supply of metallic expansion bellows in flash tank i condenser side as per specification 3 nos , metallic expansion bellows in flash tank i condenser side tag no – e5 & 6 technical specification: make: vokes limited guild ford drawing no : d b 7016/2/3/10 a)id - 405.1mmb) od - 470.4mmc)convolution – 9d)ply – 2 e)thickness - 0.457 mm (26 swg)f) material - bs1449 pt2 st stl 321-s31 g) movement (axial): – nil(lateral)+-: +- 6.6mm h) rate approx (axial): – nil(lateral): 25.6 kg/mm i)max working condition :2kg/cm2 & full vacuum at 2400c j)hydraulic test : 3 kg/ cm2(43psig) at ambient temp, 730mm hg vacuumtest at ambient temp k) approx weight: 84.6 kgp) over all length: 700 mm ardrox penetrant dye : all welds. e 5 & 6 l)pipe size od:406.4mm,thick :6.2mm