For large-diameter GRE pipe heating projects, the heater configuration is normally developed around the actual pipe rather than selected from a fixed-size heating pad. This silicone heating blanket is one custom configuration developed for a 30–32 inch GRE pipe. The heater measures approximately 450 × 2750 mm and is designed for a 220V, 5197W electrical supply at 50/60Hz.
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The most noticeable feature of this heater is its size.
At approximately 450 × 2750 mm, the heating blanket is considerably larger than the silicone heating pads commonly used for small equipment.
The larger format allows the heater to be positioned around a substantial section of the GRE pipe.
Instead of producing a small number of individual heating pads, the heating area can be manufactured as one larger flexible section when the pipe dimensions and installation arrangement allow it.
The actual dimensions are determined during the design stage according to the required heating section.
This particular heater is designed around a pipe diameter of approximately 30–32 inches.
The pipe diameter is an important reference when determining the final heater dimensions, but it is not the only dimension considered during production.
The heating blanket also needs to correspond to the required:
This means that two heating blankets intended for the same nominal pipe diameter may still have different dimensions or electrical configurations.
The heater shown in the photos is marked with the following electrical information:
| Parameter | Actual Configuration |
|---|---|
| Voltage | 220V |
| Frequency | 50/60Hz |
| Power | 5197W |
| Heater Size | 450 × 2750 mm |
| Pipe Size | 30–32 inch |
The 5197W rating belongs to this specific heater configuration.
It should not be treated as a standard power rating for all GRE pipe heaters.
When developing another heater, the electrical specification can be different depending on the customer's project requirements.
For this reason, the available power supply and required electrical parameters should be confirmed before production.
The heating section is manufactured using flexible silicone rubber construction.
This allows the heating blanket to be handled and positioned around the curved pipe surface during installation.
The heater is not manufactured as a rigid cylindrical shell. Instead, it remains flexible before installation and can be arranged around the required section of the pipe.
For large heating areas, this construction also makes it possible to manufacture a relatively wide heating surface without using a rigid metal heating assembly.
The outer surface visible in the photos has a woven reinforcement structure.
This type of construction is used in the silicone heating blanket to provide mechanical reinforcement while maintaining the flexibility required for installation.
The heating element is incorporated into the flexible heater structure rather than being exposed directly on the outside surface.
The final material construction can be determined according to the required operating conditions and customer's technical requirements.
The electrical connection is positioned at the edge of the heating blanket rather than in the central heating area.
This arrangement keeps the main cable connection outside the area wrapped around the pipe.
The actual product shown in the photos uses an external cable and industrial connector.
The connector arrangement is not necessarily fixed for every project.
For OEM production, customers can provide their required connector type, cable length or connection drawing so that the electrical configuration can be reviewed before manufacturing.
The heater is supplied as a flexible heating blanket.
During installation, the blanket is positioned around the required section of the pipe.
The actual overlap, fixing position and cable routing depend on the customer's pipe structure and installation method.
This is why the heater dimensions should be confirmed against the actual pipe before production.
A drawing is preferred for complicated installations, while photographs with dimensions can also provide useful information during the initial design stage.
For this type of custom heating blanket, several details should be confirmed before the production drawing is finalized.
The basic information includes:
| Information | Required Details |
|---|---|
| Pipe Diameter | Actual outside diameter |
| Heating Section | Required length and position |
| Heater Dimensions | Length × width |
| Voltage | Required voltage |
| Power | Required or specified power |
| Frequency | 50Hz / 60Hz |
| Cable Length | Required length |
| Connector | Type or drawing |
| Quantity | Required quantity |
| Pipe Drawing | Recommended |
| Installation Photos | Recommended |
This information gives the engineering team a clear reference for developing the heating blanket configuration.
For quick reference, the photographed product can be identified by the following configuration:
Product: Silicone Rubber Heating Blanket
Pipe: 30–32 inch GRE Pipe
Size: 450 × 2750 mm
Voltage: 220V
Frequency: 50/60Hz
Power: 5197W
Construction: Flexible Silicone Rubber Heating Blanket
Connection: External Cable and Industrial Connector
Production: Custom OEM
This 450 × 2750 mm silicone heating blanket demonstrates how a flexible heater can be configured around the dimensions of a large GRE pipe.
The 30–32 inch pipe size, 220V supply and 5197W power rating define this particular configuration, while dimensions, cable arrangement and electrical connections can be adjusted for other OEM projects.
For a new project, customers can provide the pipe dimensions, required heating section, voltage, power and connection requirements, together with a drawing or photographs of the installation area.
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