bids are invited for upvc pipe and pipe fittings couplings-sch 80 , 15 nb upvc-couplings-sch 80 , 80 nb upvc-equal tee-sch 80 , 50 nb upvc-equal tee-sch 80 , 40 nb upvc-equal tee-sch 80 , 25 nb-upvc-equal tee-sch 80 , 15 nb-upvc-equal tee-sch 80 , 25 x 15 nb-upvc-unequal tee-sch 80 , 50 x 40 nb-upvc-unequal tee-sch 80 , 40 x 15 nb-upvc-unequal tee-sch 80 , 200 x 150 nb-upvc- unequal tee-sch 80 , 200 x 80 nb-upvc-unequal tee-sch 80 , 80 nb-upvc male adapter , 50 nb-upvc male adapter , 32 nb-upvc male adapter , 25 nb-upvc male adapter , 25 x 15 nb-upvc reducer bushing-sch 80 , 40 x 25 nb-upvc reducer bushing-sch 80 , 80 x 40 nb-upvc reducer bushing-sch 80 , solvent cement for upvc weld-on 717 , weld on primer p-70 , 300 nb upvc vanstone flanges with stub end , 200 nb upvc vanstone flanges with stub end , 150 nb upvc vanstone flanges with stub end , 200 nb upvc blind flanges , 300 x 200 nb-upvc reducer bushing- sch 80 , 200 nb-cpvc butterfly valve total quantity : 1969