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Certification
Refractory Personnel
American Petroleum Institute
Median earnings
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The API 936 Refractory Personnel certification is designed to identify candidates possessing the knowledge of API STD 936 Refractory Installation Quality Control Guidelines. API 936 certification raises the bar of competence for qualified personnel, who must have knowledge of installation, inspection, testing and repair of refractory linings. It provides the industry with a prequalified set of individuals prepared for the job and readily identifies those who are qualified to do the job.
Apply roles and responsibilities of owners, inspectors, contractors, and manufacturers in refractory installation and inspection activitiesApply laboratory testing procedures including test method selection, execution, interpretation, acceptance levels, and documentation for refractory materialsIdentify types of refractory materials including monolithic refractories, refractory brick, and AES/RCF fiber linings including packaging and storage requirementsApply gunning procedures and equipment for monolithic refractory installation including variables affecting gunite qualityApply casting procedures and equipment for monolithic refractory installation including forming and vibration requirementsApply ramming and hand packing procedures and equipment for monolithic refractory installationRead and interpret refractory lining design requirements including anchor materials, patterns, layouts, welding, and quality controlApply production sampling methods and frequency for gunning, casting, and hand packing of refractory materialsApply water and activator addition requirements including mixing procedures and quality control for refractory installationApply fiber addition requirements including percentages, materials, and mixing procedures for refractory installationInspect refractory installation using visual, NDE, and other inspection techniques to monitor installation qualityApply acceptance and rejection criteria for refractory materials and installation including test panel and mockup requirementsCollect and document inspection data for refractory installation and quality control activitiesApply repair procedures and defect resolution methods for refractory liningsApply curing requirements for monolithic refractory linings following installationApply dryout requirements for refractory linings to prepare for serviceApply reheat change test methods for evaluating dimensional stability of refractory brick per ASTM C113Apply cold crushing strength and modulus of rupture test methods for refractory materials per ASTM C133Apply workability index test methods for fireclay and high-alumina plastic refractories per ASTM C181Apply abrasion resistance test methods for refractory materials per ASTM C704Apply inspection and testing requirements for refractory brick systems and materials per API 975Apply inspection and testing requirements for AES/RCF fiber linings and materials per API 976