Products

Silicagel Breather
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Silicagel Breather

A silicagel breather is a device used to protect electrical equipment, such as transformers and switchgear, from moisture and other contaminants.
We are manufacturing in the range of 100 gms to maximum 15 kg type Silica gel breather in either Orange or Blue Gel contents as per Customer Requirements.

  • Top & Bottom  : Aluminium Cast with powder Coated 
  • Cylinder           : Acrylic cylinder clear view type  (For Export we will use Polycarbonate cylinder) 
  • Rod          : M 8 Threaded Rod with Zinc coated 
  • O ring  : Rubber O ring for Top & Bottom for air tightening 
  • Oil cup  : Polycarbonate oil cup
  • Silica Gel  : Orange or Blue (As per Customer Requirement) 
Size :

Sr. No

Type

Gel Capacity

Breather Size

1

DTO-0

100 GMS

100 GMS

2

DTO-1

250 GMS

250 GMS

3

DTO-2

500 GMS

500 GMS

4

DTO-3

1000 GMS

1 Kg

5

DTO-4

1500 GMS

1.5 Kg

6

DTO-4T

2000 GMS

2 Kg

7

DTO-5

3000 GMS

3 Kg

8

DTO-6

5000 GMS

5 kg

9

DTO-7

6000 GMS

6 kg

10

DTO-8

8.0 kg

8 kg

11

DTO-9

10.0 kg

10 kg

12

DTO-9A

12.0 kg

12 kg

13

DTO-10

15.0 Kg

15 KG

Silicagel Breather – What, How & Why It’s Essential for Transformers

A silicagel breather is a critical component used in power and distribution transformers to prevent moisture contamination in transformer oil. The silicagel breather acts as a filter that absorbs moisture from the air before it enters the conservator tank, thereby ensuring the transformer oil remains dry and efficient.

What is a Silicagel Breather?

A silicagel breather is a cylindrical device filled with moisture-absorbing silica gel crystals. These crystals change color as they absorb moisture—commonly from blue to pink or orange to green—indicating the saturation level of the silicagel breather.

The silicagel breather is attached to the conservator tank of the transformer, and as the transformer breathes (due to oil expansion/contraction), air passes through the silicagel breather, where moisture is trapped.

 How Does a Silicagel Breather Work?

  1. The transformer breathes due to oil level fluctuations caused by temperature changes.

  2. External air, which contains moisture, is pulled into the conservator tank.

  3. The silica gel breather filters this incoming air.

  4. The silica gel inside the silicagel breather absorbs the moisture and allows only dry air to enter.

  5. This process keeps the insulating oil dry and prevents internal damage.

 Key Notes on Silicagel Breather

  • Silicagel breather is essential for transformer longevity and safety.

  • It prevents oxidation of transformer oil by eliminating moisture.

  • The color-changing silicagel provides easy maintenance tracking.

  • Available in various capacities depending on transformer size.

  • The silicagel breather must be replaced or regenerated when fully saturated.

  • Ideal for outdoor and indoor transformer setups.

  • Dhruti Sales offers high-quality, ISI-certified silica gel breather units across India.

  • Both standard and oil-sealed silica gel breathers are available.

 Types of Silicagel Breather Available:

  • Mini silicagel breather (for compact distribution transformers)

  • Standard silicagel breather (for 11kV–33kV transformers)

  • Oil Cup silicagel breather (with added dust filtration)

  • Threaded and flanged silicagel breather variants

If you're looking for a durable, cost-effective, and maintenance-friendly silicagel breather, Dhruti Sales is your trusted supplier across India. Ensure long-term performance and protection for your transformers with our range of silicagel breather