supply of shell and tube heat exchanger stainless steel (tag no. 22-lz-3210) for ppu unit , supply of shell & tube heat exchanger stainless steel (tag no. 22-lz-3210) for pp unit design, engineering, obtaining statutory approvals, procurement, fabrication, inspection, testing, painting, tagging, documentation, preparation for shipment, supply and supervision of erection and commissioning of shell and tube heat exchangers-ss (tag nos. 22-lz-3210) including welded internals and external attachments, tube bundles, equipment supports, anchor bolts as applicable, all accessories, insulation with cladding as applicable, mechanical and electropolishing as applicable, commissioning spares, special tools & tackles,third party inspection, etc. for epcm 3 (p-25) project at iocl panipat refinery as specified in material requisition. , flushing oil limiter (tag no. 22-lz-3210) => limited