bids are invited for and socket assembly cast steel foot valve,size 6inch,minimum weight 60kg,with mfg tc. , cast steel foot valve,size 8inch,body pressure 1000psi,seat pressure 900psi , cast steel non return valve with bypass,size 6inch, body pressure 900psi,seat pressure 750psi , isolator on off,part no.cb 200d 1 , potential transformer,part no.eea0014025 , auxiliary contactor,fg110c , plug and socket assembly complete set,200amp,sdl side,dgms approved , plug and socket assembly complete set,200amp,geb side,dgms approved , tyre coupling complete set,f 140 or equivalent , tyre coupling complete set,f 120 or equivalent , relay, earth leakage, with cbct,12v, 1 to 750ma procurement of valve isolator potential transformer plug total quantity : 21