Welcome to the aboveground storage tank forum, a bulletin board dedicated
to tanks, fuel tanks, plastic tanks, fuel storage tanks, and above ground storage
tanks (AST) API650, API653 & UL142
aboveground storage tanks (AST) and chemical plastic tanks. Remember the forum
is made up of volunteers from experts to beginners. Unfortunately, we cannot allow free commercialism that promotes products, services, or sites.
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change of drain pipe - Thursday, December 30, 2010 - MIROSLAV [879]
allowed by regulation to make the change of a drain pipe of the tank by completely removing the pipe and put a new one?? is allowed to grind the welds in both the body and the reinforcement and welded the new pipe?? some benchmark API 653?? attached picture showing corrosion in actual drain pipe and it´s diagram thanks
Click on picture for full size view or to view PDF!
Re: change of drain pipe - Thursday, December 30, 2010 - BABRTs 973 [53]
It may be the picture but that does not look like Sch 80 to me. You could put a new nozzle in if it is not sch 80 or if it is gouge the weld and pipe off inside and install a new piece of pipe. MT/PT the weld and test the re-pad.
Re: change of drain pipe - Tuesday, January 04, 2011 - MIROSLAV [879]
pipe is 4 SCH 80, according to construction plans. the shell of A-36 tank is 5 mm thickness. the flange is 4 150 # A-105. it has strengthened the connection on the outside of the tank that has the same shell specification
Re: change of drain pipe - Tuesday, January 04, 2011 - MIROSLAV [879]
pipe is 4 SCH 80, according to construction plans. the shell of A-36 tank is 5 mm thickness. the flange is 4 150 # A-105. it has strengthened the connection on the outside of the tank that has the same shell specification
Re: change of drain pipe - Tuesday, January 04, 2011 - DavidR@Fast.net [39]
Based on your information, Id say there is no problem cutting it out and welding in a new one, with qualified welders using proper weld procedures and standard NDE.
Re: change of drain pipe - Sunday, January 02, 2011 - karsadi [652]
For detail and clear comment, it better you mentions the required data of existing tank from existing Nameplate or datasheet of tank. Yes you can do, to make the change of a drain pipe of the tank by completely removing the pipe and put a new one and please read more detail of ADDITION OR REPLACEMENT OF SHELL PENETRATIONS from API 653. karsadi
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ETANK2000: The #1 CAE tool for aboveground storage tank design / re-rating / inspection evaluation to API-650, API-620, API-653, & UL-142
AMETank (comming soon): All of the ETANK2000 engineering / code calculations plus Bill of Materials, Fabrication Drawings, and (soon) Estimating.
4611 Broad River Road, Suite I
Forum 
allowed by regulation to make the change of a drain pipe of the tank by completely removing the pipe and put a new one?? is allowed to grind the welds in both the body and the reinforcement and welded the new pipe?? some benchmark API 653??
.jpg)
It may be the picture but that does not look like Sch 80 to me.
For detail and clear comment, it better you mentions the required data of existing tank from existing Nameplate or datasheet of tank.
Industrial Training School and AIS Forensic Testing Laboratory.
