Stage and final inspection is carried out as per approved Quality Assurance Plan. Raw material is strictly checked for its conformity to its specification. NDT like RT, UT, PT, MP, &. Hydraulic & Pneumatic Test, Pressure Drop Test, Dimensional, Visual, Paint Finish & DFT Check, etc are carried out as per requirement. Filters are supplied under Third party inspection, by PDIL, LRIS, BVIS, ABS, CEIL, IBR, EIL, ICB, TPL, NTPC, UHDE, JH & G, and others as required.