Invitation to Bid - 1. UNION ELBOW 1/2" OD. ICF DRG NO. ICF/STD 3-5-017 alt-A ITEM-1 2. One set of double ferrule fittings required for LHB coaches consisting of following: (1) Male elbow connector (conical seating) 3/4 inch OD X M26 X 1.5(M) to DRG. No. ICF/STD-3-5-137 item-(1)- Qty.- 4 Nos. per set (2) Bulk head male connector (with conical seating) 3/4 inch OD X M26 X 1.5(M) to DRG. No. LWSCWAC-3-2- 005 item-1-Qty- 4 Nos. per set. in Uttar Pradesh