Features
1.HI-POT TEST: 1500V/S min cold condition.
2.Insulation resistance:20M Ω min
3.Leakage current to be 0.75ma max
While energized at rated voltage
4.Power tolerance:+5%,-10%
5.Voltage:12V-440V
6.Diameter range:1mm to 40mm
7.Heating resistance wire:0Cr25Al5,Cr20Ni80 or as custom's requirement
Air tubular heater wattage : ≥ 2w-4w/cm2
Water tubular heater wattage: ≥ 6w-10w/cm2
Dies and fin tubular heater: ≥ 8W-12w/cm2
|
Heat intensity |
Not exceeding 30Wcm2 (advisable) |
|
Power |
Depends on the dimension |
|
Escape of current (when cold) |
<=0.1mA a 242 v. |
|
Insulation (when cold) |
5 Min Ohmios 500 Watts minimum |
|
Dielectric strength |
1500v. 1/seg |
|
Working temperature |
750ºG max. |
|
Tolerance of length |
+/-1.5% |
|
Tolerance of diameter |
-0.01 a -0.06 m/m |
|
Tolerance of cut of connexion |
+/-15 mlm |
|
Power tolerance (w) |
5 % - 10 % |
|
Cold areas |
Depends on length and diameter 5-25mm |
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