Custom Cartridge
heaters, Heaters, cartridge, cartuchos,
watlow, chromalox, resistencias, Resistencias Cartuchos.
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Maximum Allowable Watt Density for
Heating Metals
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Block Temperature in ° F
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1200
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1000
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800
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600
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400
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200
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Clearance
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0.002
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140
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270
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300
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300
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300
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300
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0.003
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120
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205
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295
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300
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300
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300
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0.004
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100
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175
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240
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300
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300
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300
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0.005
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90
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145
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200
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285
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300
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300
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0.007
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70
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100
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150
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300
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250
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300
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0.010
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60
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90
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110
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150
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200
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225
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0.015
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50
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75
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95
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110
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140
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165
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0.030
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40
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60
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80
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90
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100
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110
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0.060
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30
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40
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50
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55
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65
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65
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0.100
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25
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35
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45
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50
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50
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50
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Maximum Cartridge Watt Density
in Still Air
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| Air Temperature ° F |
100
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250
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500
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750
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1000
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1100
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1200
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1300
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1400
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Max Watts in2
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53
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52
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50
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46
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40
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35
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28
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20
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13
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Maximum Cartridge Watt Density in Moving Air
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Air Velocity, Feet per Minute
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Air Direction
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0
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500
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1000
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1500
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2000
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2500
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3000
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3500
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4000
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Parallel to Heater
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44
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52
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56
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60
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64
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67
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72
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75
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78
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Perpendicular to Heater
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44
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68
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76
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82
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86
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93
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97
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103
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108
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Cartridge
Temperature in 70°F Air
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Watt Density
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5
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10
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15
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20
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25
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30
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35
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40
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Oxidized Sheath
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450
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800
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1050
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1100
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1200
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1300
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1350
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1400
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Non-Oxidized Sheath
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750
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1000
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1150
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1300
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1400
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1500
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1600
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1650
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Cartridge are UL recognized, File
#E202904
and CSA certified, CSA file no. LR 109455-1
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- FC Service Inc.
- P.O.Box 27740
- Las Vegas, NV
89126
- Tel:
702-837-7404
- Fax:
702-507-0053
- Toll Free:
877-292-7509
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