Quality you can certify
Every process, every compound, every installation — documented, tested, and certified to international standards.
International standards
HAW Engineering holds certifications spanning quality management, pressure equipment, welding, nuclear qualification, and environmental compliance.
DIN EN ISO 9001:2015
Quality management system for development, sale, and production of corrosion-resistant linings, coatings, systems, and equipment.
Request certificate →Pressure Equipment Directive
Design, development, manufacture, and sale of pressure vessels and piping per Directive 2014/68/EU, conformity assessment Module H/H1.
Request certificate →SCC** Safety Certification
Safety, health and environmental management certification (SCC**) for floorings, transportation, processing, and service/installation activities.
View certificate (PDF) →DIN EN ISO 3834-2 Welding
Comprehensive quality requirements for fusion welding, covering welding activities and nondestructive testing.
View certificate (PDF) →Nuclear Qualification
KTA 1401 and AVS D100/50: quality assurance for planning, manufacture, installation, and servicing of equipment with corrosion-resistant linings in nuclear facilities.
Request certificate →Tank Wagon Welding (EBA)
Approved by the German Federal Railway Authority (Eisenbahn-Bundesamt) for welding work on rail tank wagons under TRT 009 and RID.
Request certificate →TRT 010 Lining Specialist
Specialist company for organic protective linings of tanks carrying dangerous goods, under TRT 010.
Request certificate →WHG Specialist Company
Certified specialist company under the German Water Resources Act (§ 62 AwSV) for coatings and rubber linings of vessels, piping, containments, and sealing faces.
Request certificate →AD 2000-Merkblatt HP 0
Facilities for appropriate production and testing, quality assurance, and competent supervisory and test personnel.
View certificate (PDF) →PED Material Appraisal
Particular material appraisal for rubber lining materials under Pressure Equipment Directive 2014/68/EU, Annex I, section 4.2(b).
Request certificate →Every lining tested
From surface preparation through final acceptance, every stage of every project follows documented procedures with verified outcomes.
Every compound batch is tracked. Every installation is documented. Full traceability from raw material to completed lining.
Surface Verification
Profile depth measurement and cleanliness inspection before primer application.
Adhesion Testing
Pull testing during and after application to verify bond strength meets specification.
Spark Testing
High-voltage spark test at 15kV minimum to detect any pinholes or voids in the finished lining.
Thickness Verification
Ultrasonic thickness measurement at documented grid points across the entire lined surface.
Documentation
Complete inspection report, material certificates, test results, and quality records delivered with every project.
Have a project to discuss?
Send us the scope, a drawing or a specification. Our engineers come back with a solution, a price and a programme.