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L City of Everett Permit Review <br />CheckMate° Installation Procedure EVER... Status: Reviewed for Permit <br />01/19/2023 6:53:47 PM <br />NEVER.. NEVER... NEVER... NEVER... <br />Install the valve at an angle Use Sharp Tools on Rubber Exceed Design Back Pressure Install the Valve Backwards <br />Extraction t <br />Cuff <br />'Clamps are installed in the upstream or downstream cuff, depending upon the application. <br />The illustration above is shown clamped upstream. <br />CHECKMATE® INSTALLATION <br />1. Product Shipping 3. Inspection of Pipe I.O. <br />Valve sizes 2"-1S" are furnished with one clamp. Valves 20"-60" Check the inside diameter (I.D.) of the pipe section for rough or <br />ale <br />Area) <br />ship with two clamps.72" valves ship with three clamps. <br />damaged areas. The inside surface should be uniform and relatively <br />smooth. Long gouges or cracks in the pipe may allow water to Pass <br />NOTE: A clamp is installed on each end of the valve to keep the <br />and should be filled prior to installation. Do not attempt to install a <br />valve's shape during transit and storage. Once the installation <br />CheckMate° in a smaller pipe I.D. <br />orientation is determined the CheckMate° valve will be clamped <br />from either the upstream or downstream side. For vahres with two <br />4. Pipe I.O. Measurements <br />or three clamps, they can be installed onto the same side of the <br />valve and offset imm each other, as illustrated in Figure 1. <br />The pipe I.O. is to be checked in the field. It should be a consistent <br />diameter for the length of valve and should not be am of round. <br />2. Unpacking & Lifting <br />When there is a+/- tolerance an the pipe I.O., the CheckMate®Valve <br />should be ordered to the smallest pipe I.O.. Then, rubber adhesive <br />0o not use sharp tools when unpacking this product as it may <br />strip can be applied to both CheckMate° cuffs to build the cuff O.D. <br />damage the valve. <br />up to the actual pipe I.O. See procedure in N5. <br />For larger CheckMate° valves, the valve should be lifted with either <br />a sling or with supports around the O.D. at each side of the valve to <br />ease the installation procedure. Do net place an object through the <br />valve in order to lift. <br />CAUTION: Do not by W bend, collapse or fold the valve in order <br />to indurate the installation as this will cause Permanent dam- <br />age and will not allow the valve to realm rd a filly muM Shape. <br />Yi <br />Figure 1—Clam" shown installed On the some side of valve <br />