Flow through this valve is one pipe size smaller than the valve's pipe size resulting in slightly restricted flow.
Flow through the valve is two pipe sizes smaller than the valve's pipe size resulting in restricted flow.
Refer to the above lines, what does this â€œone pipe size smallerâ€ and â€œtwo pipe sizes smallerâ€ means...
Full port vs reduced port
13 years 6 days ago #4094