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Technical Discussions
AJIT P
Engineering, Inspector
V.J.T.I., India, Joined Feb 2009, 8

AJIT P

Engineering, Inspector
V.J.T.I.,
India,
Joined Feb 2009
8
12:32 May-15-2009
Thredolet

can anybody tell me what is thredolet, weldolet, sockolet, there difference?
Regards

    
 
 
Roger Duwe
NDT Inspector, API-510, 570, 653
MISTRAS, USA, Joined Jan 2009, 148

Roger Duwe

NDT Inspector, API-510, 570, 653
MISTRAS,
USA,
Joined Jan 2009
148
20:17 May-15-2009
Re: Thredolet
In Reply to AJIT P at 12:32 May-15-2009 (Opening).

O'lets are an American invention, from Bonney Forge. They are a family of integrally reinforced branch connections. Thread-o'lets are internally threaded with male NPT. Sock-o'lets have a socket welding opening, and Weld-o'lets are a butt-weld connection. They address the reinforcement necessary to make a branch connection onto a heavy-wall large pipe. Usually a coupling is sufficient for branch openings in STD or Sch 40 pipe, and is usually insufficient on Sch 160. The o'lets are heavy enough that no calculations are required, and no further reinforcement needed.

Please see tha attached web address.

http://www.bonneyforge.com/branch_prod.cfm?id=2

    
 
 

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