procurement of complete assembly with actuator of fly ash system of unit no 1 to 4 at ph i and ii at sgtps mppgcl birsinghpur , nuva diffuser feeder complete assembly with actuator specifications:- body : g-3 /equivalent bhn 180-220 gate seat & disc: durite or equivalent to 550-600 bhn diffuser fdr. shaft: carbon steel seat fixing bolt : ms (galvanised) compression sring : ss cold drawn air cylinder size: 6 bore× 7 stroke spring for cylinder: spring steel diffuser tile: porous tile ( make: grindwel /norton) diffuser plenum: s.s. 304 , 18” swing disc gate valve complete aassembly with actuator m.o.c. of major elements: body:msis:2062 gate disc: abrasion resistant steel valve seat(wear ring): alloy cast steel hardness 250 to 300bhn shaft with key: steelpivot ball assembly material: steel external lever with bush material: steel with bronze bush air cylinder:4”x8” stoke standard , fly ash diffuser intake valve complete assembly with actuator m.o.c. of major elements of valve: descriptionmaterial qty body diffuser feeder: grey iron g3*/ (or equivalent cast01no steelof bhn minimum 250)fly ash diffuser: porous tile01no diffuser plenum: m.s. is 2062 01 no gate seat & disc : durite 350*- bhn /or 01 set equivalent cast steelof 350 bhn ( minimum) bolt & nuts :ss. aisi: 410/416complete set poke rod : ss. aisi: 410/41601 no air cylinder: spring loaded 4” × 5 stoke standard01no spring: hardened & tempered spring steel 01no half clamp: steel gr. 200-400w is:1030 02no all fasteners: s.s.410/416 complete set lever : cast steel gasket: rubberized asbestos synthetic rubber one coat of heat resistant al paint approx weight:140 kg , ash intake valve assembly complete assembly with actuator m.o.c. of major elements of valve: hopper inlet body: grey iron g3*, bhn-180/equivalent intake valve: grey iron g4*, bhn-180/equivalent body nuvaloy : durite bhn-350/equivalent valve disc : n-8 bhn-400*/equivalent removable seat: n-8 bhn-400*/equivalent spring: hardened & tempered spring steel roll pin: en-42/equivalent air cylinder: 2.5 × 6 stoke standard make eastern pneumatic/equivalent all fasteners & yoke: steel lever : cast steel gasket : rubberized asbestos , 9” tersgcomplete assembly with actuator moc:body: g-4 or equivalent hardness 200-230 bhn slide : g-4 or equivalent hardness 200-230 bhn shaft : en8 bush : bronze seal strip : nitrile rubberband clamp: ss 410/ 416 cylinder bracket: m.s.fixing bolt : carbon steel