fill adapter with crossbar to prevent open fills. • Simply thread onto a 4" riser pipe to install. Length of upper tube determines shut-off point. Materials • Valve body: aluminum 356-T6. • Poppet: aluminum 356-T6. • Shaft: stainless steel. • Float: high density polyethylene. • Nipple: epoxy coated black iron pipe. 709 Warden® AST Overfill Prevention Valve The EBW Warden® is designed to provide a positive shut-off during a pressurized fill delivery on an aboveground storage tank. It eliminates spills and overfills, avoiding costly cleanup expenses and ground contamination. The Warden® is fully adjustable to provide shut-off in various height and capacity aboveground tanks. It is designed to fit into a 4" fill riser, making installation on new and existing locations simple and quick. Designed with inverted floats for use in small or large rectangular tanks. Requires 4" minimum ullage. Note: The Warden® is recommended for use with clean product only. Contaminated product may cause erratic operation or valve failure Model Description Weight Lbs. Kg 709-420-01 Warden®, 4" overfill with inverted floats 12.50 5.67 774-212-20 2" dust cap 1.25 0.57 27.38" WARDEN®
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