bids are invited for tyre coupling ms chain cast steel foot valve, size 8inch, flange type, body pressure 950psi, valve pressure 750 psi, thread fitted seat, with mfg tc , cast steel non return valve with bypass, size 6inch, body pressure 500psi, seat pressure 250psi, thread fitted ph. bronze seat, minimum weight 80kg, with mfg tc. , cast steel sluice valve, size 6inch,rising type,body pressure 900psi, seat pressure 750psi,thread fitted ph.bronze seat ,minimum weight 95kg,with mfg tc. , m.s flange, threaded,100mm,plain face,12mm thick,as per is 6392 1971,15 bar pressure , m.s flange, threaded,150mm,plain face,12mm thick,as per is 6392 1971,15 bar pressure , f 120 tyre coupling complete set , f 140 tyre coupling complete set , f 120 coupling tyre only , ms chain,0.625 inch, with test certificate,load bearing capacity 8 tonne , ms chain,0.5 inch, with test certificate,load bearing capacity 5 tonne procurement foot valve non return valve sluice ms flange total quantity : 556