Tender For supply of steel sockets confirming to is 1239 (part 2) (q4) , elbow, equal, 135 degrees conforming to is 1239 (part 2) (q4) , socket unions confirming to is 1239 (part 2) (q4) , pipe unions confirming to is 1239 (part 2) (q4) , running nipples, close taper nipples and barrel nipples confirming to is 1239 (part 2) (q4)