How To Install A Gas Pipe Floor Flange

The yellow pipe you attached to the flange can then be attached to a black pipe fifing with the proper fittings. Coat all threaded pipe connections with pipe thread compound before assembly. In my limited experience i ve only seen these flanges used for non plumbing purposes by guys who build shelves furniture with black pipe.

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Step 1 cut and thread the pipe.

How to install a gas pipe floor flange.

The the other day i was at a friend s house with an outdoor grill and saw a floor flange. Most domestic gas lines use 1 2 inch 1 27 cm through 1 1 2 inch 3 81 cm black pipe while large commercial projects sometimes use larger fittings up to 8 inch. You do not need a floor flange and a floor flange is not made to couple two pipes. 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.

If you know exact elevation you can customize the nipple length accordingly. Use a 90 degree elbow at the stove to avoid kinking the gas tubing when you push the stove against the wall. From 1 2 to 1 1 2 pipe the face of a fitting to face of another fitting you add 3 4. Installation is work intensive but straightforward.

Threaded pipe flange is supplied with a tapered internal thread that the pipe screws into. If necessary use a bushing to reduce the existing 3 4 in. You start by measuring the run length and cutting the black iron pipe accordingly. The valve shown has 1 2 in.

Also be sure to check with your local authorities when installing a gas pipe as there may be local codes in place that you must obey for both legal and safety purposes. Female pipe thread to 1 2 in. The gas valve is installed to the treads of the compression nut after it the nut is installed into the flange. Female gas pipe threads on both sides.

Again you are correct that a gas valve is needed near the dryer. No turning drilling or machining whatsoever is needed. Otherwise i like min 1 in above flange to top of nipple for gas valve space. Like i wrote above simply slip a 3 4 in flange over a 1 2 in pipe.

Takes me about one mintute to prep and weld in my shop. Threaded flange find applications in areas in which hot work welding burning and grinding is undesirable.