bids are invited for purchase of miscellaneous spares for hvac system pressure gauge -1 , pressure gauge-2 , industrial thermometer , sporlon thermostatic expansion valve with bulb , sporlon pilot solenoid valve , cast iron dual plate wafer type check valve nrv isi mark , cast iron butterfly valve isi mark-1 , cast iron butterfly valve isi mark-2 , water flow meter flange connection , water flow meter flange type , copper pipe 1 by 4 inch , syphon pipe u type , stainless steel syphon cock , skf 22209c3 bearing , skf h309 adapter sleeves , skf 6205 bearing , skf 6206 bearing , skf 6208 bearing , skf 22210 c3 bearing , skf h310 adapter sleeves , vibration pad rubber -square , gasket tape single sided , gasket , y type control valve ss actuator total quantity : 722