Flow splitting a Tee

adavis

good day, I am looking for some opinions on the subject of Flow splitting a Tee. were a tee is fed into the branch, and split into two runs supplying two locations or appliances. is the pressure drop, turbulence or split amounts higher then adding an elbow to the the tee to change direction, In this case natural gas is used.

I have added pictures or clarification






Thank you for you time

HVACNUT

There's no change but I would put some distance between the tee and elbow.
No close nipples. (Like the pic is showing)
No street elbows.
Use bell reducer couplings. NO bushings.

EBEBRATT-Ed

@adavis

feeding into the branch of the tee is called "bullheading" and it should be avoided it's not considered "good piping practice"

However, it is done and if the pipe is "oversized" there will probably be no issues. But on a new job why not just avoid it?

In your picture circled red put the feed into the run of a tee on the 30' pc and feed 1 appliance off the branch of that tee. The other end of the tee gets a nipple and a 90 to feed the other appliance

Danny Scully

@HVACNUT, no close nipples or street elbows? What do you work for the gas company?

EBEBRATT-Ed

Close nipples and streets are ok in MA, no galvanized, bushings or cast iron (usually, cast iron has a few exemptions)

adavis

Thank you everyone for the information