198 1 basket strainer 1 globe valve 3 elbows 1 return bend FIGURE P3.38. 40 The tubing 10 ft L 38. Castor oil flows through the piping system of Figure P3.38. The pipe is made of 6- nominal schedule 40 galvanized steel. All fittings are flanged and are of the long radius type. Calculate the flow rate of liquid through the pipe if it is 250 ft long.