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PRESSURE In figuring total length of pipe, make allowance for tees and elbows. HOUR (25 ft.) 7,62 m (50 ft.) 15,24 m (75 ft.) 22,86 m (100 ft.) 30,48 m (125 ft.) 38,1 m (150 ft.) 45,72 m 60,000 15000 3/4 3/4 3/4 3/4 3/4 3/4 80,000 20000 3/4 3/4 3/4 1 1 1 100,000 25200 3/4 3/4 1 1 1 1 120,000 30200 3/4 1 1 1 1 1 140,000 35200 3/4 1 1 1 1 1 1/4 160,000 40300 3/4 1 1 1 1/4 1 1/4 1 1/4 180,000 45300 1 1 1 1 1/4 1 1/4 1 1/4 200,000 50400 1 1 1 1/4 1 1/4 1 1/4 1 1/2 300,000 75600 1 1 1/4 1 1/4 1 1/2 1 1/2 1 1/2 400,000 100800 1 1/4 1 1/4 1 1/2 1 1/2 1 1/2 2 500,000 126000 1 1/4 1 1/2 1 1/2 2 2 2 600,000 151200 1 1/2 1 1/2 2 2 2 2 700,000 176400 1 1/2 2 2 2 2 2 1/2 800,000 202000 1 1/2 2 2 2 2 1/2 2 1/2 900,000 230000 2 2 2 2 1/2 2 1/2 2 1/2 1,000,000 250000 2 2 2 2 1/2 2 1/2 2 1/2 1,100,000 270000 2 2 2 1/2 2 1/2 2 1/2 2 1/2 1,200,000 300000 2 2 2 1/2 2 1/2 2 1/2 2 1/2 1,300,000 330000 2 2 1/2 2 1/2 2 1/2 2 1/2 3 1,400,000 350000 2 2 1/2 2 1/2 2 1/2 3 3 1,500,000 380000 2 2 1/2 2 1/2 2 1/2 3 3 1,600,000 400000 2 2 1/2 2 1/2 3 3 3 1,700,000 430000 2 2 1/2 2 1/2 3 3 3 1,800,000 450000 2 1/2 2 1/2 3 3 3 3 1,900,000 480000 2 1/2 2 1/2 3 3 3 3 2,000,000 504000 2 1/2 2 1/2 3 3 3 3 1/2 2,200,000 550000 2 1/2 3 3 3 3 1/2 3 1/2 2,400,000 605000 2 1/2 3 3 3 3 1/2 3 1/2 2,600,000 650000 2 1/2 3 3 3 1/2 3 1/2 3 1/2 2,800,000 705000 2 1/2 3 3 3 1/2 3 1/2 3 1/2 3,000,000 750000 2 1/2 3 3 1/2 3 1/2 3 1/2 4 3,200,000 806000 3 3 3 1/2 3 1/2 3 1/2 4 3,400,000 850000 3 3 1/2 3 1/2 3 1/2 4 4 3,600,000 907000 3 3 1/2 3 1/2 3 1/2 4 4 3,800,000 960000 3 3 1/2 3 1/2 4 4 4 4,000,000 1000000 3 3 1/2 3 1/2 4 4 4 Page 20 Steam Piping Installation Instructions STEAM PIPING INSTALLATION INSTRUCTIONS 1. Set and anchor dryer in position. Machine should be level to assure proper steam circulation. 2. To prevent condensate draining from headers to dryer, piping should have a minimum 12” above respective header. Do not make steam connection to header with a horizontal or downwardly facing tee or elbow. 3. Whenever possible, horizontal runs of steam lines must drain, by gravity, to respective steam header. Water pockets, or an imporperly drained steam header will provide wet steam, causing improper operation of dryer. If pockets or improper drainage cannot be eliminated, install a by-pass trap to drain condensate from the low point in the steam supply header to the return. 4. In both steam supply and steam retyrn line, it is recommended that each have a 1” union and 1” globe valve. This will enable you to disconnect the steam connections and service the dryer while your plant is in operation. 5. Before connecting trap and check valve to dryer, open globe valve in steam supply line and allow steam to flow through dryer to flush out any dirt and scale from dryer. This will assure proper operation of trap when connected. 6. After flushing system, install bucket trap (with built-in strainer) and check valve. For successful operation of dryer, install trap 18” below coil and as near to the dryer as possible. Inspect trap carefully for inlet and outlet markings and install according to trap manufacturer's instructions. If steam is gravity returned to boiler, omit trap but install check valve in return line near dryer. 7. Install union and globe valve in return line and make final pipe connections to return header. Page 21 Steam Piping Installation (Illustration) Page 22 Dryer Installation With Multiple Exhaust For Exhaust Duct less than 14 feet and 2 elbows equivalent and less than 0.3 inches static pressure. No. of Dryers Duct Diameter (in inches) (in CM) No. of Dryers Duct Diameter (in inches) (in CM) DRYER EXHAUSTS Area of section “A-A” must be equal to the sum of dryer exhaust pipes enteringmultiple exhaust pipe. (See chart below.) MODELS: L28FD30, L28US30, L36FD30, L36UR30, L36CD36, L44FD42 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 6 9 11 12 14 15 16 17 18 19 20 21 22 23 23 24 25 26 26 27 28 28 29 30 15 23 27 30 35 38 41 43 46 48 51 53 56 58 58 61 63 66 66 68 71 71 73 76 MODELS: L28CD30, L28UR30, L36CD30, L36UR30, L36CD36, L44FD42 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 8 12 14 16 18 20 22 23 24 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 20 30 35 41 46 51 56 58 61 66 68 71 73 76 78 81 84 86 89 91 94 97 99 100 MODELS: L44CD42, L50CD42 12345678910111212172124273032343638404230435361687681869197100106_ _ _ __ _ _ __ _ _ __ _ _ __ _ _ __ _ _ _ AUTOMATIC ELECTRICAL CONTROL FOR EXHAUST FAN For one or more dryers to start fan. Exhaust Booster Fan Power Supplyto Fan Relay Coils Start and StopSwitches on Dryers No. of Dryers Duct Diameter (in inches) (in CM) Page 23 Dryer Installation with Multiple Exhaust DRYER INSTALLATION WITH MULTIPLE EXHAUST For Exhaust Duct more than 14 feet and 2 elbows equivalent and more than 0.3 inches static pressure. (See illustration on next page.) 1. Make-up air from outside building may enter enclosure from top or side walls. Area of opening should be equal to 4 to 6 times the sum ...

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