mainline pumping unit mainline pumping unit ( api610 bb-1 / bb-3 ) , item supply , pumping unit ( bb1 / bb3 type as per api 610 latest edition ) - complete unit consisting of horizontal, axially split type centrifugal pump, flameproof electrical motor with all accessories like coupling with coupling guard, mechanical seal, cooling and flushing piping, pump protective instruments, common base plate and with all necessary instrumentation including supply of foundation bolts, grouting materials, counter flanges ( wnrf ) and commissioning spares as per specifications. q-2486 m3 / hr, h-274 mcl , case wear ring , impeller wear ring , impeller ( full dia ) , pump shaft , throat bush , rolling element / hydrodynamic – radial and thrust bearing , bearing pads only ( hydrodynamic -radial &thrust ) if applicable , shaft sleeve , impeller key , coupling key , rotary & stationary inserts for mechanical seal , pump casing gasket & any other gaskets / o-rings required , set of o rings / gaskets for mechanical seal , complete mechanical seal ( de+nde ) , hydraulic torque wrench with suitable power unit ( electric operated-explosion proof or pneumatic operated along with two sets of repair kits ) for pump casing bolts , bearings ( de & nde ) for motor , cooling fan for motor , pump bearing rtd , pump casing rtd , motor bearing rtd , vibration probe along with transmitter for pump ( 1 no probe and transmitter of each type ) , vibration probe along with transmitter for motor ( 1 no probe and transmitter of each type ) , speed sensor & converter / transmitter , dplt / ls ( seal lekage system ) , service charges for pre-commissioning check, installation & commissioning personnel including all expenses e.g. air / rail fare, local transport, accommodation etc.for pumping units as per techincal specification.