bids are invited for hdpe pipe and fittings hdpe 63 mm od pipe , hdpe 90 mm od pipe , hdpe 110mm od pipe , hdpe flange asa 150-63mm , hdpe flange asa 150-90mm , hdpe flange asa 150-110mm , hdpe moulded 90deg bend 32mm , hdpe moulded 90 deg bend 63mm , hdpe moulded 90 deg bend 90mm , hdpe moulded 90 deg bend 110mm , hdpe concentric reducer 32x20 mm , hdpe concentric reducer 63x32 mm , hdpe concentric reducer 110x32 mm , hdpe concentric reducer 90x63 mm , hdpe concentric reducer 110x63 mm , hdpe concentric reducer 110x90 mm , hdpe moulded equal tee 110mm , hdpe fabricated reducing tee 90x32 mm , hdpe stub end with hdpe slip on flange 110 mm , hdpe flanged end ball valve 63 mm , hdpe moulded equal tee 63mm total quantity : 340