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# Selection of Pressure gauge Range For Hydrostatic Pressure Test as per ASME standard

## Selection of Pressure gauge Range For Hydrostatic Pressure Test as per ASME standard

(OP)
Q- As per ASTM E1003-13 "The gauge must be accurate to within 1 % of full scale. The gauge must read at least 1.5× but not more than 4× the maximum test pressure to be used".

Is there any standard which can permit me to use pressure gauges more than 4X hydro test pressure .

for Ex- 4Xhydro test pressure is 340kg/cm^2 , can i use pressure gauge having range of 0-350kg/cm^2 for hydrostatic pressure gauge

### RE: Selection of Pressure gauge Range For Hydrostatic Pressure Test as per ASME standard

You may want to use ASME Section VIII Division 1 requirement regarding the pressure gauge.

#### Quote (ASME VIII-1, UG-102)

Dial indicating pressure gages used in testing shall be graduated over a range of about double the intended maximum test pressure,
but in no case shall the range be less than 11/2 nor more than 4 times that pressure

Test pressure = 85.
your gauge may go up to 130 but not more than 340.
My suggestion - minimum 0 kg/cm^2. maximum - 150kg/cm^2.

### RE: Selection of Pressure gauge Range For Hydrostatic Pressure Test as per ASME standard

So your actual test pressure is 85, and that makes 4x=340.
By the Code your gage needs to have a full scale of 130 to 340.
I wouldn't use the 350 gage, look for one with full scale 150 to 250 to use. It will work better and make you look like you know what you are doing.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, consulting work welcomed

### RE: Selection of Pressure gauge Range For Hydrostatic Pressure Test as per ASME standard

(OP)
Thank you sir

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