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Whipchecks on Hydraulic Hoses under pressure
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Ogu65344  
#1 Posted : 03 May 2011 10:31:37(UTC)
Rank: New forum user
Ogu65344
Is there any piece of legislation that specifies the use of whipchecks on hydraulic hoses under pressure? In addition, maintenance and/or inspection regime guidance.

Any information would be helpful. Thanks......
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ianm69  
#2 Posted : 03 May 2011 11:22:21(UTC)
Rank: Forum user
ianm69
Not to my knowledge, but I believe its a 'recommendation' on various O&G best practice guidelines that I had seen years ago.

Maintenance/inspection would fall under the normal PUWER guidelines I would think.....

Sorry I cant point you in a better direction than above comments, but some little help is better than no help!
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Williamx  
#3 Posted : 03 May 2011 11:53:40(UTC)
Rank: Forum user
Williamx
Alongside PUWER, try having a look at L122 (Safety of Pressure Systems) it's free on the HSE website, and makes a bit more sense of the Pressure Systems Safety Regs.

Good luck
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Kim Hedges  
#4 Posted : 03 May 2011 12:19:15(UTC)
Rank: Super forum user
Kim Hedges
Having used various bit of plant over the years, where these hoses are used, I have always made it a point to locate the manufacturers daily check and maintenance cards or literature.

It's usually, just a case of checking daily, during normal operator checks and especially before first use of the day. Look for rubbing, nicks, tears, leaks, check the connections at both ends, it really is very simple and can be done in less than a couple of minutes.
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MB1  
#5 Posted : 03 May 2011 14:59:02(UTC)
Rank: Super forum user
MB1
I was lead to the understanding that the term whip checks are actual additional connections that act as a secondary safety system in order to ensure in the event of a high pressure line disconnects the connector prevents the hose from lashing about uncontrolled potentially injuring people in close proximity.

Would be termed as good industry practice and relevant in a risk assessment?
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walker  
#6 Posted : 03 May 2011 15:22:21(UTC)
Rank: Super forum user
walker
MB1 wrote:
I was lead to the understanding that the term whip checks are actual additional connections that act as a secondary safety system in order to ensure in the event of a high pressure line disconnects the connector prevents the hose from lashing about uncontrolled potentially injuring people in close proximity.

Would be termed as good industry practice and relevant in a risk assessment?


I agree
We are talking about a device, not an action.
They are mandatory in my industry.
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paul.skyrme  
#7 Posted : 04 May 2011 23:53:30(UTC)
Rank: Super forum user
paul.skyrme
Whip checks would control the end of a failed hose yes.
However, not all hydraulic hoses under pressure will whip on failure.
You could be incurring additional cost and complexity for no gain.
You probably need to consult a pressure systems specialist or at least someone competent to analyse the system correctly.
Just because there is pressure in a hydraulic system does not mean that there is sufficient energy to cause a hose to whip in the event of a catastrophic failure.
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