procurement of different types of pipes and fittings for power house of dulhasti power station , ss male adaptor 1/4 inch , , ss male adaptor 1/2 inch , ss male adaptor 3/4 inch , ss male adaptor 1 inch , s s male adaptor 50 mm both end thread size bspt 11 g , male to male adaptor size 1/2 inch 14 g thread , ss female adaptor 1/4 inch , ss female adaptor 1/2 inch , ss female adaptor 3/4 inch , ss female adaptor 1 inch , ss male threaded double ferrule connector/union 1/4 inch , ss male threaded double ferrule connector/union 1/2 inch , ss male threaded double ferrule connector/union 3/4 inch , ss male threaded double ferrule connector/union 1 inch , ss female threaded double ferrule connector/union 1/4 inch , ss female threaded double ferrule connector/union 1/2 inch , ss female threaded double ferrule connector/union 3/4 inch , ss female threaded double ferrule connector/union 1 inch , ss female threaded double ferrule connector/union size: 40mm , stainless steel female threaded double ferrule equal union tee , size: 25 mm , stainless steel female threaded double ferrule equal union tee , size: 50 mm , male/female snubber 1/2 npt , simple union gas 26 . 9mm ss as per drg . no . 855892327200101 , s s elbow 90 degree 25 mm , ss elbow 90 degree dn40 mm , , ss elbow 90 degree dn50 mm , , s s elbow 120 degree 25 mm , elbow , size: 1/2 inch , , both end female thread 14g , pn40 , ss seamless pipe , size: 1/2 inch , sch-40 , ss seamless pipe , size: 3/4 inch , sch-40 , ss seamless pipe , size: 1 inch , sch-40 , ss seamless pipe , dn40 mm , , ss seamless pipe , dn50 mm , , check valve 1/2 inch , non return valve ( check valve ) 3/4 ( 20mm ) , non return valve 25 mm , ss check valve 25 mm along with male adaptor thread size bspt 11g , ball valve 25 mm nb , ball valve , size: 1/2 inch , both end female thread 14g , pn40