Supply of pneumatic knife gate valve pistons for xrp 1043 bowl mill reject system

Spares suitable for siemens make 420 kv,2000amps,tp 415v motor operated centre break isolator with single earth switch type 400 kv hcb installed at 400 kv switchyard

Supply of two 2(two) nos sf-6 gas circuit breakers, 245kv,3150a,3-phase, 50hz individual pole operated by a motor-wound spring-spring operating control mechanism along with galvanized steel support structures including adapter plate, inter-pole cables, terminal connectors, all the accessories, mandatory spares including design, manufacturing, testing, inspection at manufacturer works, packing and forwarding along with supervision of erection, testing and commissioning of breakers at 220kv switchyard of nagarjunasagar main power house, telangana

1)stainless steel wedge gate valve 100 nb class-600 with flanged ends as per product standard- ht00229 (rev.01). qty: 6 no 2)stainless steel wedge gate valve 80 nb class-600 with flanged ends as per product standard- ht00229 (rev.01). qty: 10 no 3)stainless steel wedge gate valve 50 nb class-300 with flanged ends as per product standard- ht00229 (rev.01). qty: 16 no 4)stainless steel non return valve 25nb, class-150 with 1" bsp screwed female ends as per annexure a (rev 00). qty: 11 no 5)stainless steel non return valve 50 nb class-300 with flanged ends as per annexure a (rev 00). qty: 6 no 6)stainless steel motorised gate valve 50 nb class-150 with flanged ends as per purchase specification ht00229 rev.01 qty: 2 no