Your project planner should determine the total figure of DIA. what needs to be erected. Devide that by construction time you have. Identify how many dia inch a welder can weld per day (~10-20). Count how many welders you have on job site. The construction is driven by the schedule and location...
Albanbulku, Actually good manufactures produce flanges in grade F60. For diameters less 18" you can use also ASTM A 105 WN up to 900lbs (Ring Joint) and 18 inches and above, flanges per ASTM A694 grade F60, to match pipe wall thickness.
Rdgs.
The best choice of pump may be a lined steel magnetic drive pump. Linings of Teflon®, Tefzel® and other non-metallic materials are used. These pumps may only last from 3-7 years but depending on the pump, 2 or 3 pumps with spare parts can be purchased for the same cost as a titanium pump.
If a...