In the commentary of the International Fuel Gas Code (IFGC-2012) under Section 403.4.2 for steel and wrought-iron pipe it states: "Steel pipe must be Schedule 40 or heavier, must comply with one of the listed standards and can be black iron or galvanized. Re: Galvanized Pipe For Natural Gas? Over time pieces of the galvanized steel will flake off and clog up all of your gas regulators and burner units, to my knowledge there is no reaction between the metals and it is legal to use them together in under IAPMO code
It could be anybodys guess when it comes to galvanized pipe being allowed now. Galvanized pipe is used for natural gas lines and pressure vent lines, and for electrical conduits. The zinc coating will sacrifice (more active or anodic) to the steel ;its coating deteriorated the galvanized steel pipe will corrode (rust), transfering its corrosion process to the lacquered black steel pipe, a.k.a.
The code fully includes galavanized pipe among the piping materials that can be used for both natural gas and LP systems. TDD. hey all-let's just say this topic has been beat up and down my office, and assume that i don't care what any installers OPINIONS are in regard to if you are or if you are not allowed to use galvanized steel pipe for propane The rules and inspectors in my area do not allow galvanized pipe use on natural gas systems. Not correct the IFGC in both the 2006 and 2012 Editions allow galvanized pipe to be used for natural gas. In some areas plastic pipe is allowed underground (with electric wire above it to allow for locating of that plastic gas pipe as well as warning tape above that pipe as well). "black iron pipe". In the commentary of the International Fuel Gas Code (IFGC-2012) under Section 403.4.2 for steel and wrought-iron pipe it states: NG pipes are not oxygen free environments, nor are they "water free". Although galvanized (zinc-coated) pipe is still considered to be a safe transport material for drinking water , there are some potential health concerns if the water supply is corrosive due to its acidic … Black iron pipe is more commonly used than galvanized. the sulpher content is the issue with copper. Is it safe to drink water from galvanized pipes? One reason is because it is less expensive than galvanized pipe for gas. is legal here. ” The code fully includes galavanized pipe among the piping materials that can be used for both natural gas and LP systems.” R102.4 Referenced codes and standards. Galvanized steel, copper, brass or CSST (Corrugated Stainless Steel Tubing) also can be used in some areas, but some utilities specifically prohibit the use of copper. Sulfur/sour gas should not use galvy. As a water supply or drain pipe, it is subject to rusting over time. The natural gas pipeline of special aluminum-plastic pipe is made of aluminum-plastic composite pipe with welded aluminum pipe as the intermediate layer, inner and outer layers are made of polyethylene plastic, and the inner and outer layers of the aluminum layer are bonded by hot melt adhesive, and the natural gas pipeline is integrated into one by special mechanical processing method.