Re: [MW:13158] Clarification on U & PP Stamp for Boiler Down Comer Reg.,

Hi,

Down comer welded to steam drum at site is not coming under PP stamp. You can make MPDR before send to site and you can weld at site and include in the MDR. Since its a boiler..it will be under S stamp

 

Thanks & Regards,

(Karthik)

Karthikeyan.S

QA/QC Manager

Getabec Energy Co.,Ltd.

379,Moo6,Soi8,Nikhomphatana,

Rayong-21180,

Thailand.

Phone: 0066 38 897035-8 (Off)

Fax: 0066 38 897034

Hand Phone: 0066 892512282

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From: kcrtechnical <kcrtechnical@gmail.com>
To: materials-welding@googlegroups.com
Sent: Wednesday, December 7, 2011 2:18 PM
Subject: [MW:13157] Clarification on U & PP Stamp for Boiler Down Comer Reg.,

Dear ASME friends,

 

We have a supplier, Who supplies Boiler Shell,Steam Drum and Down comers. The Downcomer pipes used to connect Boiler Shell and Steam drum at site by some other contractor.

 

I like to know, whether assembly and welding of down comer piping at site comes under PP Stamp

 or,

we can make under U Stamp category considering total assembly is one unit, if so then we may have to issue MPDR's at shop for Boiler Shell and Steam drum and finally MDR at site.

 

Please comment.

 

Best regards

K C R

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