bids are invited for ppr plumbing items ppr pipe pn 20 sdr 6 with outer dia 40mm , ppr pipe pn 20 sdr 6 with outer dia 32mm , ppr tank connector outer dia 40mm , ppr tank connector outer dia 32mm , ppr gate valve connector outer dia 40mm , ppr gate valve connector outer dia 32mm , ppr elbow 90 degree plane outer dia 40mm , ppr elbow 45 degree plane outer dia 40mm , ppr elbow 90 degree plain outer dia 32mm , ppr elbow 45 degree plain outer dia 32mm , ppr tee reducer 40 32mm , ppr tee reducer 32mm 45 dgree , ppr union outer dia 32mm , ppr wall clamp dia 40mm , ppr wall clamp dia 32mm , ppr socket outer dia 32mm , ppr socket outer dia 40mm , ppr plug dia 25mm , ppr plug dia 15mm , ppr adhesive , silicon tape , insulation for 40mm outer dia ppr pipe pn20 sdr63 layers of size 28mm x 19mm , insulation for 32mm outer dia ppr pipe pn20 sdr 6 3 layers of size 28mm x 19mm , adhesive solution sr 998 for jointing of insulation , ppr tee outer dia 32mm , ppr female threaded elbow outer dia 32mm x 15 mm , ppr male threaded elbow outer dia 32mm x 15 mm , ppr female threaded socket outer dia 40mm x 15mm , ppr female threaded socket outer dia 32mm x 15mm , ppr female threaded socket dia 25mm x 15mm , ppr wall clamp dia 75mm , ppr socket elbow and tee each of dia 25mm , ppr socket elbow and tee each of dia 20mm , rock wool for insulation , aluminium sheet 2mm to cover external pipes of one ft width