INSTALL_1999 - Laserfiche WebLink

Home Browse Search

1 Dryfittingsecondary vent piping containment systems Do not use fiberglass pipe to 0 (cont.) support the weight of heavy items in Permanent a line such as valves,strainers and structure steel riser pipes.When containing ' vent piping,do not use fiberglass Steel pipe clamp(typ) vent or containment piping to IFig.7-12.Support risers by attaching support the steel riser pipes:the I them directly to structure walls. weight of the steel risers may prevent good bonds in the fiberglass Steel riser ' lines and result in leaks.Support the risers by attaching them directly to ' structure Walls. Dualoy 3000/L fiberglass pipe I Q Bonding containment Adhesives for containment piping ' Q piping Two different amine-cured epoxy-resin adhesives are used to install Amero I ment piping.Ameron B20 adhesive is used for 3,3'k,4 and 6-inch containrr Apply a heavy and fittings.RP34C is used for 6-inch systems using older fittings. I ° layerorbead Bonding and testing contained primary piping of adhesive to g ` ° shaded areas Bond the primary only after the containment pipe has been placed ov o adjustments have been made for clearance and interference. ° • Follow standard adhesive procedures.Do not disturb the primary line Install inside the adhesive cures. jfl nvetsornuts and bolts first 0 Primary system bonds must be visually inspected or soap tested befc containment fittings. 0 0� Sealing containment piping Holes on some Bond containment only after primary lines have been tested and insp oldercontainment may need t • All bond surfaces must be free from water,soap,oil,grease,dirt a 0 0 o fittings may need to 9 P. be enlarged using a and should be lightly sanded before applying adhesive. 1l�drill bit before inserting rivets Take care that each leg of the containment pipe goes into the fitting s Fig.8-1. Containment fittings seat is not disturbed until the adhesive has cured. effectively onlyifthe shadedareas Assembly of 3,3/2,4 and 6-inch containment between the holes in the flanges and the inside are well covered with adhesive. • Apply a uniform,heavy coating or heavy bead of adhesive to the in Adhesive applied to the outerhalfof containment fittings flanges(Fig.8-1),to the sanded radius of the fitti containment fitting flanges will serve no purpose unless the holes themselves are the pipe will fit,and to the outside of the containment pipe.Apply adl sealed.For this reason,and to conserve both half-shells. adhesive,itsuHices toapplyadhesive onlyto the innerhalfofthe flanges. Put the containment fitting around the containment pipe carefully.M, pipe is not cocked or misaligned in the fitting. • The recommended method of joining 3,3'k and 4-inch Dualoy conta: fittings is by means of rivets.Rivetted closure is cleaner,more effecti r-------------, much faster than closure with nuts and bolts.The compressed air-dr I The sole purpose of rivets and bolts is I Ameron Rivetool and appropriately sized rivets are available from An to hold containment fitting halves from your Ameron distributor.Use wing nuts or conventional bolts The rf mane he adhesive and cures.ed 6.inch containment fittings. The performance of joined and cured Ameron fiberglass pipe systems i • Insert a rivet into each of the holes in the fitting. ' depends in no way on rivets,bolts or j Keep the upper stem of the rivet clean to avoid the accumulation of a j any other metallic closure devices. ' the end of the Rivetool. Moreover,the UUULC listing for r Dualoy 3000/L secondary • After inserting the rivets,hold the two fitting halves Follow all instr containment piping is the result of togetherfirmly with three orfour C-clamps.It is safety prec tests conducted after the adhesive always best to insert the rivets before applying the I provided with t has cured and all rivets and bolts I clamps as the rivets serve to line up the holes. L_— have bee-re--ved___J Attempting to rivet containment fittings without using C-clamps in substandard joints. 10