Quality is non-negotiable at Varun Radiators. We use best in class raw materials from reputed suppliers like Hulamin, Nikie Siam, Hydro and Sapa to ensure consistency in our products. Our quality department conduct rigorous quality and performance checks right from the receipt of raw material to the final stage of production and packaging as per IS 7611:1993 guidelines. In addition quarterly internal audits are organized to continuously validate our processes. Training programmes and workshops are conducted at regular intervals to improve the skills and productivity of our employees. All the heat exchanger produced undergo following test to ensure quality and reliability:
Test |
Specification |
Norm |
Frequency |
| Visual examination |
|
Free from manufacturing defect |
|
| Pressure test |
Air Pressure at twice the cap pressure for one minute |
No leakage from radiator |
Every unit |
| Leakage test for filler neck |
Air pressure up to 5KPa below main valve opening pressure |
No leakage from radiator |
Every unit |
| Dimensions |
|
As per IS 7611 : 1993 |
Every Lot |
In addition we conduct the following test while designing new parts or modifying the existing parts.
Test |
Specification |
Norm |
| Vibration test |
Frequency 25 hertz
Amplitude 1.2 mm |
No leakage, crack or noticeable failure |
| Pressure impulse test |
1.5 times operating pressure for 10,000 cycles with water in tank and air for cyclic pressure impulse. Cycle time b/w 5-10 seconds |
No leakage, crack or noticeable failure |
| Heat dissipation performance |
As per IS 13687 : 1993 |
As per customer requirements |
|
