tender for supply of restriction orifice for p25 project at iocl panipat refinery --field-applied coal tar enamel pipe coating systems: application, performance, and quality control , coatings and linings over concrete for chemical immersion and containment service , corrosion control of offshore structures by protective coatings , control of external corrosion on underground or submerged metallic piping systems liquid-applied internal protective coatings for oilfield production equipment , extruded polyolefin resin coating systems with soft adhesives for underground or submerged pipe , discontinuity (holiday) testing of new protective coatings on conductive substrates holiday detection of fusion-bonded epoxy external pipeline coatings of 250 to 760 um (10 to 30 mils) , measurement of protective coating electrical conductance on underground pipelines offshore platform ballast water tank coating system evaluation , test procedures for organic-based conductive coating anodes for use on concrete structures , aboveground survey techniques for the evaluation of underground pipeline coating condition , laboratory methods for the evaluation of protective coatings and lining materials on metallic substrates in immersion service , evaluation of internal plastic coatings for corrosion control of tubular goods in an aqueous flowing environment , evaluation of internal plastic coatings for corrosion control of tubular goods by autoclave testing , holiday detection of internal tubular coatings of 250 to 760µm (10 to 30 mils) dry film thickness , exterior protective coatings for seawater immersion service