tender for procurement of various size 300 nb, 350nb and 400nb expansion joint and rubber gasket for ash disposal line of ahp of unit 1 to 4 , sgtps, mppgcl, birsinghpur.-- 1 300 nb expansion joint (modified device) for ash disposal line.size- 300 nb.medium – wet / dry ashpressure – upto 30kg / cm2operating temperature – upto 100 deg. cent.compensation range - +/- 100mmmaterial – ms / medium carbon steel.end connection – welded.maximum slurry concentration – 30%pipes specifications – as per is:3589 2 specially formulated rubber gasket suitable for 300 nb sleeve type expansion joint for wet ash disposal line for temp upto 100 deg. chardness: 65/70 +5 shore ‘a’ hardness 3 sub total(1) 4 350 nb expansion joint (modified coupling device) for ash disposal line.size- 350 nb.medium – wet / dry ashpressure – upto 30kg / cm2operating temperature – upto 100 deg. cent.compensation range - +/- 100mmmaterial – ms / medium carbon steel.end connection – welded.maximum slurry concentration – 30%pipes specifications – as per is:3589 5 specially formulated rubber gasket suitable for 350 nb sleeve type expansion joint for ash disposal line for temp upto 100 deg. chardness: 65/70 +5 shore ‘a’ hardness 6 sub total(2) 7 400 nb expansion joint (modified coupling device) for ash disposal line.size - 400 nb.medium – wet / dry ashpressure – upto 30kg / cm2operating temperature – upto 100 deg. cent.compensation range - +/- 100mmmaterial – ms / medium carbon steel.end connection – welded.maximum slurry concentration – 30%pipes specifications – as per is:3589 8 grand total (1.03+2.03+3.01)