tender for open tender enquiry for repairing and dynamic balancing of batch type and continuous centrifugal machines of hbl sugauli, east ch aran, bihar - 845456. , part-a: repairing & dynamic balancing of basket nhec -1250 & continuous machine nhec/ss 1100 with product distributor for boiling house as per below details: working location: all repair and maintenance as mentioned below shall be performed at the vendors workshop. to & fro transportation of the basket from plant to vendors workshop will be arranged by hbl. , dismantling & machining: job includes the followings: a) dismantling of basket spider hub and shaft, pre machining of basket shaft and ss 304 ring fitting and final machining of discharge seat b) discharge cone: machining, welding and final machining dynamic balancing of basket and discharge cone, dp & ut test. , dynamic balancing of basket nk-1100 , dynamic balancing of distributor nk-1100 , part - b: supply of spares fop continuous & batch type centrifugal machines at hbls integrated plant at sugauli as per below specification: spares for batch type ng -1250 as per below details: , pneumatic operated control valve, size: nb 25mm, d-table flange end, make: aira , pneumatic operated control valve, size: nb 20mm, d-table flange end, make: aira , v-seal for housing (suspension bearing assembly) , water nozzle assembly with 10 nos (spray devices) , gm nozzle (ss) (spray devices) , brass strip (blade) - plough discharge assembly , nylon key - plough discharge assembly , spares for continuous centrifugal machine nk-1100 as per below details: , v-seal 85 , v-seal 75 , damping pad , shaft with lock nut , bare bearing housing , gm water nozzle , id ½ rubber hose wire braided temperature up to 150 degree, both side male connector ½, 4000 psi, 275 bar , ss hex head bolt with nut, size: 12 x 30 mm, make: tvs/unbrako , ss hex head bolt with nut, size: 12 x 40 mm, make: tvs/unbrako , ss hex head bolt with nut, size: 12 x 50 mm, make: tvs/unbrako , part-c: lauriya :supply of spares and servicing of continuous & batch type centrifugal machines at hbls integrated plant at lauriya as per below specification: spares for continuous centrifugal machine nk-1100 as per below details: , ht nut and bolt half threaded (16x130mm) , ht bolt full threaded (12x25mm) , ht bolt full threaded (12x40mm) , ht bolt half threaded (10x40mm) , ht bolt full threaded (8x25mm) , ht allenkey bolt (12x65mm) , ss allenkey bolt (12x30mm) , ss allenkey bolt (12x35mm) , ss bolt (8x15mm) , v-seal (alt-1) , v-seal (alt-2) , buffer pad , nickel screen lock patti , motor pulley suitable for 1600 rpm for nk 1100 , rubber hose pipe (1/4 inch x 1mtr) , rubber hose pipe (1/2 inch x 1mtr) , rubber hose pipe (1/2 inch x 2mtr) , spares for batch type centrifugal machine ng-1250 as per below details: , rubber buffer , rubber star , plough up/down seal kit , plough in/out seal kit , maintenance cylinder , nozzle pipe (ss) set , bottom valve up/down seal kit , teflon segment , v-seal (alt-1) , v-seal (alt-2) , massecuite distribution plate set , taper wedge , services for batch type centrifugal machine ng-1250 repairing of ng-1250 centrifugal machine basket including correction of run-out and ovality, welding and machining of shaft and spider, spider cladding, dismantling and reassembly, replacement of ss supporting liners, hood springs and cone, and dynamic balancing of the complete basket assembly.