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Moisture Breather
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A moisture breather is an essential component for protecting oil-filled power transformers from atmospheric moisture. Installed at the top of the conservator tank, this device ensures that only dry air enters the transformer during the breathing process, thereby preventing moisture contamination that can degrade transformer oil and insulation.
The moisture breather is filled with indicating silica gel, which absorbs water vapor from incoming air. When saturated, the silica gel changes color, signaling the need for replacement or regeneration. This simple but highly effective system prolongs transformer life, maintains dielectric strength, and reduces maintenance costs.
Designed for high reliability and performance, the transformer breather is available in various sizes and configurations to suit different transformer ratings and environmental conditions.
features:
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Prevents moisture ingress into transformer oil
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Filled with color-changing indicating silica gel
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Transparent housing for easy gel level and color inspection
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Corrosion-resistant construction for outdoor use
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Available in threaded or flanged connection types
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Suitable for indoor and outdoor power distribution systems
Applications:
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Power transformers
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Distribution transformers
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On-load tap changers
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Conservator-type transformers
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Renewable energy systems
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Industrial substations and utility networks
Technical specifications:
| Parameter | Specification |
|---|---|
| Application | Oil-filled transformers and conservator systems |
| Silica gel type | Indicating (color changes from blue/orange to pink/white upon saturation) |
| Body material | UV-resistant polycarbonate / Aluminum / Borosilicate glass |
| Mounting type | Threaded (BSP/NPT) or Flanged connection |
| Operating temperature range | -25°C to +70°C (-13°F to +158°F) |
| Air flow capacity | 0.25 to 5.0 cubic meters per hour (model-dependent) |
| Fill volume | 0.5 to 5.0 kg silica gel (varies by size) |
| Visual indicator | Transparent chamber with desiccant color change |
| Maintenance | Replace or regenerate silica gel when color changes |
| Ingress protection | IP55 / IP65 (depending on model) |
| Optional accessories | Drain plugs, filling funnels, mounting brackets |
| Standards compliance | IEC 60296, IS 8468, ANSI C57 guidelines |
| Parameter | Specification |
|---|---|
| Application | Oil-filled transformers and conservator systems |
| Silica gel type | Indicating (color changes from blue/orange to pink/white upon saturation) |
| Body material | UV-resistant polycarbonate / Aluminum / Borosilicate glass |
| Mounting type | Threaded (BSP/NPT) or Flanged connection |
| Operating temperature range | -25°C to +70°C (-13°F to +158°F) |
| Air flow capacity | 0.25 to 5.0 cubic meters per hour (model-dependent) |
| Fill volume | 0.5 to 5.0 kg silica gel (varies by size) |
| Visual indicator | Transparent chamber with desiccant color change |
| Maintenance | Replace or regenerate silica gel when color changes |
| Ingress protection | IP55 / IP65 (depending on model) |
| Optional accessories | Drain plugs, filling funnels, mounting brackets |
| Standards compliance | IEC 60296, IS 8468, ANSI C57 guidelines |
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