When taking notes, do not copy word for word, that is plagiarism! You will not get credit for doing that. use a maximum of three to five words and document the web address and page number. If you are using a book, document the title, author, and page number. 3. Write your rough draft.
Closing the main valve (Shut-off/Turn-off) A.) Round âwheelâ handle valves will turn-off by turning the handle to the right (clockwise). It may take 2 or more full revolutions. B.) Slowly turn level handle valves Â¼ turn, until the handle it not parallel with the pipe.
Show the valve. If it is only operated by operator selection, consider tagging HV. Otherwise if by shutdown logic, consider UV or XV. The open and closed position switches for feedback to the operator are often labeled ZSO for open and ZSC for closed.