Ø Advantages :
1. Highly non corrosive
2. Maximum heat transfer due to more contact area
3. Even Temperature Profile
4. Precision fit on Hot Runner Nozzles
5. Higher watt Density
6. SS casing acts a heat insulator
TECHNICAL DATA :
1. Sheath Material : SS Nickel Crome Tube
2. Insulation Material : High Temp. MgO
3. Heating Elements : NiCr 80:20
4. Thermo Couple : J type and K type
5. Connection Wire : Ptfe coated Nickel wire
6. Voltage Range : 24 V - 250 V
7. Power Rating : Depending upon requirement
8. Power Tolerance : +/- 10%
9. H.V. Testing : 800 V (Bent Heater), 500 V between heating element & Thermocouple
10. Insulation Resistance (cold) : 5 M ohms
11. Current Leakage : 1 mA
12. Sheath Temperature : 750 C. Max
13. Unheated Length : 30 - 150 mm on connection side
Technical Details Required while placing the order :
1. Inner Diameter
2. Outer Diameter
3. Wattage
4. Voltage
5. Length
6. Cable Length
7. Built-in Thermocouple or without Thermocouple
Inner diameter of cast heaters are ground finished and can be provided with a Tolerance of 0.02 mm
As these heaters have very specific application they are made as per customers requirements.
Dimensional Tolerance of Coil Heater :
I.D. : 0.1mm to 0.2mm; Length : 1mm;
Cold Section : 5mm; Watts : 10%.
Standard Sizes for Coil Heaters :
Round : Ø 3mm, Ø 4mm, Ø 4.5mm, Ø 5mm
Square : 3 x 3mm, 3.2 x 3.2mm, 3.3 x 3.3mm, 3.5 X 3.5mm, 4.5 X 4.5mm
Flat : 2.2 x 4.3mm, 2.5 x 4.3mm, 2.5 x 4.5mm, 3.5 x 4.5mm,
3.5 x 5mm, 3.5 x 5.5mm, 4.5 X 5mm.
