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Plastics Machinery, LLC | |||
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(for reference only) Chiller Sizing
2.4 gpm/Ton flow rate 1 Chiller Ton = (gpm x dT)/24 12,000 btu/hr = 1 chiller ton Tower Sizing 3 gpm/Ton flow rate (based on 85 F supply, 95 F return, 78 F WB) 1 Tower Ton = (gpm x dT) / 30 15,000 btu/hr = 1 tower ton Ft. head=psi x 2.31 Chiller Sizing for Molding 30 lb/hr HDPE = 1 Ton 35 lb/hr LDPE, PP, or Acrylic = 1 Ton 50 lb/hr PS, ABS, Acetal, PC = 1 Ton 75 lb/hr PVC = 1 Ton 40 lb/hr PET, Nylon, PPO, Urethane = 1 Ton Chiller Sizing for Profile Extrusion
80 lb/hr PVC or ABS = 1 Ton 75 lb/hr PS = 1 Ton 50 lb/hr HDPE or PP = 1 Ton Chiller Sizing for Blow Molding 40 lb/hr Polyolefins = 1 Ton Extruder Cooling
Extruder Barrel Cooling = 1 ton/inch diameter Extruder Feed Throat (3.5" = 1 Ton, 4.5" to 6" = 2 Tons) Extruder Gearbox = 1 ton per 100 hp Misc Cooling Hydraulic pump = 0.1 Ton/hp Air Compressor = 0.1 Ton/hp Air Compressor w/aftercooler = 0.2 Ton/hp Machine Tools = 0.1 Ton/hp Water Pipe Sizing (Based on 10' HD loss/ 100' pipe)
6 gpm ------1/2" pipe 10 gpm ---- 3/4" pipe 15 gpm ---- 1" pipe 40 gpm ---- 1-1/2" pipe 70 gpm ---- 2" pipe 100 gpm --- 2-1/2" pipe 150 gpm --- 3" pipe 275 gpm --- 4" pipe 850 gpm --- 6" pipe 1500 gpm -- 8" pipe
Plastics Machinery, LLC 141 Cliffe Run Franklin, TN 37067 615-771-0014 |
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