COMPLIANCE INFO_1989-2013 - Laserfiche WebLink

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FLANGE Note: Avoid point loading the adapter when using a nylon strap wrench to tighten. B. Flanges: Before bonding onto the RED THREAD II pipe, make sure the bolt holes line up with the mating bolt holes on the steel flange. Use%" thick, full face 60-70 durometer gaskets that are chemically compatible with the fluid going through the line. V. Inspection. Since during transportation, storage and handling pipe can sometimes incus rough treatment, all pipe shall be inspected for possible damage to the bell, the spigot or the pipe wall. Damaged sections must be cut out or repaired. If in doubt about damage, contact your local represen- tative. If pipe bells or spigots have been exposed to weather or sunlight for more than three days, it is necessary to cut 1 " from the spigot and taper. Exposed bells on fittings must be returned to factoryfresh surface using a power driven hone or flapper sander. T.A.B. bells should be cut off, pipe tapered and a sleeve coupling bonded on. VI. Repairs. A. On buried lines a permanent repair should be made before the line is covered. B. If the damage covers a small area, proceed as follows: 1. Cut a length of good pipe long enough to adequately cover the damaged area and extending at least 2" (and preferably 4") beyond either side of damaged area 2. Slit this "patch" lengthwise twice and remove a section so that about three-fourths of the circumference is left. 3. Thoroughly sand the inner surfaces of this patch, and sand a cor- responding area on the pipe around the damaged section. Use coarse sandpaper or a bastard file to remove all the gloss from the bonding surfaces. 4. Clean both surfaces with solvent from an adhesive kit; apply ad- hesive to both surfaces; snap the patch in place; then squeeze with hose clamps, a repair clamp, or stainless steel banding until the adhesive hardens. The clamping device may be left on or removed, depending on its salvage value. C. Repair on extensive damage. 1. Extensive damage can be defined as damage too long to patch or damage all around the circumference, which cannot be patched. 2. If the damage is local, but all the way around, proceed as follows: a. Check to see if there is sufficient slack in the pipe so that the damaged section can be` cut out, cut ends tapered, and a sleeve coupling bonded between the tapered ends. 3. If the damaged section is extensive, too large for 2.a. above, or too large to patch, proceed as follows: a. Cut out the damaged section. b. Taper the cut ends. c. Fit a nipple with sleeve couplings on each end so that it isslightly longer than actually required to fill the gap. d. Clean all four bonding surfaces, apply adhesive to all surfaces, and insert the repair section into the line, making certain that all tapers are tightly locked. L] �r i THREE-FOURTHS OF THE CIRCUMFERENCE IS LEFT REMOVE ALL GLOSS \ FROM BONDING SURFACES SQUEEZE PATC IN PLACE WITF CLAMP CUT OUT DAMAGED SECTION TAPER CUT ENDS FIT NIPPLE WITH SLEEVE COUPLINGS INSERT REPAIR SECTION INTO LINZ, TIGHTLY LOCK ALL TAPERS