The CRCA Steel Sheets are purchased from reputed manufacturing company as per
IS 513 and other international standards as required by the customer. Quality of CRCA
is matched by test certificate given by CRCA manufacturing company, to maintain the quality of products.

The welding of the panels on the tank body is done by MIG machine (Esab make). CO2 gas used, in welding, is of BOC make, quality of gas is ensured by the test certificate given by the authorized supplier. MIG wire (OD 1.2 mm) is been purchased from reputed supplier along with the test certificate.

 


Panel to Panel welding is done by TIG machine (Esab Make). Argon gas used in welding, is of BOC make, quality of gas is ensured by the test certificate given by the authorized supplier. Welding electrode (Tungston of (OD 1.2 mm ) is been purchased from reputed supplier along with the test certificate.

For the purpose of leak-testing, air pressure is regulated through inlet and outlet valves to a level of 0.35Kg/Sq. Cm. Automatic pressure relief valves is used to maintain the pressure inside the tank.

Sand blasting of specification SA 21/2 (ISO 8501-1 1988) is done.
After sand blasting a primer (50 micron) of appropriate make, is applied within 4 Hrs after sand blasting.

In Transformer tank, the Paint used is of reputed manufacturing company. Applicator are being trained by authorised supplier of paint to maintain the quality of painting. NDT (Non Destructive Test) is done to maintain the quality of Tanks.

Inside of tank is being varnished, as required by customer to avoid any rusting.
The packing of Tank & Panels is done by wooden boxes, to avoid any damage during transit.