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Vast Reputation

STC Radiators, established in 1993 and was formed to provide Pressed type steel Radiators for electric distribution Transformers.

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Happy Customers

Since many years we share a strong business relation with more than 200 customers across transformer manufacturing industry.

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Radiators Sold

We have sucessfully sold more than 150000 radiators so far and still counting on...

Sri Thirumala Coolers – Expertise in Radiator Manufacturing Exclusively for Transformers

We are specialize exclusively in heat exchange and cooling system products for oil cooled transformer industry

The cooling sections are made from 1mm to 1.25 mm thick CRCA steel strips, in widths of 226 mm, 300 mm, 380mm and 520 mm. Each radiator is made-up of a number of sections spaced at 50 mm centres, the number to be determined by the transformer manufacturer depending upon the heat to be dissipated and the maximum allowable oil excess temperature. The radiators are generally made with number of sections varying form 3 to 30. Radiators with higher number of sections can also be manufactured against specific requirements.

STC has excellent facilities extending over a built up area of 10,000 sqft for exclusive fabrication of Transformer Radiators .The unique designs lead to optimum heat dissipation and corrosion protection in harsh, tropical, coastal and other adverse environments. Besides standard products, we also design and manufacture customized pressed steel radiators, tanks & panels to meet client's special requirements.

Customer Centric

Very Flexible

Responsible

About Us

We are continuously engaged in the process of improvisation and upgradation of our products. Our quality radiators are a result of thorough research and customer's feedback and suggestions. Being a customer oriented and quality conscious firm, we devote complete attention to the attributes of our impeccable radiators. Each and every radiators manufactured are subject to all tests as specified in IEEMA Standards


More About us...

Repeated Customers

STC has earned a undisputed repuatation for providing innovative product range. Most of our business comes from repeated customers, who speakes volume form our proffesionalisim and efficiency

New Technology

In the world of changing technology and foreseeing the need of automation, STC is constantly adopting new technology machines like automatic profile cut to length machines, multiple spots, automatic welding machines and many more related technology which helps to scale us up to high volume with quality

Quality Assurance

Right from selecting Raw Material to workmanship to final testing. Supervision and testing is carried out at numerous intermediatory stages to exercise proper quality control.

Expertise

We visualize ourselves as global leader in the field of Radiators, development of broad range of radiators, and highest standards of quality. To that end we are supported by latest technological innovations, superior infrastructure and highly skilled manpower.

Our Products

Right here we've got something of your interest

Transformer Cooling Solutions

A transformer is a static machine used for transforming power from one circuit to another without changing frequency.

Radiators are used in a transformer to cool the transformer oil through natural air or forced air flowing in these radiator fins. As the transformer oil temperature goes down due to cooling it goes to the transformer tank from bottom ,cool the windings and gets heated, and then returns to the radiator for next cooling .This cycle repeats as the oil flow is also natural due difference in temperature of oil on bottom and top.In big power transformers this oil circulation is forced by oil pumps for effective cooling.

# Specification Details
1 Width (mm) 226 mm 303mm 380mm 520mm
2 Flutes 3-226, 4-303, 5-380, 7-520
3 C to C Distance 50mm (standard) or to specification
4 No of fins 3 to N ( according to req)
5 Fin Length 1500 mm to 3000mm
6 Manufacturing Standard IEEMA 1999: 9 Standard
7 Header pipe - Dia 90/75mm ( 1.5 to 2 mm Thick)
8 Bracing Straps (As per your requirement) – MS Flat
9 Standard test 2.kg/cm2 for 15 -30 minutes
10 Inside Surface Treated with air dry varnish
11 Outside Surface Zinc Chrome red oxide (std)/ According to your specification (LT Grey, DA Grey, Polyurethane, etc)
12 Type Weldable/Flange/Swan type /Offset radiators
13 Flange 12mm / 6 mm Machined Flange
14 Accessories Lifting Hook, Air Release plug, Drain plug Nylon/Nitrile Rubber Washer
15 Surface Treatment Sand Blast
16 Packing According to your requirement

Our Designs

Wide Range of Products

We Cater your requirement...

STC is capable of manufacturing standars and custom requirement radiators which include Weldable, Flange Type, Off-Set, T - Design, Swan Neck and any other specific design

Our Designs Include...

Weldable

This is the most common cooler, composed of 2 straight collector tubes and the series of panels.

Swan Neck

Composed of 1 straight lower tube and 1 upper tube swan-neck and the series of lowered panels and largest panels.

Flange Type

This is also the most common cooler, composed of 2 straight collector tubes with MS Flange at the end and the series of panels.

Off set

These are radiators where the collector tubes are mounted with an offset on the right or on the left of the panels.

Got a Question? We’re Here to Help!

Get in touch with us

We Care About Our Clients!

  • Sri Thirumala Coolers
  • UNIT I : #366/1 10th Cross Hulimavu Bannerghatta Road Bangalore 560076 Karnataka , INDIA
  • +91 9845176555
  • info@stcradiators.com

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