7 Bondstrand® Guide Specification Pipe construction The structural wall of fiberglass pipe in 2 through 16-inch sizes shall have continuous glass fibers wound at a 543/4 helical angle in a matrix of premium vinyl ester resin. The integral, reinforced resin-rich liner shall consist of Nexus veil and a resin/hardener system identical to that of the structural wall, and shall have a 50-mil nominal thickness. Non-reinforced pure resin-type corrosion barriers (liners) shall not be allowed due to their potential for severe fracturing during transportation, installation and operation of the pipe. Pipe in 2 through 16-inch sizes shall be rated for a minimum of 150 psig at 200°F. In 2 through 8-inch sizes the pipe shall have full vacuum capability at 70°F, when installed above ground with a safety factor of 3:1. Pipe shall be manufactured according to ASTM D2996 specification for filamentwound Reinforced Thermosetting Resin Pipe (RTRP). When classified under ASTM D2310, the pipe shall meet Type 1, Grade 2 and Class E (RTRP-12ED) cell limits in 2 through 16-inch nominal pipe sizes. Filament-wound vinyl ester fiberglass pipe shall be gray. Pipe in 2 through 8-inch sizes shall be furnished in 30-ft length to minimize the number of field-bonded joints for rapid installation. Standard fittings construction Fittings in 2 through 16-inch sizes shall be filament wound with a reinforced resinrich liner of equal or greater thickness than the pipe liner and of the same glass and resin type as the pipe. Compression-molded fittings in 2, 3, 4 and 6-inch nominal sizes may also be allowed upon agreement between purchaser and manufacturer. Contact-molded, spray-up or hand-layup fittings shall not be allowed. Pipe and fittings shall be joined using a straight spigot by socket with a 0.5° taper angle and a pipe stop inside the socket to allow precise makeup. Workmanship The pipe and fittings shall be free from all defects, including delaminations, indentations, pinholes, foreign inclusions, bubbles and resin-starved areas which, due to their nature, degree or extent, detrimentally affect the strength and serviceability of the pipe or fittings. The pipe and fittings shall be as uniform as commercially practicable in color, density and other physical properties. Testing Samples of pipe and couplings shall be tested at random, based on standard quality control practices to determine conformance of the materials to American Society for Testing of Materials guidelines for testing fiberglass pipe products: ASTM D1599, D2105, D2925, D2992A or D2992B. Test samples may be hydrostatically tested by the manufacturer to 1.5 times the pressure rating for signs of leakage.
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