You cannot measure an angle using a ruler.
using wind turbines !
what is the advantafe of using this type of propagation
Using a kite.
"Science" is not an acronym.
There are many types of weldolet fittings. There are different sizes to fit different items.
Weldolet has a Bevelled end to butt weld the pipe whereas in sockolet the pipe/tube goes inside it and there it is fillet welded.
Weldolet is used for Butt weld branch connection where standard tee is not available due to size restrictions and the piping is of critical / high pressure service.
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what is difference between weldo lite and threadolites
A weldolet is a fitting you weld on a (run) pipe, and then butt weld a branch pipe to it. A tredolet is a fitting you weld on a (run) pipe, and then screw a threaded branch pipe to it. Some people call this a threadolet A sockolet is a fitting you weld on a (run) pipe, and then socket weld a branch pipe to it. A nipolet is the same as a weldolet or thredolet but has an elongated branch connection. You have to specify if it's a welded or threaded nipolet.
A wedolet is a butt-weld branch connection. It is used to minimize the stress concentration and to provide integral reinforcement.
Weldolet and Sockolet are basically self reinforced fittings. Weldolet is used for Butt weld branch connection where standard tee is not available due to size restrictions and the piping is of critical / high pressure service. Sockolet is used for socket welding branch connection, which require reinforcing pad.
A Weldolet is a butt-weld branch connection. It is designed to provide integral reinforcement and minimize stress. They are made to match or exceed the schedule of the pipe.
Weldolet is a trademarked name by Bonney Forge for internally reinforced forged branch outlet fittings. Pipet is a trademarked name by WFI for internally reinforced forged branch outlet fittings. Both comply with MSS SP-97 Internally Reinforced Forged Branch Outlet Fittings - Socket Welding, Threaded and Buttwelding Ends. Referenced in ASME B31.3-2020 304.3.1 a) (1). They are the same
There are size on size weldolets. The hold on the run pipe will necessarily be undersize (either hot tap or torch ) because it's not possible to cut the same size hole in the run without damaging the base material.
The meaning of dia inch is the number of weld joints multiplied by the dia of a given pipe size, since the weld joints is on the 6" pipe, the calculations should be 1 weld x 6" = 6 dia inch.