A pressure gauge should be capable of reading roughly double the normal operating pressure to be most accurate. So that 200PSi gauge should be used to measure around 100 PSi. Which seems the perfect range for home water supplies.
Bill D.
A pressure gauge should be capable of reading roughly double the normal operating pressure to be most accurate. So that 200PSi gauge should be used to measure around 100 PSi. Which seems the perfect range for home water supplies.
Bill D.
Lee Schierer
USNA '71
Go Navy!
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Yeah, we don't have extreme ambient environments, other than radiation, and that doesn't really have an effect on analog gauges.
Typically a stainless steel gauge will be for liquid process. Brass for gasses, and fire systems, and Monel for sea water. We have some special types for sulfuric, and hydrochloric acid. I haven't found any that last very long with sodium hypochlorite.
That's a nice gauge in your followup post. I need to recharge and reset my well pump tank, and I can screw that right onto the hose connection at the tank. Have to see if they have one in a 0-100psig range.
"The first thing you need to know, will likely be the last thing you learn." (Unknown)
The extreme environment I'm speaking of is farm sprayer and applicator. Constant vibration of the machine, usually in a rolling dust cloud situation, a variety of chemicals and pH. Found phosphorous fertilizer, 10-34-0 to be the worst usually, it crystalized with practically no reason and just destroyed things. Gauges had to be reasonably priced to so that they could be disposable, I didn't mention that but both of those makes are.
In the boiler room at the plant I was at there was a big 12" gauge for the air pressure (normally 80-110 psi). It was installed in 1939 and still working when I left in 2012.
One problem with a permanently installed water gauge is freezing in the winter. The expansion will can damage the Bourdon tube and wreck the gauge.
-Tom
My pressure gauge on my water supply has been working for 50 years now. Never had to replace it
You've never worked in industry. Gauges are designed to be under pressure 24/7/365.25
Go ahead and install it where convenient. Attach a valve to the line, and the gauge to that.I want to install a gauge upstream of a pressure regulator on the main water line to a house. If that's not advisable, I want to make a provision to temporarily install a gauge there to test water pressure.
Never, under any circumstances, consume a laxative and sleeping pill, on the same night
My Dad put a used gauge on a outdoor faucet around 1975. It is still there and working 45 years latter. No idea how old it was when installed, probably not more then ten years old then. the guage on the air compressor is at most 1950 or older.
Bill D
Tom
Here in New England, any process instrumentation that is outside is heat traced and in an insulated Hoffman Enclosure, with a plexiglass door.
One winter, about twenty years ago, the Long Island Sound Temps, in the Vicinity of Niantic Bay, got cold enough to freeze standing salt water. Lot's of gauges had to be replaced. Condenser efficiency for the turbine was amazing the following spring. The water stayed cold into July.
"The first thing you need to know, will likely be the last thing you learn." (Unknown)
"The first thing you need to know, will likely be the last thing you learn." (Unknown)