procurement of refrigeration cylinder and gas ( r-134a , r-22 , r-32 , r-407 , r-410 ) for various split ac , pac ductable ac and chiller system installed in tmd and tmd-os area at 2x660mw , sstpp , mppgcl , khandwa , refrigerant gas r-134a , refrigerant gas r -22 , refrigerant gas r -32 , refrigerant gas r -407 , refrigerant gas r -410 , refrigerant cylinder along with valve & key for refrigerant r-134a capacity 62 kg , refrigerant cylinder along with valve & key for refrigerant r-22 capacity 61 kg , refrigerant cylinder along with valve & key for refrigerant r-32 capacity 45 kg , refrigerant cylinder along with valve & key for refrigerant r-407 capacity 45 kg , refrigerant cylinder along with valve & key for refrigerant r-410 capacity 45 kg each