tender for procurement of spare seat for intervalve poonawalla make butterfly valve installed at cooling water system and spares for intervalve poonawalla make butterfly valve installed at raw water in-house and clarifier pump house of 2x660 mw, sstpp, stage-ii, mppgcl, dongalia, distt.-khandwa- 1 spare seat for intervalve poonawalla make butterfly valve installed at cooling water system of 2x660 mw sstpp, dongalia. 2 spare seat for butterfly valve size 150,valve model : ivgkpressure rating : pn10moc : nitrile 3 spare seat for butterfly valve size 400,valve model : ivgkpressure rating : pn10moc : nitrile 4 spare seat for butterfly valve size 450,valve model : ivgkpressure rating : pn10moc : nitrile 5 spares for intervalve poonawalla make butterfly valve installed at raw water inhouse plant and clarifier water pump house of 2x660 mw sstpp, dongalia. 6 bare shaft butterfly valve size 600 nbvalve model : ivgk-rbody : ci is 210 fg260+2%ni+epoxy, disc : sgi din 1693 ggg40+2% ni+epoxy, design std. : bs en 593replaceable seat : nitrileshaft : astm a479 type (ss) 410valve rating : pn6, end : wafer endsflange drilling std : asme b16.5#150, operator : bare stem valvemfg std/end to end dimension : en593, hydrostatic shell & seat test : yes, pneumatic seat test : yestest std : bs en 12266 part 1