I've just acquired a compressor with a modest sized air receiver. It's
a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
I'll be checking the relief valve too.
On 12/10/2024 16:58, Fredxx wrote:www.amazon.co.uk/gp/product/B0DP69TLQ1</a><br>
I've just acquired a compressor with a modest sized air receiver. It's
a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some
articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of
these:
https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one was
of unknown type and origin.
<!DOCTYPE html>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<div class="moz-cite-prefix">On 12/10/2024 16:58, Fredxx wrote:<br>
</div>
<blockquote type="cite" cite="mid:md5:U6tduXJ6Ub3z9D92D+gz+A==">I've
just acquired a compressor with a modest sized air receiver. It's
a 150 litre rated at 10 bar.
<br>
<br>
I need to perform a hydraulic test on this but at what pressure?
Some articles say 1.25 bar others 1.5bar.
<br>
<br>
Is there a BS or similar standard?
<br>
<br>
I'll be checking the relief valve too.
<br>
</blockquote>
<br>
I know it's a long time ago but round to testing this. I used one of
these:<br>
<a class="moz-txt-link-freetext"
href="https://www.amazon.co.uk/gp/product/B0DP69TLQ1">https://
<br>
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one
was of unknown type and origin.<br>
<br>
<br>
</body>
</html>
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver. It's
a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some
articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of these: https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one was
of unknown type and origin.
On 12/05/2025 13:30, Fredxx wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver.
It's a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some
articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
Start her https://en.wikipedia.org/wiki/PD_5500
Tip: a google search for "british standard testing of pressure vessels"
will provide a synopsis of PD5500
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of
these:
https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one
was of unknown type and origin.
The test pressure is normally twice the working pressure when a pressure vessel is first commissioned, and 1.5 times the working pressure for subsequent routine tests.
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver. It's
a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some
articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of these: https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one was
of unknown type and origin.
On 12/05/2025 13:30, Fredxx wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver.
It's a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some
articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
Start her https://en.wikipedia.org/wiki/PD_5500
Tip: a google search for "british standard testing of pressure vessels"
will provide a synopsis of PD5500
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of
these:
https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one
was of unknown type and origin.
The test pressure is normally twice the working pressure when a pressure vessel is first commissioned, and 1.5 times the working pressure for subsequent routine tests.
On 13/05/2025 06:12, David wrote:
On 12/05/2025 13:30, Fredxx wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver.
It's a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure?
Some articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
Start her https://en.wikipedia.org/wiki/PD_5500
Tip: a google search for "british standard testing of pressure
vessels" will provide a synopsis of PD5500
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of
these:
https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one
was of unknown type and origin.
The test pressure is normally twice the working pressure when a
pressure vessel is first commissioned, and 1.5 times the working
pressure for subsequent routine tests.
The vessel usually has the working and test pressures stamped on an
attached plate - certainly mine does, as did the ones that I come across through work (other than the really big ones that we made for petrochem
and industrial processes, where it was covered in the stacks of test and maintenance documents).
Fredxx <fredxx@spam.invalid> wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver. It's
a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some
articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of these: >> https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one was
of unknown type and origin.
I’m guessing the OP must have mixed up his units and looked up test pressures for a vessel rated at 10 psi, not 10 bar. A test to 1.25 or 1.5 bar would be appropriate in that scenario.
On Mon, 12 May 2025 13:30:40 +0100, Fredxx wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver. It's
a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some
articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of
these:
https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one was
of unknown type and origin.
Don't forget 95% water 5% air.
On 13/05/2025 06:12, David wrote:
On 12/05/2025 13:30, Fredxx wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver.
It's a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure?
Some articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
Start her https://en.wikipedia.org/wiki/PD_5500
Tip: a google search for "british standard testing of pressure
vessels" will provide a synopsis of PD5500
I wish I was aware of this when I made the first post. Many thanks. The
Act contains the actual test pressures.
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of
these:
https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one
was of unknown type and origin.
The test pressure is normally twice the working pressure when a
pressure vessel is first commissioned, and 1.5 times the working
pressure for subsequent routine tests.
In ignorance I filled the container fully with water and tested to a
nominal 20 bar, 2 times the working pressure. I will be more enlightened
for next time.
On 14/05/2025 11:17, Fredxx wrote:
On 13/05/2025 06:12, David wrote:
On 12/05/2025 13:30, Fredxx wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver.
It's a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure?
Some articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
Start her https://en.wikipedia.org/wiki/PD_5500
Tip: a google search for "british standard testing of pressure
vessels" will provide a synopsis of PD5500
I wish I was aware of this when I made the first post. Many thanks.
The Act contains the actual test pressures.
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of
these:
https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one
was of unknown type and origin.
The test pressure is normally twice the working pressure when a
pressure vessel is first commissioned, and 1.5 times the working
pressure for subsequent routine tests.
In ignorance I filled the container fully with water and tested to a
nominal 20 bar, 2 times the working pressure. I will be more
enlightened for next time.
It shouldn't have caused any harm, in fact you have reassured yourself
that the thing isn't likely to go bang in service. It just that twice
working pressure usually is deemed unnecessary for periodic checks.
FYI ISTR that for the initial commissioning test that it has to be
maintained at the test pressure for 30 minutes.
On 14/05/2025 11:42, David wrote:
On 14/05/2025 11:17, Fredxx wrote:
On 13/05/2025 06:12, David wrote:
On 12/05/2025 13:30, Fredxx wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver.
It's a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure?
Some articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
Start her https://en.wikipedia.org/wiki/PD_5500
Tip: a google search for "british standard testing of pressure
vessels" will provide a synopsis of PD5500
I wish I was aware of this when I made the first post. Many thanks.
The Act contains the actual test pressures.
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one
of these:
https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one
was of unknown type and origin.
The test pressure is normally twice the working pressure when a
pressure vessel is first commissioned, and 1.5 times the working
pressure for subsequent routine tests.
In ignorance I filled the container fully with water and tested to a
nominal 20 bar, 2 times the working pressure. I will be more
enlightened for next time.
It shouldn't have caused any harm, in fact you have reassured yourself
that the thing isn't likely to go bang in service. It just that twice
working pressure usually is deemed unnecessary for periodic checks.
FYI ISTR that for the initial commissioning test that it has to be
maintained at the test pressure for 30 minutes.
Thanks for the info.
The purpose of the test was personal reassurance and hand on my heart I tested the receiver.
I probably held it at 10 bar for 10 minutes. It's not something I took
note of.
The receiver is a current model but the datasheet doesn't have any test parameters. Perhaps to absolve them of liability or that there are a
number manufacturer over the life of the product?
On 13/05/2025 15:10, Tim+ wrote:
Fredxx <fredxx@spam.invalid> wrote:
On 12/10/2024 16:58, Fredxx wrote:
I've just acquired a compressor with a modest sized air receiver. It's >>>> a 150 litre rated at 10 bar.
I need to perform a hydraulic test on this but at what pressure? Some
articles say 1.25 bar others 1.5bar.
Is there a BS or similar standard?
I'll be checking the relief valve too.
I know it's a long time ago but round to testing this. I used one of these: >>> https://www.amazon.co.uk/gp/product/B0DP69TLQ1
And got the vessel to 20 bar. Changed PRV for 10 bar as the old one was
of unknown type and origin.
I’m guessing the OP must have mixed up his units and looked up test
pressures for a vessel rated at 10 psi, not 10 bar. A test to 1.25 or 1.5 >> bar would be appropriate in that scenario.
The working pressure is definitely rated at 10 bar.
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