tender for supply of spares and service for re commissioning of stand by stream of fly ash evacuation system nuva system of unit no 1 for ahp i sgtps mppgcl birsinghpur--1 filter bag material-nomexsize-length -88” ( 2235 ) , i.d.:147.5mm, o.d.:152mmfabric material:nomex 100%aromatic polyamaide ) design pressure: 6-7 kg / cm2, iv ) vacuum:760mm hgv ) temp.:220°c vi ) density :550gsm 2 filterbagcage, material-ss-304 suitable for the bags of 88” long 3 blow pipe material -ss-304each set will comprise of 12nos. blow pipes of different sizes 4 pulse jet valve with pilotmake:asco , air / inert gas:0-11bar, volt-240 / 50hz pipe size-1 / 8” 5 main door gasket for bag filter separatorsmaterial-synthetic rubber 6 d.p.arrangement 7 manual valve20 nb material:gun metal 8 check valve 20 nb 9 differential pressure switch 10 pressure gauge range-0-10kg / cm2 11 wire breaded hose with clamps size-40nb design pressure-21 kg / cm2 wire 48x0.3=15mtr clamps-48nos.material:ss corrugated wire ( as per mfg standard ) 12 transfer hopper 13 top / bottom gate swing disc valve complete assembly with actuatormaterial-body :msto is:2062 material-disc:ms to is 2062, seat:alloy cast steel hardness 250 to 300bhn along with pneumatic actuators and limit switches. 14 fluidizing tiles 12”x10”material-blue fused alumina ( al2o3 content 82% ) type-porous tiles champers cut, bulk density-2.3gm / cc max.porosity-30% to 40%, max. used temp-9000°c 15 vent valve assembly 16 2 ½”- 2way valves complete assembly with actuator material- casting-alloy cast iron-hardness 180-200 bhn valve seat &disc-high chrome / steel cetramic seating face 17 2 ½”- 3 way valves complete assembly with actuatormaterial- casting-alloy cast iron-hardness 180-200 bhn valve seat &disc-high chrome / steel cetramic seating face 18 surge hopper 19 single stone with framestone material: blue fused alumina (al2o3 content 82%)type-porous tiles champers cut,bulk density– 2.3 gm/cc max. porosity -30% to 40%,max. used temp - 9000cmounted in frame /plenum –ss-304 20 04 stones -04 tiles with framestone material: blue fused alumina (al2o3 content 82%)mounted in frame /plenum –ss-304-04 tiles with frame 21 02 stones -02 tiles with framestone material: blue fused alumina (al2o3 content 82%)mounted in frame /plenum –ss-304 22 safety valve complete assembly for surge hopper as per ucc design 23 nuva feeder top bottom gate complete assemblyspecifications of main parts of assembly:body : g-3 bhn 180gate seat & disc: durite 350 bhndiffuser fdr. shaft: steelseat fixing bolt : mscompression sring : ss cold drawnair cylinder size: 6 bore× 7 strokespring for cylinder: spring steeldiffuser tile: porous tile ( make: grindwel norton)diffuser plenum: s.s. 304 24 body fluidizing tiles 4” widex48” long with imported ss element & ms bolt for nuva diffuser feeder 25 pneumatic ball valve 26 40 nb 27 25 nb 28 3 way single coil solenoid valve (asco/rotex/equivalent) 29 4 way solenoid valve 30 3/8” pivot 31 1/4” pivot 32 spring load check valve 33 40 nb 34 25 nb 35 hose and connectorhose : wire braided hose of 6mm, 8mm, 10mm ,12 mm : 20mtr eachbrass hoseconnectors 08 nb,10 nb& 12nbwith brass hosenipple 8mmx8mm,6mmx8 mm,15mmx08mm, & 15mmx10mm ,25 eachconnector 36 fittings 37 pressure feeder outlet teematerial:durite/equivalent hardness450 bhn 38 bend, 90°300 nb material:durite/equivalent hardness450 bhn 39 bend, 90°400 nb material :durite equivalent/hardness450bhn 40 coupling assembly 41 ta 300nb 42 ba 300nb 43 ba 400nb 44 10” tersg valve complete assemblymoc: body : g-4 or equivalent hardness 200-230 bhn,slide : alloy cast steelhardness 200-230 bhn,shaft : en8, bush : bronze, seal strip : nitrile rubber,band clamp : ss 410/ 416, cylinder bracket: m.s., cylinder : 4” bore x 6” stroke standard, fixing bolt: carbon steel 45 300nb butterfly valve with actuator 46 supervisionchargesfor installation and commissioning for restoration work of stand by stream of fly ash