Tender For supply of refilling of co2 gas in ntpc cylinders with services at ntpc farakka : : - m1060320255-gas chem carbon dioxide 99.99 percentage cylinder , replacement of cylinder valve , replacement of spindle , replacement of washer , replacement of neck ring , replacement of bottom ring , replacement of gland nut , replacement of safety cap , cylinder painting charges , cylinder hydro testing charges
Tender For supply of oxygen gas 99.5 , air 99.999 , air 99.99 , carbon monoxide 99.9 , hydrogen 99.999 , carbon dioxide 99.5- 99.99 , nitrogen gas 99.999 , oxygen gas 99.999 , argon gas 99.999 , nitrogen gas 99.99 , nitrogen gas 99.95 , hydrogen 99.9