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  • Users: DW1006
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  1. DW1006

    Pressure Loss accross a valve

    Afternoon, I am trying to work out how you calculate the pressure loss across a valve? We have a stored volume pressure at 600psi contained in 6 vessels, 90ft long 6ft internal diameter and around 45mm thick. On demand, we can release all this to atmosphere in a matter of around 40 seconds...
  2. DW1006

    Spec'ing up new Pressure Vessels

    All, Just looking for a bit of a brain dump of things to consider when spec'ing up new Pressure Vessels. We are going to replacing some of our air farm systems due to aging assets, primarily vessels and connecting pipework. Just looking for some input as to considerations/improvements I can...
  3. DW1006

    UK PSSR Vs Simple Pressure Vessels (Safety) Regulations 2016: Great Britain

    Hello everyone, I am seeking clarification on the circumstances that determine whether a system falls under the Simple Pressure Vessels (Safety) Regulations 2016:Great Britain or the Pressure Systems Safety Regulations (PSSR). Currently, in our company, the air farm and associated pipework...
  4. DW1006

    Selecting the correct standard for a new Pressure Vessel

    I am currently in the process of ordering a new pressure vessel from a manufacturing company. They have requested that I specify the standard to which the vessel should be built, considering the appropriate safety factor for its construction. The vessel is expected to operate within a...
  5. DW1006

    Pressure Testing Pipework (CWP / DP and WP)

    I am looking to have some pipework pressure tested to 750psi, to allow us to certify the pipework to have a Working pressure of 600psi. However, I have just noticed that within this pipework structure there are two valves (butterfly I recall) on the system which are stamped with “740CWP 0 @...

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