No additional specifications were given. SPRINKLER PIPING SPECIALTIES A. Branch Outlet Fittings: 1. Standard: UL 213. 2. Pressure Rating: 175-psig (1200-kPa) minimum. 3. Body Material: Ductile-iron housing with EPDM seals and bolts and nuts. 4. Type: Mechanical-tee and -cross fittings. 5. Configurations: Snap-on and strapless, ductile-iron housing with branch outlets. 6. Size: Of dimension to fit onto sprinkler main and with outlet connections as required to match connected branch piping. 7. Branch Outlets: threaded. B. Flow Detection and Test Assemblies: 1. Standard: UL's "Fire Protection Equipment Directory" or FM Global's "Approval Guide." 2. Pressure Rating: 175-psig (1200-kPa) minimum. 3. Body Material: Cast- or ductile-iron housing with orifice, sight glass, and integral test valve. 4. Size: Same as connected piping. 5. Inlet and Outlet: Threaded. C. Branch Line Testers: 1. Standard: UL 199. 2. Pressure Rating: 175 psig (1200 kPa). 3. Body Material: Brass. 4. Size: Same as connected piping. 5. Inlet: Threaded. 6. Drain Outlet: Threaded and capped. 7. Branch Outlet: Threaded, for sprinkler. D. Sprinkler Inspector's Test Fittings: 1. Standard: UL's "Fire Protection Equipment Directory" or FM Global's "Approval Guide." 2. Pressure Rating: 175-psig (1200-kPa) minimum. 3. Body Material: Cast- or ductile-iron housing with sight glass. 4. Size: Same as connected piping. 5. Inlet and Outlet: Threaded. E. Adjustable Drop Nipples: 1. Standard: UL 1474. 2. Pressure Rating: 250-psig (1725-kPa) minimum. 3. Body Material: Steel pipe with EPDM-rubber O-ring seals. 4. Size: Same as connected piping. 5. Length: Adjustable. 6. Inlet and Outlet: Threaded.