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ChTZ radiators are made from oval-shaped tubes of high-quality steel. Each element consists of nine oval tubes with a thickness of 1 mm, automatically welded to two pressed steel covers, 1.5 mm thick. The radiator can consist of various numbers of elements (from 4 to 34) with heights ranging from 800 to 3500 mm.
Excellent oil circulation without any risk of laminar flow and high thermal efficiency, also due to the ratio of the surfaces in contact with the oil and air, allow ChTZ radiators to dissipate heat by approximately 30% or more compared to radiators made from stamped plates.
Standard radiator model
Radiator model with reduced sections
Dissipation (W/m2)
Radiator Height, мм
| Distance Between Flanges, mm | Weight, kg | Area, m² | Welds, mm |
|---|---|---|---|
| 800 | 4,14 | 0,76 | 2164 |
| 1700 | 8,08 | 1,56 | |
| 3000 | 13,78 | 2,72 | |
| 3500 | 15,98 | 3,17 |
| Distance Between Flanges, mm | Weight, kg | Area, m² | Welds, mm |
|---|---|---|---|
| 800 | 7,2 | 0,92 | 2340 |
| 1700 | 15,83 | 2,02 | 4141 |
| 3000 | 28,3 | 3,61 | 6740 |
| 3500 | 33,1 | 4,23 | 7741 |
Radiators manufactured by JSC “CTP” are produced in sectional designs ranging from 4 to 34 sections, with heights from 800 mm to 3,500 mm. Each section consists of oval-shaped tubes that ensure optimal oil circulation while eliminating the risk of laminar flow.
High thermal efficiency is achieved through an increased “oil–air” heat exchange surface area. Owing to this design, CTP radiators are 25–30% more efficient compared to plate-type radiators.
Production is carried out on a modern automated line with three-stage tightness control. The radiators are equipped with all necessary units and accessories for the installation of fans, sensors, and other equipment. Prior to painting, the products undergo specialized internal and external surface treatment. To ensure a uniform paint coating of the required thickness, immersion or flooding methods are applied in accordance with ISO 12944-5.
Internal cleaning is performed using clean transformer oil, while the smooth shape of the tubes ensures complete removal of contaminants. This represents the second key advantage of CTP radiators compared to plate-type radiators and fully complies with the requirements of ISO 4406.
Radiator installation is carried out on individual pallets using specialized fixtures that prevent mechanical damage as well as the ingress of moisture and contaminants into the product.
The oil used in the process is filtered through a moisture removal system connected to the equipment for reuse in subsequent cycles, avoiding disposal.
This washing process removes metal residues left inside the radiator tubes.
JSC "Chirchik Transformer Plant" radiators with an oval tubular design have a significant advantage over plate radiators even in terms of internal cleaning. The oval tube is much smoother and therefore easier to clean than two welded steel sheets with numerous corners where contaminants can accumulate.
The company paints surfaces according to EN ISO 12944-5 standards, adhering to the specified coating thickness based on the chosen operating cycle, which can be water-based or solvent-based. Depending on the acrylic, epoxy, or polyurethane materials used, each environmental class defines the minimum and nominal thickness required for the specific class. The company guarantees environmental classes from C3 to C5, M-H-VH, and CX for land applications. The operating cycles of JSC "ChTZ" are approved for environmental classes.
NDFT = nominal dry film thickness
JSC “ChTZ” applies modern packaging and transportation technologies for radiators, ensuring reliable product protection at all stages of logistics. For each shipment, individually manufactured pallets matching the radiator dimensions are used, along with treated wood that complies with the requirements of the destination countries.
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