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Inner Diameter 15MM Press In Brass Coil Heaters With Thermocouple J
1. Product introduction
Press in brass coil heater offer good and even heat
transfer and high durability. They are frequently used on hot
runner systems and nozzles for plastic injection moulding
The coil heater is designed to be set in the brass sheating, can eliminate known problems associated with the casting process.
The machined path in the brass for the heater enables exact
repeatability of heat profile. By never exposing the coil heater to
molten brass there are no risks of shifted heater coils, or
destruction of the thermocouple junction.
Flexible design options include internal, external “wound in” or
external slotted type J or type K thermocouples.
2. Characteristics
1) Has quick heat dissipation, high insulation, greatly extend the service life of heater
2) Can be built with a Micro, Mini, Flat, Low profile, or Round Nexthermal Coil Heater.
3) Safety in use
4) Faster responding heater due to eliminated air pockets than cast in brass
5) Profile and heater orientation precisely repeatable
6) Thermocouple not exposed to molten brass temperatures – Improved durability
7) Potential for designing thin walled brass heaters to minimize OD impact
8) Faster responding heater due to eliminated air pockets than cast in brass
3. Parameter
| Spring coil heater (H series) | 3.0x3.0 3.3x3.3 4.0x2.0 4.2x2.2 4.5x2.7 | Φ3.0 | Φ4.0 | Φ5.0 | 3.5x3.5 4.0x4.0 | 5.0x5.0 |
| Voltage | 220V,230V,240V | |||||
| Power tolerance 115W-200W | +/-10% | |||||
| Power tolerance 201W-2000W | +5%-10% | |||||
| Out jacket length | 30mm~280mm | |||||
| Diameter of the inner sleeve/wrapped diameter | 10mm~42mm | |||||
| Unheating length | 45mm | |||||
| Max power density | 9W/cm² | |||||
| Heating Length tolerance | +/-0.05mm | |||||
| Unheating length tolerance | +/-2.5% | |||||
| Tolerance ID d ≤20mm | Without inner sleeve:-0.15mm With inner sleeve:0.05mm~0.10mm | |||||
| Tolerance ID d 20mm~30mm | Without inner sleeve:-0.20mm With inner sleeve:0.05mm~0.10mm | |||||
| Tolerance ID d ≥30mm | Without inner sleeve:-0.25mm With inner sleeve:0.05mm~0.10mm | |||||
| Tolerance cross section | +/-0.15mm | +/-0.20mm | ||||
| Thermocouple | K,J,E | None | ||||
| Material | 304,321,316 | |||||
| Maximum working temperature | 650℃ | |||||
| Die electrical strength | 800V | 1000V | ||||
1). Injection moulding machine nozzle
2). Hot Runner Nozzles & Bushings
3). Packaging machineries
4). Hot runner Injection moulds.
5). Injection & Blow Moulding Machine Nozzles.
6). PET prefrom & Thin wall container Moulds
7). Hot runner Manifolds.
