In the pipe stamp 2 inch SCH 40 PVC 1120 280 PSI at 23 degrees C ASTM D-1785 USPI NSF-PW, what is the pressure rating?

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Multiple Choice

In the pipe stamp 2 inch SCH 40 PVC 1120 280 PSI at 23 degrees C ASTM D-1785 USPI NSF-PW, what is the pressure rating?

Explanation:
The pressure rating is shown in the stamped phrase “280 PSI at 23 degrees C.” This means the pipe is designed to withstand up to 280 pounds per square inch of pressure when the temperature is 23°C, as specified by ASTM D-1785. The remaining markings describe the pipe’s size and thickness (2 inch, Schedule 40) and include an internal manufacturing code (1120) and the rating temperature used for this specification (23°C). So the number indicating the pressure rating is 280 psi. The other figures are related to size, code, or temperature, not the pressure rating.

The pressure rating is shown in the stamped phrase “280 PSI at 23 degrees C.” This means the pipe is designed to withstand up to 280 pounds per square inch of pressure when the temperature is 23°C, as specified by ASTM D-1785. The remaining markings describe the pipe’s size and thickness (2 inch, Schedule 40) and include an internal manufacturing code (1120) and the rating temperature used for this specification (23°C). So the number indicating the pressure rating is 280 psi. The other figures are related to size, code, or temperature, not the pressure rating.

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