In fact a floor flange is only used to make a supporting pier from pipe materials it is never used for pipes with any flowing fluid inside the pipes.
How to install a gas line floor flange.
The the other day i was at a friend s house with an outdoor grill and saw a floor flange.
If using a pipe thread sealant tape wrap it around the threads and insert into the fitting.
It can come loose inside the pipe and can clog the line.
In my limited experience i ve only seen these flanges used for non plumbing purposes by guys who build shelves furniture with black pipe.
Threaded flange find applications in areas in which hot work welding burning and grinding is undesirable.
Again you are correct that a gas valve is needed near the dryer.
In a typical gas line installation teflon tape or pipe joint compound should always be used on the threads to insure there are no leaks.
The gas valve is installed to the treads of the compression nut after it the nut is installed into the flange.
You do not need a floor flange and a floor flange is not made to couple two pipes.
The yellow pipe you attached to the flange can then be attached to a black pipe fifing with the proper fittings.
Coat the threads of the pipe ends using pipe dope.
I did it myself and i have some great practical advice for installing a natural gas stove in your home.
Its not like a coupler for instance where a pipe can screw into both sides.
Then use the adapter included with your hookup kit to connect the flexible gas line.
Remember to apply pipe thread compound or gas rated teflon tape to the threads on threaded connections before assembling them.
I also had to add onto the existing natural gas supply line in my home to make this work.
Threaded pipe flange is supplied with a tapered internal thread that the pipe screws into.
It s been quite an ambitious learning experience for me but it s also been a rewarding one as well.
On the stove end use another flare to pipe thread fitting.
Flare joints rely on a tight fit to seal and don t require additional sealant.
