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QUALITY CONTROL :
- Primex Engineers believe in quality control right from the selection of
Row Materials, manufacturing process and final inspection,
- A Quality Assurance Plan is made for every job separately and follow
strictly with documentation,
- Materials are tested from Govt, authorised testing laboratories to confirm
the specification before use.
- Tubes are tested for flaring, flattering etc. In case of bulk supply Eddy
Current Test Certificate is obtained from manufacturer.
- Tube Sheets are properly drilled, grooved for proper sealing keeping in
mind of orientation and passes,
- Tubes are expanded as per standard and sometimes welded with seat as
per requirements of customers,
- Welding joints are radiographed as per standard,
- Heat Exchangers are them Hydraulically tested from tube side as well as
shell side as per specification,
- Before dispatch, tube and shell sides are flashed with compressed
Air/Nitrogen, blind all nozzles to prevent rust formation and entry of any
dust/foreign materials respectively,
- Two coats of Primer(Red Oxide) is applied if not specified,
- If drawing is not available, we have facility to develop drawing,
- In case of New Heat Exchangers, we have the facility to design the same
with software.
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