Model TC-2 has both end ports and housing ports threaded for 2-1/2 inch pipe.Model TC-2F is supplied with steel flanges.End port flange is threaded for 2-1/2 inch pipe,housing flanges threaded for 2 inch pipe. Flanges threaded for smaller pipe sizes,or flanges adapted for welding,are also available.Minimum size of inlet piping,valves,and fittings is 2 inches.Suggested inlet piping of 2-1/2 inch size makes delivery faster and service life longer.These Smith pumps are reversible,so that the TC-2 pump can be used for loading or unloading without a manifold,if a reversing power take-off is available.Strainer and bypass valve are extra equipment.