THERNICON Quality Control
Our Quality Processes
THERNICON manufactures all steam boilers, hot water boilers, and
industrial heating systems in full compliance with international
standards. Strict quality control procedures are applied at every stage.
• All steel plates (EN: P265GH, P295GH, P355GH – ASME: ASTM A516 Gr.60,
Gr.70) and seamless pipes (ASTM A106 Gr.B) are certified according to EN
10204 / 3.1 – 3.2.
• Chemical analysis and mechanical strength tests are carried out on the materials.
• Plates and pipes are sourced only from internationally accredited suppliers.
• Chemical analysis and mechanical strength tests are carried out on the materials.
• Plates and pipes are sourced only from internationally accredited suppliers.
• Welding operations are carried out by welders certified under EN ISO
9606-1.
• All welds are inspected through visual testing (VT).
• Radiographic (RT) and ultrasonic (UT) testing is performed for critical areas.
• Welding procedures are documented with WPS / PQR records.
• All welds are inspected through visual testing (VT).
• Radiographic (RT) and ultrasonic (UT) testing is performed for critical areas.
• Welding procedures are documented with WPS / PQR records.
• Boilers are subjected to hydrostatic tests at 1.5 times the operating
pressure.
• Pneumatic tests are conducted to verify leak tightness.
• All tests are carried out under the supervision of independent inspectors for CE and/or ASME certification.
• Pneumatic tests are conducted to verify leak tightness.
• All tests are carried out under the supervision of independent inspectors for CE and/or ASME certification.
• Internal and external surfaces are protected with special
anti-corrosion coatings.
• Paint thickness is measured, reported, and added to the quality file.
• Paint thickness is measured, reported, and added to the quality file.
• All dimensions such as diameter, length, and thickness are inspected
according to project specifications.
• Flange holes, nozzles, and fittings are carefully checked for assembly compatibility.
• Flange holes, nozzles, and fittings are carefully checked for assembly compatibility.
• Safety valves, pressure gauges, and automatic control equipment are
tested.
• Burner capacity and fan compatibility are verified to ensure performance guarantee.
• Burner capacity and fan compatibility are verified to ensure performance guarantee.
• A detailed quality file is prepared for each product.
• Products are secured with CE, EN, and ASME conformity marks.
• All tests and inspections are documented with quality certificates delivered to the customer.
• Products are secured with CE, EN, and ASME conformity marks.
• All tests and inspections are documented with quality certificates delivered to the customer.
Producing safe, long-lasting, and highly efficient boilers by adhering
to international quality standards throughout all processes, from
material selection to final testing.
