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Dry fitting secondary Vent,piping containment systems Do not use fiberglass pipe to o ' (cont.) support the weight of heavy items in FPermarent a line such as valves,strainers and steel riser pipes.When containing j vent piping,do not use fiberglass steel pipe clamp ctypi vent or containment piping to Fig.7-12.Support risers by attaching support the steel riser pipes:the 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. Duaicy 3000/1-fiberglass pipe Q Bonding containment Adhesives for containment piping Q piping Two different amine-cured epoxy-resin adhesives are used to install Ameron contain- ment piping.Ameron B20 adhesive is used for 3,3'h,4 and 6-inch containment pipe Q Apply a heavy and fittings.RP34C is used for 6-inch systems using older fittings. layer fadh adhesive Bondingand contained rima g ci adhesive to g primary ry pipin shaded areas . Bond the primary only after the containment pipe has been placed over it and all o adjustments have been made for clearance and interference. • Follow standard adhesive procedures. Do not disturb the primary lines before v i inside rivets or nuts the adhesive cures. and bolts first a Primary system bonds must be visually inspected or soap tested before installing 0 o. containment fittings. Sealing containment piping Holes on some aBond containment only after primary lines have been tested and inspected. older containment All bonding g o Q o fittings may need to ' g surfaces must be fres from water,soap oil, reale,dirk and the like be enlarged using a and should be lightly sanded before applying adhesive. "A4 drill bit before inserting rivets It Take care that each leg of the containment pipe goes into the fitting straight and Fig.8-1. Containment fittings seal is not disturbed until the adhesive has cured. effectively only if the shaded areas Assembly of 3,31/2,4 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 inner half of Adhesive applied to the outerhalf of containment fittings flan g containment fitting flanges will serve no 9 gel(Fig.8-1),to the sanded radius of fittin where purpose unless the holes themselves are the pipe will fit,and to the outside of the containment pipe.Apply adhesive to sealed.For this reason,and to conserve both half-shells. adhesive,it suffices to apply adhesive only to the inner half of the flanges. Put the containment fitting around the containment pipe carefully.Make sure the pipe is not cocked or misaligned in the fitting. • The recommended method of joining 3,3'/2 and 4-inch Dualoy containment fittings is by means of rivets.Rivetted closure is cleaner,more effective and r' — —————————T—-- much faster than closure with nuts and bolts.The compressed air-driven 'The sole purpose of rivets and bolts is Ameron Rivetool and appropriately sized rivets are available from Ameron or to hold containment fitting halves I from your Ameron distributor.Use wing nuts or conventional bolts to close together while the adhesive cures. The performance of joined and cured 6-inch containment fittings. Ameron fiberglass pipe systems Insert a rivet into each of the holes in the fitting. depends in no way on rivets,bolts or any other metallic closure devices. Kee the Keep upper stem of the rivet clean to avoid the accumulation of adhesive in � the end of the Rivetool. Moreover,the U VULC listing for � � After inserting# ��————— — Dualoy 3000/L,secondary g he rivets,hold the two fitting halves Follow all instructions and containment piping is the result of together firmly with three or four C-clamps.It is I safety precautions tests conducted after the adhesive always best to insert the rivets before applying the I provided with the Rivetool. has cured and all rivets and bolts I clamps as the rivets serve to line up the holes. L——____—_J have been removed. Attempting to rivet containment fittings without using C-clamps can result 10 in substandard joints.