Use of Pipe Straps to support piping

[PEDARRIN2]

I have an application where I have a concrete ceiling which is 7' above the floor. I need to run ~2" sprinkler branches in this area.

I can use a pear shaped hanger which will put me ~6" down.

I want to know if it is possible to use two hole pipe straps to support the piping flush with ceiling to maximize clearance.

 

[gouveia]

It is possible, but very difficult. How do you thread the pipe together when it is tight to the ceiling?

A quick check of the dimension of a standard 2" 'swivel loop hangar' indicate you could probably get a 2-1/2" center line. Saves you a couple inches. Of course you still have to consider the pendent depth that stick down 3 more inches. You probably have already considered various pipe routing and sidewall possiblities, so I can think of any other good options.

http://www.reliablesprinkler.com/system/hangers/Erico 6 - Loop Hangers.pdf

 

[PEDARRIN2]

I have thought of the swivel loop hanger. That gets me down to about 6" to the bottom of the pipe. I was just trying to get it up higher if possible.

If I can use a pipe strap, I would probably run the piping slightly off the ceiling so I could make the joints.

Another problem I have is that I have to put a cage on the sprinklers. This will add to my height that will make my piping go even lower, maybe even to 8"-9" below the ceiling. I want to use an upright head so that I can keep the sprinkler as high as possible.

This is going to be a real head bumper.