NPS Selection and Pipe Schedule

Which of the following calculated NPS should be selected if fluid is CLEAN?

• 4 in typical D

• 3 in minimum D

• 4 in economic D

• 3.5 in suggested D

Which of the following calculated NPS should be selected if fluid is CLEAN?

• 4 in typical D

• 4 in minimum D

• 3 in economic D

• 3.5 in suggested D

Which of the following calculated NPS should be selected if fluid is CORROSIVE?

• 3 in typical D

• 4 in minimum D

• 3.5 in economic D

• 3.5 in suggested D

Which of the following calculated NPS should be selected if fluid is CORROSIVE?

• 4 in typical D

• 3 in minimum D

• 3.5 in economic D

• 3.5 in suggested D

Which of the following calculated NPS should be selected if given typical velocity?

• 4 in typical D

• 3 in minimum D

• 3.5 in economic D

• 3.5 in suggested D

Which of the following calculated NPS should be selected if given highly VISCOUS?

• 3 in typical D

• 3 in minimum D

• 4 in economic D

• 3.5 in suggested D

Which of the following calculated NPS should be selected if given very specific conditions and fluid?

• 4 in typical D

• 4 in minimum D

• 3 in economic D

• 3.5 in suggested D

Is SCH 40 enough for a water threaded pipeline at 86 F and calculated ID of 1.796 in using Perry's method?

Use A53 Grade B seamless CS or A312 TP316H seamless SS. Use working pressure of 150 psi.

• Yes, t=0.0784in

• No, t=0.0784in

• Yes, t=0.112in

• No, t=0.112in

Is SCH 40 enough for a water threaded pipeline at 86 F and calculated ID of 3.655 in using Hesse & Rushton?

Use A53 Grade B seamless CS or A312 TP316H seamless SS. Use working pressure of 150 psi.

• Yes, t=0.117in

• No, t=0.117in

• Yes, t=0.181in

• No, t=0.181in

Is SCH 40 enough for a CO2 threaded pipeline at 89.6 F and calculated ID of 0.369 in using Perry's method?

Use A53 Grade B seamless CS or A312 TP316H seamless SS. Use working pressure of 150 psi.

• Yes, t=0.0566in

• No, t=0.0566in

• Yes, t=0.0470in

• No, t=0.0470in