What does 7 inch water column mean?
This refers to the amount of pressure it takes to raise a column of water 1 inch. There are 27.7 inches of water column (wc) pressure in 1 PSI of pressure. So 7″wc is about 1/4 PSI. This is the normal pressure that household natural gas is delivered.
How is water column measured?
Water column is an alternative way of expressing measurements of pressure. This measurement is defined as the pressure produced by a 1-inch by 1-inch column of water with a specified height. Therefore, the pressure of 1 inch of water in a water column is 0.036 psi or 1/28 psi.
What is FT wc?
Foot of Water Column is an American and English low value pressure unit, now used mostly in the USA where feet and inches are the standard units for measuring distance. 1 foot of water column at 4 degC (39.2 degF) equals 2989.07 pascals.
How do you calculate water column pressure?
To calculate the hydrostatic pressure at the bottom of the container consider: H = 8 inches of water SG = 1 P = x PSI P=1 • 8 inches = 8 inches W.C. So the hydrostatic pressure (P) at the base is equivalent to 8 inches of water column. 1 inch of water column = 0.03613 PSI (27.678 inches of water column = 1 PSI).
Is water column the same as water gauge?
Pressure & Vacuum Terminology W.G. — Water Gauge (plus a height dimension). W.C. — Water Column or Column of Water. Inches H20 — Inches of Water (Column).
How many PSI is an inch of water column?
approximately 1/28 pound per square inch
One inch of water column is equal to a pressure of approximately 1/28 pound per square inch (psi). Stating this another way, a column water 28-inches high produces pressure that is equal to 1 psi.
How many inches of water column is a PSI?
28-inches
Is water gauge the same as water column?
What height of water column produces?
Given that same pressures acts on both column of mercury and column of water. Hence, height of water column having same pressure as mercury column is 10.336 m.
How many inches of water column are there in 1 PSI?
One inch of water column is equal to a pressure of approximately 1/28 pound per square inch (psi). Stating this another way, a column water 28-inches high produces pressure that is equal to 1 psi.
Why is inches of water column used?
w.g. The inches water column is a non-SI unit for pressure. The units can be used to measure pressure differentials such as small pressure differences across an orifice.