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Crossmain to Branch

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engggu

Mechanical
Apr 4, 2021
39
Hi experts!

Do we have minimum riser nipple length for connections of cross main to branch?

Due to ceiling height limitation, I used a tee connection instead so as to achieve minimum length of 25mm from sprinkler deflector to ceiling slab.

Thank you in advance.
 
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Riser nipples are not mandatory. You can have the branch lines tying on the main on each side to allow for more space against the ceiling.
 
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