Is there an LR version of the reducer tee?
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For example, in the material specifications for a DN100*80 reducing tee, two different materials are listed, each with its own set of technical requirements: 20#GB/T8163 BW LR GB12459 (Series I) and 20#GB/T8163 BW GB12459 (Series I). What does this reduced-diameter tee with an LR mean?
It’s probably a typo; GB12459 specifies only one size, with the outer diameter having several variations
Only elbows have LR, right? However, the material list provided by my design institute for the reduced-diameter tee lists two different technical requirements for the same DN100*80 specification. There’s an extra LR
Ask the design institute; could it be a special part?
:Lol, maybe it’s a reducer. .
The LR designation means elbow 1.5D
I’m not very familiar with this topic; you can refer to the answer above – it’s quite good
Only 90-degree elbows should have a distinction between long radius LR and short radius