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• • March 2012 Section 3 KP Design Page 3 -33 • Amerex Restaurant Fire Suppression System (EX 4658) • DISTRIBUTION PIPING LIMITS for KP FIRE SUPPRESSION SYSTEM ONLY • DESIGN LIMITS FOR ALL CYLINDER SIZES • When designing a KP System to protect a kitchen containing a Fryer, Wok or Range, the following MINIMUM TOTAL SYSTEM PIPING must be used in accordance with the chart below: • MINIMUM PIPING REQUIREMENTS • MINIMUM MINIMUM TOTAL MINIMUM FLOW • APPLIANCE LINEAR FEET EQUIVALENT FEET POINTS PER SYSTEM 6.5 10 2 • Wok 9 22.1 6 • Range 7 16.4 4 SUPPLY LINE LIMITATIONS: • All 'lie and fittin•s runnin• from the distributor block or the dischar.e fittin• to the first tee. CYLINDER MAXIMUM LINEAR MAX. QTY. MAX. QTY. MAX. QTY. • FLOW POINTS PIPE SIZE FEET OF PIPE TEES ELBOWS BUSHINGS • 275 -8 3/8 20 1 5 0 375 11 3/8 OR 1/2 25 1 5 1 • 475 - 14 1/2 25 1 5 2 600 - 18 1/2 25 1 5 2 II Two-375 —22 1/2 30 2 7 2 • NOTE: 1. Use 3/8"supply line only when all piping is to be 3/8"pipe. 2.The supply line has a maximum vertical rise above the distributor of 10 feet. • SUPPLY BRANCH LINE (including last nozzle branch) LIMITATIONS: • All pipe and fittings leaving the first splitting tee in the system and ending with the last nozzle in the last • branch line. While the last nozzle branch is included in the piping limitations for the supply branch line, the limitation (pipe size and maximum length) for nozzle branch lines apply to this portion of the supply branch • line. • CYLINDER MAX. FEET OF MAX. MAX. MAX. nTY. FLOW PIPE STRAIGHT MAX. FEET OF QTY. QTY. RED G • POINTS PIPE SIZE PIPE SPLIT TEES ELBOWS BUS S • 275 - 8 3/8 20 25 7 8 0 375 - 11 3/8 0R 1/2 27 30 10 8 2 • 475 - 14 3/8 27 30 12 8 2 • 600 - 18 AS NOTED 35' OF 3/8"OR 1/2" 50' 3/8" PIPE ONLY 14 8 2 • Two-375-22 AS 40' of 1/2" 45 of 1/2" 18 8 0 NOTEED (*30' of 3/8") (*30' of 3/8") • NOTE: 1. In a single 3.75 Gallon Straight Pipe System, 5' of pipe may be transferred from the supply line • to the supply branch line. * 2. The use of 3/8" pipe with two manifold KP375s is only permitted when the SUPPLY LINE • length is equal to or less than 20'. • NOZZLE BRANCH LINE LIMITATIONS: • All pipe and fittings leading from the supply branch tee to a system nozzle. CYLINDER TOTAL LINEAR MAX. QTY. MAX. QTY. MAX. QTY. • FLOW POINTS PIPE SIZE FEET OF PIPE TEES ELBOWS BUSHINGS • 275 -8 3/8 32 5 10 0 375 - 11 3/8 OR 1/2 I 32 8 12 11 • 475 - 14 3/8 32 10 15 0 • 600 - 18 3/8 32 11 18 15 Two-375 22 3/8 32 18 18 _ 20 MAX. PER NOZZLE BRANCH 7 3 6 4 • • See page 3-33A for General System Limitation.