1 Insert the flashing bracket's hook into the square hole on the rail bracket. Remove. Cover should be drilled and tapped at dimensions shown, and stainless steel bolts installed for mounting top rail support guide brackets. When complete basin cover is steel or aluminum, the cover is secured to concrete basin wall with expansion bolts. Set concrete cover with hatch opening in. Top Mount Rail [8'-20'] 5105 Face Mount Rail [8'-20'] 5110 Covered Trolley Rail (6'-20') 59 NATIONAL ALSO MANUFACTURES A FULL LINE OF ROUND RAIL AND HANGERS FOR SLIDING DOOR SYSTEMS. Locate hangers to distribute load evenly, minimum 3" from edge of door. All the components, wires and connections are under the protective cover due to the same height. General Construction: Major system components, disconnect fitting, guide rail plate and upper rail support bracket are made of powder coated epoxy ductile iron. These cables. Our many handrail keys, sleeves, tees, and more include Corners with Through Centre Tube s, Two Socket Crosses, Variable elbows at different degrees, and other joins which will enable you to customise your own rails for platforms, mezzanines, and a range of applications.
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