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Air-Oil Tanks
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Catalog excerpts

Air-Oil Tanks - 1

Air-Oil Tanks Single Tank Units Double Tank Units Features & Benefits These units, with their many unique and attractive features, provide the ultimate for those systems that require hydraulic-type (precision, smooth, and rigid) cylinder control from shop air. Air-oil systems can provide the smoothness and rigidity of a hydraulic system without the inherent high costs and space consuming pump, motor, tank, relief valve, and other components required for a noisy hydraulic system. They may also be used as storage tanks in booster systems, see Fabco-Air's unique Air-Oil tanks are available in single tank and space-saving double tank ver- sions with bore (I.D.) sizes of 1-1/4", 2" and 4" to suit all applications. Single Tank Units are used when hydraulic control of the cylinder is required in one direction only. If there is any question as to the integrity of the piston seal, a double tank is recommended. Single Tank Units are also used as fluid storage tanks for boosters, hydraulic shock options, and other applications. Double Tank Units are used when hydraulic control of the cylinder is required in both directions. The one-piece heads that hold both tanks simplify mounting and save space. Single tank units Double tank units, save space in two direction control systems Black anodized heads Tapped mounting holes in top and bottom heads Large flow ports Drain port on bottom Brass baffle plates and internal parts Baffles, top and bottom, help prevent fluid aeration • Tank lengths to your requirements • No sight tubes or gauges • Translucent fiberglass tube provides full visibility of the fluid at all times. You can see when fluid levels are too low or too high. You can also see if there is air or • Custom molded Buna-N tube seals provide both I.D. and face sealing for a positive, no leak assembly • Tie rods of plated, high strength threaded rod • Aluminum tie rod cover tubes control the "H" dimen- sion and provide controlled compression of tube seals. They also provide a clean appearance. Flow Port Air-Oil System Notes 1 The best control is achieved by installing the speed control valves so that the fluid being forced out of the cylinder is being controlled. See the circuits 2 The piping between the cylinder and the speed controlling valve should be rigid enough to maintain the required rigidity of the system. 3 It is best to mount the tanks so that the bottoms of the tanks are higher than the cylinder. Cylinder ports should be up with piping running as straight as possible to the tanks. This aids in purging the cylinder of air, by allowing the air to rise through the piping and into the tank where it will dissipate. 4 The highest fluid level should be kept reasonably near the top baffle to avoid excessive air usage, providing the quickest cycle reversal, and to allow for possible fluid loss. 5 If the fluid levels in the tanks unbalance, the fluid is bypassing the cylin- der's piston seal. This can occur in a new cylinder with U-Cups designed for air service or side loading on the piston rod. In old systems the bypass can be a result of seal and cylinder wear, seal shrinkage, and many other rea- sons. See circuits on page 9.4 showing crossover valve for tank balancing. Baffles force fluid or airto sides of tank, eliminating surface aeration & foaming ' Custom molded Buna-N tube Quiet zone below baffle Brass baffle plates, tube, & Specifications subject to change without notice or incurring obligation

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Air-Oil Tanks - 2

Air-Oil Tanks Single Tank Units Double Tank Units Model Number Model Number Code Tank Bore Cubic Inches Tank Height Specify in Inches as required. Oversize Ports Bore Port Size Any port not specified will be standard size. * Specify Dimension "K" in inches & fractions. See page 9.3, 1/2" increments please. Tank Selection Step 1 Calculate work cylinder volume in cubic inches. Area x Stroke = Volume. Step 2 Add 10% to 40% to the volume for an operating margin based on system speed and level of maintenance. The higher the speed and the lower the maintenance the higher the operating margin...

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Air-Oil Tanks - 3

Standard Specifications Single Tank Unit, SAO Fill Port Flow Port Flow Port Mounting Holes from Head. Flow Port Flow Port Drain Port Double Tank Unit, DAO Flow Port Flow Ports from Head. Flow Ports Mounting Holes Drain Port Flow Port Specifications subject to change without notice or incurring obligation

Open the catalog to page 3
Air-Oil Tanks - 4

Air-Oil Tanks Single Tank Units Double Tank Units Typical Circuits Single Air-Oil Tank and flow control give hydraulic control, one speed, one direction with rapid reverse. Can be used for Multi-Power® Cylinder and Multi-Power® Air Press with Option -HS. Directional Control Two Speed Stop & Hold Double Air-Oil Tanks with shut-off valves & needle valve provide: 0 Stop and hold in either direction at any point in cylinder travel. © Choice of rapid or control rate in either direction at any point of cylinder travel. Crossover and shut off provide easy balancing of tank levels Double Air-Oil...

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