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Inspection and Quality Control Services  for Waste Heat Recovery Units and Accessories Worldwide

Qtech Control provide highly experienced and diligent mechanical, welding, electrical, NDT and coating inspectors for third party inspection and quality control at vendor sites worldwide.    

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Our industry qualified inspectors protect our client's interests at vendor sites during the subcontract manufacturing process.  Quality control and witness testing is performed throughout the various stages of production both at the main contractors and at their subcontractor production sites. We work to independently verify that goods are manufactured on time and to the approved drawing and contractual specification.

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Services provided but not limited to:

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  • Supplier Auditing.

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  • Client Representation at Pre Inspection / Pre Production Meetings.

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  • Expediting Services.  Checking Production Status / Delivery Dates and Investigating Delays etc.

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  • Welding Workshop Health & Safety Audit.

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  • Document Review - Material / Mill Certificate Review - including Certificate No., Heat or Cast No., Chemical Composition, Mechanical Properties, NDT tests and results.

 

  • Product marking inspection including CE Marking.

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  • Raw Material Inspection - checking for defects, surface lamination cracks, sharp edges, indentations or scale before further processing.

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  • Welding Consumables Procedure - review against specification.

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  • Document Review - Welder's Performance Qualification (WPQ) against specification or applicable standard.

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  • Document Review - Inspection Test Plan (ITP), Quality Plan, Weld Procedure Specification (WPS), Procedure Qualification Record (PQR), Welder Performance Qualification (WPQ), GAD.

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  • Witnessing production and the fabrication process - visual inspection, quality control, alignment, flatness, straightness, general workmanship. Checking that burrs and sharp edges are removed after cutting / drilling. Checking that weld seams are flat / ground, well executed,  tight cut and with spatter and slag removed prior to coating.

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  • Dimensional Control.

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  • NDT Testing - Ultrasonic Testing (UT), Magnetic Particle Testing (MT), Radiographic Inspection (RT), Liquid / Dye Penetrant Inspection (LPI/DPI).

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  • Witnessing Testing - Functional Testing, Hydrostatic Pressure Testing, Leakage Test, Noise Test, Trial Assembly, Factory Acceptance Test, Electrical Testing.

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  • Document Review - Test Reports. 

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  • Coating Inspection: review of paint specification, review of approved painting procedure, inspection of surface treatment, witnessing the application of primer, verifying drying times and witnessing the application of additional coats. 

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  • Witnessing paint thickness testing (DFT). Document Review - Test Reports.  Inspection by industry qualified professional coating inspectors (NACE, ICORR).

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  • Name Plate and Tagging Inspection.

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  • Final Inspection - Tally against Packing List - Doc Pack Review.

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  •  ​Packing and Preservation Inspection.

Highly experienced and qualified mechanical, welding, electrical, NDT and coating inspectors for inspection, quality control and witness testing of waste heat recovery units,  accessories and associated equipment.

WORLDWIDE COVERAGE.

We have highly skilled and experienced inspectors providing quality control services in the UK, Europe, Asia, North and South America to leading WHRU suppliers.

​Quality Control and Witness Testing of:

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  • Heaters and Preheaters.

  • Burners.

  • Dampers.

  • Steam Generators.

  • Soot Blowers.

  • Fans and Motors.

  • Control Panels.

  • Skid Packages.

  • Refractory Tiles and Accessories.

  • Pipes, Spools, Finned Tubes, Ducting, Platforms, Ladder Systems.

  • Accessories / Spare Parts.

​Vendor Experience List:

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UNITED KINGDOM

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  • Diamond Power, Dumbarton, Scotland.

  • GCL, Tonbridge, England.

  • MH Detrick, Skelmersdale, England.

  • Robert Lindsay Refractories, England.

  • Quality Pipe Supports, Powys, Wales.

  • MVM, Poole, England.

  • Scurrah Nassau, Cumbria, England.

  • Carpenter & Paterson, Welshpool, Wales.

  • Paralloy, Billingham, England.

  • Proclad, Glenrothes, Scotland.

  • Specialised Coatings, Halifax, England.

  • Amber Integrated Controls, Romsey, England.

  • Global E&C, Aberdeen, Scotland.

  • Tube Bending Solutions, Sheffield, England.

  • Metaljacket, Bridport, England.

  • Damper Technology, Nottingham, England.

  • Ormac Coatings, Sheffield, England.

  • Wilson & Woodcock, Huddersfield, England.

  • Index Enclosures, Ashford, England.

  • CPE, Tamworth, England.

  • Goodman Metal, Nottingham, England.

  • Neil Brothers, Leicester, England.

  • Fields Engineering, Poole, England.

  • DB Engineering, Poole, England.

  • Ampress Fabrication, Lymington, England.

  • Puma Engineering, Southampton, England.

  • Westbury Controls, Leicester, England.

  • Midland Combustion, Wolverhampton, England.

  • Halifax Fan, Halifax, England.

  • South Staffs Protective Coatings, Tipton, England.

  • IMI Precision Engineering, Lichfield, England.

  • SPX, Newbury, England.

  • Fans & Blowers, Highbridge, England.

  • Jordan Manufacturing, Bristol, England.

  • Heathyards, Walsall, England.

  • Bristol Metal Spraying, Bristol, England.

  • KSB, Loughborough, England.

  • Pneumatrol, Blackburn, England.

  • Econosto, Leicester, England.

  • North West Engineering, Barrow, England.

  • Valve & Pipework Solutions, Leicester, England.

  • Arcflex, Leek, England.

  • ETL, Ferndown, England.

  • Oxford Engineering, Gosport, England.

  • ESL Fabrication, Hull, England.

  • Tema Group, Cardiff, Wales.

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EUROPE

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  • BASF, Antwerp, Belgium.

  • Nafto, Krakow, Poland.

  • Fullmet, Konskie, Poland

  • Vistal, Gydnia, Poland.

  • 24 Januarie, Ploesti, Romania.

  • Centravis, Nikopol, Ukraine.

  • Apex, Cristian, Romania.

  • SISMA Srl, Genoa, Italy.

  • TPS Srl, Lodi, Italy.

  • Steelcon, Esbjerg, Denmark.

  • Howden, Coswig, Germany.

  • Rosink, Nordhorn, Germany.

  • John Zink, Dudelange, Luxembourg.

  • Inox Tech, Lendinara, Italy.

  • Stahle Srl, Milan, Italy.

  • Dekompte, Selngstadt, Germany.

  • SICA Srl, Verona, Italy.

  • Hamon D'Hondt, Fresnes Sur Escaut, France.

  • Howdens, Hermsdorf, Germany.

  • Howdens, Luckau, Germany.

  • Galperti, Figlio, Italy.

  • Co Mo Sud, Brindisi, Italy.

  • Gruber Hermanos, Vizcaya, Spain.

  • Upruc, Brasov, Romania.

  • EBK, Kredenbach, Germany.

  • Delfin Tubes, Gijon, Spain.

  • SA Mein, Gipuzkoa, Spain.

  • Aeromeccanica Stranich, Milan, Italy.

  • Tenaris Silcotub, Zalau, Romania.

  • Commi Srl, Bergamo, Italy.

  • CFD Srl, Cerano, Italy.

  • Combustion Energy Srl, Lecco, Italy.

  • Piana Srl, Stradella, Italy,

  • PMBV, Milan, Italy.

  • Boldrocci, Biassano, Italy.

  • CCA, Bari, Italy.

  • SC Valachia Apex Srl, Brasov, Romania.

  • FIAS Srl, Varese, Italy.

  • ZVU Servis, Hradec Králové, Czech Republic.

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ASIA

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  • Zhejiang Tsinghan Steel, Zhejiang, China.

  • Qingdao Changhui Pipes, Qingdao, China.

  • Zhejiang Jndia Pipeline Industry, Zhejiang, China.

  • Hengyang Valin Steel Tubes, Hunan, China.

  • Shanghai Feiting Pipe, Shanghai, China.

  • Airoil Flaregas, Gujarat, India.

  • Tech Metal, Incheon, Korea.

  • Jiangsu Chengde Steel Tube, Jiangsu, China.

  • Neway Valve, Suzhou, China.

  • Yingkou Guangming, Liaoning, China.

  • Kunshan Daekyung, Kunshan, China.

  • Tomeco, Hanoi, Vietnam.

  • Shaanxi Haokun Flanges, Shaanxi, China.

  • Posco, Vung Tau, Vietnam.

  • HLB Power, Incheon, Korea.

  • Yangzhou Lontrin Steel, Jiangsu, China.

  • Hi Tech Metals, Zhejiang, China.

  • Jiangyin Longshan Piping, Jiangsu, China.

  • Oswal Industries, Jaipur, India.

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AMERICAS

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  • CPI Automation, Ontario, Canada.

  • Envirokinetics, California, USA.

  • WEG, Jaraguá do Sul, Brazil.

  • Zeeco Therme, Querétaro, Mexico.

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