Threaded/Screw Fitting for Fuel Gas Service
Threaded/Screw Fitting for Fuel Gas Service
(OP)
Hi,
There is some concern to use threaded/screw fitting for fuel gas line (150 Ib rating) for our newly installed fired heater.
Normally our company standard is to weld.
Any advise?
Thanks
ppm
There is some concern to use threaded/screw fitting for fuel gas line (150 Ib rating) for our newly installed fired heater.
Normally our company standard is to weld.
Any advise?
Thanks
ppm





RE: Threaded/Screw Fitting for Fuel Gas Service
What do you want US to do about it?
You might want to re-read it, and see if it allows threaded pipe below some threshold of size. You didn't give us a clue about that.
Mike Halloran
Pembroke Pines, FL, USA
RE: Threaded/Screw Fitting for Fuel Gas Service
We didn't realize it until it was delivered to site for site erection.
Just checking whether is it common to have threaded connection for below 4" line (150Ib rating) for fuel gas service.
RE: Threaded/Screw Fitting for Fuel Gas Service
Some of the specs I've read recently specifically allow threaded pipe in sizes 2" and under for low pressure services like fuel gas. It must be an old paragraph; my shop crew automatically butt welds 2" and up if they possibly can.
Mike Halloran
Pembroke Pines, FL, USA
RE: Threaded/Screw Fitting for Fuel Gas Service