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DARSHAL ENGINEERING WORKS is manufacturing Transformer Radiators since 2003 catering the need of transformer industries as on OEM. Radiators manufactured  by us are used for Power & Distribution Transformers.

DEW is located in Por-GIDC area near Vadodara on national highway No.8. Our unit is spread in 5200 Sq.Mts area and is well connected by approach road from both the side.[The industrial area is surrounded with various medium & large size


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Basic Information
Nature of Business
Additional Business
Company CEO
Sanjay patel
Registered Address
No. 11, G. I. D. C, Village POR., Ramangamdi,, Vadodara - 391243, Gujarat, India
Total Number of Employees
11 to 25 People
Year of Establishment
Legal Status of Firm
Individual - Proprietor
Annual Turnover
Rs. 10 - 25 Crore
Location Type
Building Infrastructure
Size of Premises
4940 square metres
Space Around
Front porch
Team and Staff
No. of Skilled Staff
6 - 25 People
Company USP
Quality Measures / Testing Facilities
Statutory Profile
Tan No.
Packaging/Payment and Shipment Details
Customized Packaging

Width, Size And Configuration

Width, Size And Configuration
1. Radiator element having width of 520/ 380/ 300/ 240 mm using CRCA steel of ''D'' gread having 1.0/ 1.2mm thickness as per customer''s requirement.

2. Centre distance between top and bottom header pipe (C.C.) shall be minimum 300mm and maximum 3000mm is steps of 100mm.

3. Radiator elements are welded in position with bracing straps of either round bright bars of 8 to 10mm dia or M.S. flats of 25*6mm size.

4. Pitch range is 75mm and 50mm in general. We can provide 40mm pitch on the specific requirement of the customer.

5. Radiators manufactured by us can be provided with minimum 35 elements.

6. The header pipe thickness shall be 2 mm minimum and having outside diameter of 50/60/76/90mm as may be the requirement.

Raw Materials

Raw Materials
C.R.C.A. coils, H.R./C.R. tubes, M.S. flats, bright rods, & sheets,high quality Paints & thinner etc. are used as main raw materials for radiators.


M.S. Square flanges, Air / Drain plug, Lifting hook with pads, anti vibration flat etc. are the main accessories.

Surface Treatment

Surface Treatment
Individual fins are passed through automatic shot blasting machine to remove oil traces & residual rust particles to avoid contamination. Blasting gives required profile for paint adhesion.


Each radiator is pressure tested to ascertain leakages in the water tank at pressure of 2.0 Kg/cm2 for a period of 30 minutes. Any leakages during testing have been attended either by welding or braising as may be the case.

Painting Procedure

Painting Procedure
All the radiators are coated with insulating varnish conforming to IS-350, class 'A' from inside and red-oxide zinc-phosphate primer confirming to IS-2074 from outside having 35 micron thickness minimum. Final paints can be provided as per IS-5 / RAL shade as per customer's requirement.

we are using jotun, hemple and akzonoble make paints

In addition to the regular painting system of anemal and two pack spray painting intermediate coat of MIO, special polyurethane painted radiators are offered on regular basis as per the requirement of the customers.

Hot zinc spray galvanizes, Hot-dip galvanized and stainless steel radiators are also painted as required.

Radiators are available with spray painting system & flood painting system. Facility of air less spray painting system is also available.

Inspection Procedure

Inspection Procedure
Individual radiator element dimension checked before assembly and final dimensional check of finish radiator carried out as per customer''s G.A. drawing.

Individual base coat & top-coat paint thickness measured in paint procedure. Peal-off test as per ASTM-335983 is performed on every radiators. In case of similar batch, we take the test on random.

Marking and Packing

Marking and Packing
End plate of each radiator shall be embossed with 'DEW' logo and punched with customer reference Sr. No of manufacturer. Radiators are suitably packed in a wooden crate and strapped with M.S. strip. All crates are marked with customer's name.

Our Team of Professionals

We have employed a team of professionals who have vast industrial experience in their respective domain. They work in close collaboration with each other to ensure smooth production of our wide range of radiators for transformers. Our professionals are well aware of their responsibilities and execute their tasks with utmost perfection and devotion. Their efforts have immensely helped us in increasing our manufacturing process and market value.

We have the following professionals working with us:

  • Engineers
  • Technicians
  • Quality controllers
  • Research analysts
  • Marketing representatives
  • Managers
  • Administrators

We also hold workshops and training sessions for our team members to make them aware of latest technologies prevalent in the industry.

Our Strengths

We are able to set new benchmarks for our competitors owing to the following reasons:

  • Quality range of radiators for transformers
  • Highly qualified and experienced staff at all operating levels
  • Use of high quality machinery
  • Competitive pricing
  • Timely delivery against orders
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Find UsSanjay Patel (CEO) Darshal Engineering Works
No. 11, G. I. D. C. P. O. R., Ramangamdi, Vadodara - 391243, Gujarat, India
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