Re: [MW:25540] API 6A, DESIGN VERIFICATION REPORT CLARIFICATION

Dear raj,

Can you please specify where is given N and L value in API and what is the component are you looking for?

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On Oct 14, 2016, at 8:25 AM, 'raj susi' via Materials & Welding <materials-welding@googlegroups.com> wrote:

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Dear Prakash

Thanks for your reply.

My question here is the - 

when the design parameter is -20 deg F to 250 deg F, can the Material class be only -50 deg F to 180 deg F?

-50 deg F is more than -20 deg F, FINE for minus degree service.

But 180 deg F is less than 250 deg F, should the material temperature be equal or greater than Design? this is my question in the previously attached report. 

regards

raj

+65 98489500

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On Thu, 13 Oct, 2016 at 17:16, Prakash Gotimukul

<gprakash31@gmail.com> wrote:

 Who gave the design parameters? If given by client then, design it to that. Not the service parameters.

Rgds

Prakash Gotimukul

AIS, Consultant ASME/ISO/PED/IBR

 gprakash31@gmail.com.

 Mob:+97152 979 5678

On Mon, Oct 10, 2016 at 2:09 PM, 'raj susi' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear Experts

Good day to all.

I reviewed a DVR as per the attached, 

Design parameters:- 

Max working pressure 5000 psi.

Design temperature -20 deg F to 250 deg F.

Service Sour 

Service Material class EE NL.

Here, SERVICE of the product is as below,

EE denotes sour SERVICE=SAME AS DESIGN REQUIREMENT.

N denotes -50 to 140 deg F. & L denotes -50 to 180 deg F.

So we can combine and get NL as -50 to 180 deg F. NOT SAME AS DESIGN REQUIREMENT.

MY QUESTION IS -

DOES THIS PRODUCT SERVICE MATCH WITH DESIGN REQUIREMENT? 

Do we need to change the lower/higher temperature limit of design/service or it can be the same?

Please give your valuable. comments on this subject.

Regards 

Raj 

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Sent from Yahoo Mail on Android

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