Pasia Industries Ltd
PASIA INDUSTRIES LTD ————Leading MI Cable Heating
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Precision Engineered Semiconductor Wafer Mineral Insulated Cable Pedestal Heater is designed and manufactured based on the clients' complete requirement. It is suitable for custom-engineered high-uniformity pedestals for a variety of processes, including CMP, photolithography, ash/strip, deposition, ion implant, and so on.
A cast-in MI cable heater offers several advantaged properties against conventional technologies and products.
With the cast-in design, heating elements intimately contact with the metal substrate, delivering uniform heat transfer and possessing longer service life, for lowered manufacturing and maintenance costs.
The semiconductor equipment manufacturers may work with MICH for
Complete Controlled manufacturing process: traceability on records, trusted subcontractor assessment, internal and external audits, regulatory compliance etc.
Integrated project management team for key projects
Strong R&D capability for innovations
Advanced designing and manfuacturing capacity for various options and complete supply range.
Properties
1. The electric heating rod uses the mineral insulation (MI) heating cable developed by MICH as the heating element.
2. The electric heating rod has a solid structure, high flexural strength, compactness, sealing and explosion-proof, and meets the requirements for heating and heat tracing of various types of storage tanks for petroleum and its products with an explosion-proof grade dIIB T1~T6.
3. The electric heating rod heats uniformly, low surface heat load, reliable operation and long service life, no reactive power loss, high thermal efficiency, easy operation and maintenance and no daily maintenance required.
4. The electric heating rod has good corrosion resistance to crude oil and its finished products.
Specifications, models and working environment requirements
Model and specification sheet
Table 1 Model and Specification of Straight Tank Electric Heating Rod
| No. | Model | Nominal power (Kw) | Rated voltage (V) | Operating current (A) | Number of power phases | Rod Outer diameter × length (mm) | Insertion length (mm) | Mounting short section size (mm) | Total weight (kg) |
| 1 | DRB-3/220/1600 | 3 | 220 | 13.6 | 1 | Ф127×1600 | 1300 | Ф159×5 | 52 |
| 2 | DRB-5/220/2200 | 5 | 220 | 22.5 | 1 | Ф127×2200 | 1900 | Ф159×5 | 65 |
| 3 | DRB-8/220/2800 | 8 | 220 | 36.4 | 1 | Ф127×2800 | 2500 | Ф159×5 | 95 |
| 4 | DRB-9/3/660/3600 | 9 | 660 | 13.6 | 3 | Ф127×3600 | 3300 | Ф159×5 | 102 |
| 5 | DRB-12/3/660/5000 | 12 | 660 | 18.2 | 3 | Ф127×5000 | 4700 | Ф159×5 | 112 |
| 6 | DRB-15/3/660/5600 | 15 | 660 | 22.7 | 3 | Ф127×5600 | 5300 | Ф159×5 | 142 |
| 7 | DRB-24/3/660/6400 | 24 | 660 | 36.4 | 3 | Ф127×6400 | 6100 | Ф159×5 | 170 |
| 8 | DRB-3/3/380/1300 | 3 | 380 | 4.5 | 3 | Ф127×1300 | 1000 | Ф159×5 | 65 |
| 9 | DRB-5/3/380/2200 | 5 | 380 | 7.5 | 3 | Ф127×2200 | 1900 | Ф159×5 | 80 |
| 10 | DRB-9/3/380/3400 | 9 | 380 | 13.6 | 3 | Ф127×3400 | 3400 | Ф159×5 | 110 |
| 11 | DRB-12/3/380/5036 | 12 | 380 | 18.2 | 3 | Ф127×5036 | 4565 | Ф159×5 | 98 |
| 12 | DRB-15/3/380/5600 | 15 | 380 | 22.7 | 3 | Ф127×5600 | 5300 | Ф159×5 | 142 |
| 13 | DRB-24/3/380/6400 | 24 | 380 | 36.4 | 3 | Ф127×6400 | 6100 | Ф159×5 | 170 |
Table 2 Model and Specification of Right Angle Tank Electric Heating Rod
| No. | Model | Nominal power (Kw) | Rated voltage (V) | Operating current (A) | Number of power phases | Rod Outer diameter × length (mm) | Immersion length (mm) | Total weight (kg) |
| 1 | DRB-3/220/1600/L | 3 | 220 | 13.6 | 1 | Ф127×1600 | 1600 | 57 |
| 2 | DRB-5/220/2200/L | 5 | 220 | 22.5 | 1 | Ф127×2200 | 2200 | 70 |
| 3 | DRB-8/220/2800/L | 8 | 220 | 36.4 | 1 | Ф127×2800 | 2800 | 100 |
| 4 | DRB-9/3/660/3600/L | 9 | 660 | 13.6 | 3 | Ф127×3600 | 3600 | 107 |
| 5 | DRB-12/3/660/5000/L | 12 | 660 | 18.2 | 3 | Ф127×5000 | 5000 | 117 |
| 6 | DRB-15/3/660/5600 | 15 | 660 | 22.7 | 3 | Ф127×5600 | 5600 | 147 |
| 7 | DRB-2/3/380/1100/L | 2 | 380 | 3.0 | 3 | Ф127×1100 | 1100 | 60 |
| 8 | DRB-3/3/380/1300/L | 3 | 380 | 4.5 | 3 | Ф127×1300 | 1300 | 70 |
| 9 | DRB-5/3/380/1900/L | 5 | 380 | 7.5 | 3 | Ф127×1900 | 1900 | 90 |
| 10 | DRB-9/3/380/3400/L | 9 | 380 | 13.6 | 3 | Ф127×3400 | 3400 | 115 |
| 11 | DRB-12/3/380/5000/L | 12 | 380 | 18.2 | 3 | Ф127×5000 | 5000 | 109 |
| 12 | DRB-15/3/380/5600/L | 15 | 380 | 22.7 | 3 | Ф127×5600 | 5600 | 147 |
Note: The specifications above are regular ones with other specifications customizable according to user’s requirements, and the installation nipple joint is suppliable with the product.
3. Working environment requirements:
3.1 Ambient temperature: -30 ° C ~ +40 ° C
3.2 Voltage fluctuations are: -10% to +5%
3.3 Altitude: not required
3.4 Relative humidity of the environment: less than 95%
4, working principle and structure
1. working principle
The electric heating rod adopts a mineral insulated (MI) heating cable as heating element. The inner cavity of the rod can rapidly conduct heat that are fully transmitted to the rod body and released to the medium through the outer surface of the rod, and the electric energy is all converted into heat energy with a high heat transfer efficiency.
Figure 1: Schematic diagram of Straight Tank Electric Heating Rod Structure
1 Rod Casing 2 Core Tube 3 Mineral Insulated Heating Cable 4. Over-temperature Protective Sensor 5. Junction Box 6. Installation Nipple Joint
Figure 2: Schematic diagram of DRB--L (right angle) electric heating rod
1 Mineral Insulated Heating Cable 2 Outer Casing 3 Core Tube 4 Over Temperature Protection Sensor 5 Junction Box
Note: DRB--L type is a special structure of DRB type electric heating rod, which is specially designed for small oil tanks already in use. It can be installed in tank man hole without cleaning the inside or re-opening a new hole. The heating part is in the lower horizontal section while the vertical part is only the lead-out line section. The joint flange is arranged at the upper end of the vertical section, and the electrical wiring can be adjusted in a suitable direction and position.