Tenders for Supply of Set Of Unions For 25Mm Stainless Steel Pipe Line Double Ferrule Fittings For Wap-7 & Wag-9 Locos Bogie Brake Cylinders Pipe Line As Per Clw Spec. No.Clw/Ms/3/053 Alt.16 Or Latest. Set Consists Of 03 Items. Set Details As Follows. 1 Straight Union 1 Inch Od.-02 Nos. 2 Union Elbow 1 Inch Od.-01 No. 3 Union Tee 1 Inch Od.-01 No.