Straight Line Sumo Bow Ballast Bag 650 Lbs

Beefed up and better, the 2011 Sumo Sacs are here. Made from the most flexible, puncture resistant material available, a sandwiched, woven polyester core and have internally glued and taped seams for a nearly indestructible bag. The sandwich construction keeps them thin, so they are easy to fold up and store when not in use. We spent a lot of time measuring different boats to make sure that these square bags will fit anywhere on any boat. 50x44x10 One Link valve for water and air tight fillingdraining Three 1 standard pipe fittings for the ultimate in custom installation flexibility. Centered handle on top makes it easier to adjust the bag in compartments during fillingdraining Weight label around valve for easy size identification Color coded graphics for ideal boat location recommendations Straight Line's spring loaded Link valve creates a clean, water tight seal that automatically opens and closes when the Uber or Sumo pump is used for filling and draining, eliminating water shooting into the boat. SUMO Skin 1000D: SUMO Sacs are made with our own flexible and puncture resistant fabric, a oeSUMO Skin.a It has a durable 1000D polyester core that is heat laminated to lightweight PVC skins with a bonding agent. This sandwich construction is 150% stronger in tearing tests and 37% higher in tensile strength than our competitors, making it the most durable ballast bag available. SUMO Seams: Every SUMO sac is double welded to ensure a watertight seal. Our tough SUMO Skin is overlapped and hot air welded. You can see the smooth and clean seams on the outside of every bag, and a second welding operation applies an inch wide sealing tape to the inside of every seam. LINK Valve: Our unique LINKTM system provides a hassle free connection to your Sumo Pump, keeping your boat dry on the inside. The LinkTM Valve is watertight and can also be used as a convenient way to purge air from your bag. 1a NPT Valves: NEW and Improved threaded valves provide a perfect water tight seal, and have been pressure tested up to 6 PSI. Our 1a NPT ports allow built in ballast systems to fill, drain and vent quickly for hassle free operation.