purchase of valves for rangit power house , wafer type butterfly valve , size- 200nb , gate valve , size-150 mm , class-150 , gate valve 4 , gate valve 80 mm , full way gate valve 2 dia , ppr gate valve 32mm , gun metal gate valve 25 mm ( 1 ) non-rising stem , tested 1 . 5 mps hyd . seat tesetd 1 . 0mpa hyd . , f . s . gate valve screw end , class 800 , size 20 mm , forged steel gate valve screwed class 800 size 40mm , cast steel globe valve dn 200mm , cast ss globe valve , 3 ( 80 nb ) , globe valve , size-50mm , forged steel globe valve 40 mm , three piece design , female bsp thread , cl-800 , conform api:602 , forged steel ball valve 15 mm , three piece design , screwed female bsp thread , cl-800 , conf . bs:5351 , dual plate check valve , size:150mm , c . steel swing check valve 6 , ss check valve for hs lub system both side male , thread m18x1 . 5 & 16 mm , pitch-19g , op pr-60 kg/cm2 , globe valve cast steel 4/100mm dia , cast steel gate valve size 200 mm , class 150