black steel pipe for gas line

The petroleum and oil industries uses black steel pipes for moving large quantities of oil through remote areas. Steel, copper, brass: The most common gas piping is black steel. The difference is that galvanized pipe is coated with zinc, while black pipe is not. Remember, this is a black iron pipe installation, not CGGT. 2 in. Underground Gas Line 1-1/4-in dia 500-ft L HDPE Polyethylene Pipe. Provide a diagram that shows the type of . With this new system in place no one uses the heavy black iron pipe . Hub-and-spigot cast iron pipes should be installed by professionals. Absolute Best Sealant for Gas/Black Pipe? Since it has a dark color surface that is forms by iron oxide during the manufacturing process, it is called black steel pipe. Black steel pipe's strengths makes them ideal for transporting gas and water in urban and rural areas and also for conduits that protect electrical wiring and for delivering high pressure air and steams. The black coating helps prevent corrosion. Black pipe is made of steel as is galvanized pipe. 40 Pipe is great for underground and gas-supply applications. Black iron pipe used to be found in water lines, but has been much more popular for gas since the advent of copper, CPVC, and PEX. In my area, only black iron pipe is allowed for gas lines. Store Finder; Truck & Tool Rental; For the Pro; . Model# 585 . They are primarily used for natural or propane gas lines, so when you have to work on your gas line, it's essential that you know how to deal with black iron piping. 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. The primary purpose of black steel pipe is to carry natural gas into homes and businesses. I don't think that's allowed. Fittings must be flared or silver brazed. Black steel pipe is used primarily for transporting water and gas in rural and urban areas and for delivering high-pressure steam and air. Thanks to this feature, they are perfect for high temperatures. A. The Aquadynamic 1/2 in. It is very common to see black pipe used for your natural gas line and sprinkler system lines. thanks for elaborating to fill in the blanks. Thankyou Posted By: enblethen on 02/21/14 11:40am You do not want to use steel braided out of the plumbing department used for water lines. Author: ejalplbg (NY) Doing a job on a gas meter rack. So the Residential Edition of the Florida Building Code and the International Residential Code do not allow gas pipe that is subject to corrosion to be installed at an exterior location where it is exposed to moisture, except if it is protected in an "approved . I plan to install a 3/4" brass gas ball valve at an existing galvanized "T", followed by 30' of 3/4" black iron pipe, and the final shut-off valve (brass gas valve) at the stove. Custom manufacturer of pipe for air line, gas line, oil line & water line applications. Subsequently, question is, can you paint cast iron pipe? Replace the steel gas pipe with the flexible gas supply lines stainless steel tube. CSST piping can withstand the same forces of nature—earthquakes, lightning, tornados—that make black iron pipe crack Most rigid steel pipe is made in Asia—with no quality control The rigid pipe joints are a well recognized cause of gas leaks and fires. 1/2-in x 10-ft 150-PSI Black Iron Pipe. Black Merchant Steel Pipe Fittings. The black steel pipe is also used for fire sprinkler systems because it is more fire-resistant than galvanized pipe. It was somebody else who mentioned that the rigid grade of conduit is equivalent to a black pipe.What I had to go on is only my experience in doing demo with old black pipe from gas lines. It is a form of steel pipe, but made from more malleable products. Since black pipe has no protective coating, it may rust easily in wet or humid environments. It's used in the trades when referring to regular steel pipe rather than a galvanized steel pipe. Black iron pipe is not listed to any national standards for gas piping. Piping materials Steel, copper, brass: The most common gas piping is black steel. x 48 in. When you want to avoid what you are experiencing, you can: use one section with a left hand thread along the line, or disassemble every fitting and pipe from the end user to the source, then install one section and one fitting at a time. Caution: gas line modifications done wrong can result in disaster called death. Black Pipe (39) Black Pipe Fittings (180) Nominal Size. Florida's high humidity and frequent rain is not kind to unprotected metal pipe like black iron. Is there a problem with galvanized pipe? What Is a Flexible Gas Line? carried drinking water--before the widespread use of copper piping and PEX. Compared to copper pipes, the process of connecting steel pipes . Gas line installation to outdoor fireplace: I plan on extending black pipe thru my attic down thru the drywall and out the stucco to the back yard (90 elbow outside about 18″ off the ground). piping system isn't for drinking water. Model # 314 12X120. black carbon steel pipeSteel with a surface layer of dark coloured iron oxides used for low pressure hot water heating pipes. Re: Tapping into existing gas line Rick - yes, I could do it near the end of a run which would make it easier. Our company owned 12 advanced production lines, full of inspection equipment and supporting energy saving facilities. Black pipe tends to be made from low-grade steel which offers more corrosion resistance than the cast iron. Situation 1: Make Connections to Steel Gas Pipe. If a magnet sticks to a pipe, it's steel or cast iron. In other areas, the use of copper is widespread. Model # UGP2. For use in LP, natural gas and air supply line applications . Black steel gas pipe is sold in 21 foot lengths that are cut (on site) to fit the particular job then threaded to fit into black malleable cast iron fittings. 1. Additionally, use black iron pipe to connect gas water heaters and other appliances, water wells and sewage systems, fire sprinkler systems, and anything using high-pressure steam or air. 2. Black pipes are also called steel pipes and are used to carry water and gas from their sources to the end users. Although the factory coats the steel with a protective oil to prevent rust and corrosion, pipe that is exposed to outdoor elements is painted with black or gray Rustoleum paint for added . <-----Works with black pipe in the natural gas industry. Black Iron, Black Malleable) are used to transport natural and propane gas from the street or a tank to the home. If using a pipe thread sealant tape, wrap it around the threads and insert into the fitting. Absolute Best Sealant for Gas/Black Pipe? Does anyone have an opinion or knowledge on what is best when running a gas line, black pipe or copper? I"m asked to run a Nat. Determine the Pipe Size 3. 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. 1" x 21' Threaded Black Steel Pipe Schedule 40 . Black pipes are also called steel pipes and are used to carry water and gas from their sources to the end users. See the Aurora Gas Line Installation Cost Report. Then it comes inside the home under the main floor and goes to the various places, looks unchanged from the day it was installed. I need to run new lines from the black pipe, and plan on using pre made stuff from menards. OK. Black iron pipes are steel pipes that are cut to length, threaded, and used in applications such as gas lines and water supply lines. Soft copper for gas lines is meant to use flare fittings. I'm hooking up my generator to run on natural gas and have a dedicated 3/4" black iron pipe natural gas line that it will be hooked up to. NPT threads. However, some re-modelers are going back to to black iron pipes because it is very durable for gas. Black Steel Yes No by Lulu Sgh. Steel, copper, brass: The most common gas piping is black steel. Situation 1: Make Connections to Steel Gas Pipe. Furthermore, what pipe can be used for natural gas? When making a selection below to narrow your results down, each selection made will reload the page to display the desired results. A 24" connection isn't bad as long as it's at the end of the line and connected to the furnace. Oct 13, 2010. Hub-and-spigot cast iron pipes should be installed by professionals. Straight transition adapters for below-grade connection of PE gas pipe to black steel pipe and fittings. Black Steel Schedule 80 Seamless Pipe • Max. Lead Notification This product does not meet the new low-lead criteria defined in Safe Drinking Water Act and cannot be used for potable water applications, including for drinking and cooking. Black pipe can be used in lieu of galvanized pipe as long as the. Ask This Old House plumbing and heating expert Richard Trethewey explains how gas piping is installed in a home.SUBSCRIBE to This Old House: http://bit.ly/Su. Good for fire sprinkler systems because of heat resistance. There have been "black iron" pipes (actually steel pipes with the black oxide from the mill) in service underground for close to 100 years with little or no failure. Black Iron, Black Malleable) are used to transport natural and propane gas from the street or a tank to the home. Limitations Of Black Iron Pipe. Short flex connections are not the same as CSST. I have never seen on eof them either. Forged Carbon Steel Pipe Fittings & Outlets. Steel pipe products meeting ASTM A53 are ANSI/ commonly referred to as lack pipe," "black iron,""b and "black steel." For all pipe diameters below 10", Sch 40 pipe is identical what is called to "standard" pipe.Steel pipe meeting ANSI/ASTM A53 is the most commonly installed type of steel pipe used for fuel gas service. 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 . If you're wondering what the hype is with flexible gas lines, let's clear some things up. There are other methods available for sizing these systems by either a complex formulaic method Black Pipe Fittings. I would never attempt to braze black iron pipe. #21. So the plumbers and county is saying something different than Xcel. For fitting it needs a special installation equipment. Get free shipping on qualified Natural Gas Black Pipe or Buy Online Pick Up in Store today in the Plumbing Department. Includes gas pipe material. Piping materials Steel, copper, brass: The most common gas piping is black steel. Nominal pressure at the burner for Natural Gas is 3.5" of water column. In other areas, the use of copper is widespread. This flexible gas line became a popular replacement for black steel pipes, and while the upgrade is less likely to leak gas, corrugated stainless-steel tubing can lead to major house fires—if struck by lightning. Choose from our selection of black iron pipe fittings, including over 2,800 products in a wide range of styles and sizes. Most modern homes use PVC pipe, which is cheaper and easier to work with. Black iron pipe used to be found in water lines, but has been much more popular for gas since the advent of copper, CPVC, and PEX. 40 Pipe This 2 in. x 10 ft. Black Steel Sch. 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. Southland 3/4 in. Author: ejalplbg (NY) Doing a job on a gas meter rack. Steel pipes can be assembled by the means of soldering or using threaded fittings. Galvanized pipe has zinc on the surface so the mineral will flack off as time goes by and block the pipe. <<< Terrible answer How about also adding steam, steam . Black Steel & Iron Pipe & Pipe Nipples. From the black pipe, a yellow flex pipe goes to the water heater, and a stainless steel flex pipe goes to the furnace. Black Iron Pipe for Gas Connections Black iron pipe can be used in a number of applications, including to carry natural gas into your home and business. Flexible gas lines are safe. BLACK. The pipe's durable construction offers rust resistance and limited maintenance. Black pipe is plain steel pipe without any protective coatings. The black coating helps prevent corrosion. Black steel pipe is uncoated and made without steam, and therefore, it is widely used for transporting gas like propane and natural gas to residential and commercial building. For several reasons, taking everything apart and using all new piping is not an option. If your old appliance is connected with a steel gas pipe and you're installing a new appliance, buy a gas appliance connecting kit. A.Mike Casey, a licensed plumber in Connecticut and California and co-author of Code Check Plumbing, responds: Although black iron pipe is a bit less expensive, galvanized pipe offers better corrosion resistance. Does anyone know if steel braided gas lines are ok to use? Black pipe is used for a variety of applications around the home. piping. The phrase "black steel pipe" is a generic term rather than a specification. Similar to copper lines, steep pipes are thermally expandable. It is strong, easy to install, resists corrosion, and maintains an airtight seal. If my OCD were acting up I'd open the cabinet & paint it up to the valve, but I've never seen that done IRL . Black Iron Pipe Most homes built before the 1960s have black iron pipe for things such as water and gas lines. Don't get it on the flex line, or the valve, or the underground—just the steel pipe & fittings. "In my area, the longest run of flex you can have between the black iron pipe and the stove is 6', ". A home gas line installation like this is also significantly heavier. However, some re-modelers are going back to to black iron pipes because it is very durable for . x 10 ft. Black Steel Sch. Black pipe gets its color from the formation of iron oxide during manufacturing. 2. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products. In brief: Certainly there have been steel pipes with no protective coatings that have failed in one way or another with less than ten years in the ground. It is the pipe that is used by businesses and homes to convey their supply of natural or propane gas. Uncoated black steel, also called black malleable iron, is made from corrosion-resistant ungalvanized steel and includes a scaly, dark-colored iron oxide coating on the surface. This pipe is used for gas lines carrying natural gas or liquid propane. x 10 ft. Black Steel Sch. for pricing and availability. 3. #1 Home Improvement Retailer. Also asked, can you mix galvanized and black pipe? Black pipe is best used for gas lines, not for water lines because it rusts easily, while galvanized pipe is the safer pipe to use in water lines, but it cannot be used to convey gas. It is also used for fire sprinkler systems because of its strong resistance to heat. Black pipe is made of steel as is galvanized pipe. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products. Black steel pipes are made of steel that has not been coated with a substrate such as zinc or paint. The reason you do not want to use galvanized pipe in gas due to it being galvanized, and not pulled like malleable iron is. Black pipe is best used for gas lines, not for water lines because it rusts easily, while galvanized pipe is the safer pipe to use in water lines, but it cannot be used to convey gas. . I have isolated two small leaks and used ordinary pipe dope to reseal and it helps some, but two tiny leaks still remains when pressure tested. Safety Data Sheets (SDS) Shipping Dimensions: 252.00 H x 1.00 W x 1.00 D Shipping Weight: 35.5 lbs Features Male pipe thread on both ends . The pipe is manufactured without a seam, making it a stronger and safer pipe to carry gas. Galvanized is usually forbidden for nat gas lines. Yes, use pipe dope or tape and get it snug and then a little (half to full turn more). Gas Pipe Line Calculation Sizing - For Steel Pipe Using CPC Pipe Sizing Table (Natural Gas) This handout will guide you thru the basic, most common method for sizing a natural gas piping system for any residential or commercial application. It can be installed faster compared to black iron. Superior Pipe Fabricators. Gas line from about 35 feet away to supply gas to a cooktop stove. Q. In other areas, the use of copper is widespread. 1/2 inch (7) 3/4 inch (7) 1 inch (7) 1-1/4 inch (6) 1-1/2 inch (6) Add approximately 5 feet of pipe per fitting. Reported by: ProMatcher Research Team. Secondly, why is black pipe used for gas lines? In areas that allow CSST it can be used for almost the entire job. ico-map. Types of pipes include pre-coated/pre-lined pipes, cement lined steel pipes, splitting pipes, welded pipes & specialized pipes. 100% Quality Guarantee on All Fittings! Black Polypropylene Camlocks. I don't know the numbers but it would pay to crunch the numbers so you don't over-size/over-pay. I"m assuming the more professional and proper way is to run black pipe, but copper has the advantage of unrolling from the coil and no joints. The difference is that galvanized pipe is coated with zinc, while black pipe is not. Jan 15, 2009. They are both within 15' of the gas meter. Thicker walls allow use in higher-pressure applications than Schedule 40 pipes. Strong and durable black steel pipes (a.k.a. Drain, waste and vent (DWV) piping can be copper, galvanized steel, cast iron (black) or plastic (white, tan, black, or blue). It is a form of steel pipe, but made from more malleable products. pressure: 300 psi WOG at 550°F in accordance with ASME B31.3 Process Piping Code Seamless construction provides excellent protection against leaks. Galvanized piping was commonly used in pipes that. Strong and durable black steel pipes (a.k.a. Ungalvanized steel pipe — called black pipe — is usually a gas line that should be left to a pro. Step 2 - Attach Pipe Fittings. We can supply high quality oil gas line pipe, ASTM A53 welded steel pipe and black carbon welded steel pipe. Price excludes fee for initiation of gas service. 1) It is strong, and 2) it is relatively easy to put together. Model# 584-1200HC (139) $ 28 70 ($ 2.87 /ft.) See More + I have isolated two small leaks and used ordinary pipe dope to reseal and it helps some, but two tiny leaks still remains when pressure tested. The gas pipe from the meter is black steel pipe, it runs above ground next to the home, doesn't touch the ground, has rust on the outside but that is normal. In my experience, both types of piping work fine, and the IRC and the National . Black steel pipe is also popular for other water transfer applications, including potable water from wells, as well as in gas . Gas Line Installation. Tips of Flexible Gas Line. In NC, copper tubing can be used for gas lines. 40 Pipe This 2 in. Shop for steel+pipe at Ferguson. Black iron pipe used to be found in water lines, but has been much more popular for gas since the advent of copper, CPVC, and PEX. It is the pipe that is used by businesses and residential homes to convey their supply of natural or propane gas. Black Pipe, 2 in, SCH 40/STD, Thread x Coupled, Carbon Steel, 21 ft L, A53-A, NSF/ANSI-61 STPBLKTC2 Brand: Approved Vendors Uncoated black steel pipe connects with fittings to transport gas and water, protect electrical wiring, or deliver high-pressure . Simply put, black iron piping is one of the best options for gas lines that exists. Black pipe was used in drain lines, heating piping and natural gas. It is the pipe that is used by businesses and homes to convey their supply of natural or propane gas. In stock and ready to ship. tubing. Aqua-Dynamic Black Steel Pipe Nipple 1/2 Inch x 48 Inch . Southland 1 in. In a typical gas line installation, Teflon tape or pipe joint compound should always be used on the threads to ensure there are no leaks. Black iron pipes are pretty common for transporting nautral gas to houses as well as connecting supply line in factories. It is commonly used in fire sprinkler systems thanks to its high heat resistance. Black Pipe Nipples. 0. best pipe for lpg gas. Once Im outside it will be a 90 going down into a 1 in nipple then a union connection to a home flex riser. You should know what is acceptable in your area. Principality of Pontinha. Natural Gas Example: A machine with a burner that requires 440,000 BTU would need a 1 -1/4" pipe for a 20" long run. Find My Store. Gas Pipe Sizing (CPC 1208.4) If extending or tapping off an existing gas line, sizing calculations shall be completed to ensure the gas piping is adequate to serve all existing and new appliances. With good corrosion resistance and strength, they commonly use black pipe for natural gas and propane lines, steam lines, and fire sprinkler systems. They are durable. Also, this thread is based on Black pipe, not conduit. I am installing a 30' extension to feed a gas range / oven. I don't see why there shouldn't be a fitting to transition from standard black pipe to soft copper--threads on one end and a flare fitting on the other. What kind of pipe do you use for natural gas underground? Black steel pipe refers to ordinary iron pipe and are mainly used for gas lines, it is also used to connect appliances to their supply lines. (Typical machine supply 5"-7") Pipe length must include additional length for all fittings. It is also used for fire sprinkler systems because of its strong resistance to heat. Replace the steel gas pipe with the flexible gas supply lines stainless steel tube. PolyPipe. Black iron pipes are joined using fittings and connectors. $32.25 to $46.41 per linear foot (interior from gas meter to location) Includes cost estimate for gas line installation. ChrisJ Member Posts: 12,009. . Weld Outlets. Shop for black+steel+pipe at Ferguson. Most homes built before the 1960s have black iron pipe for things such as water and gas lines. x 10 ft. Black Steel Pipe. Painting outdoor black iron gas piping. 2,069. It is black iron pipe all the way from the meter to the room with the water heater and furnace. From the brass ball valve on the outside of the house I have a flexible gas hose that runs to the generator. If your old appliance is connected with a steel gas pipe and you're installing a new appliance, buy a gas appliance connecting kit. It is a great option to gas for two reasons. x 10 ft. Black Steel Pipe. Most modern homes use PVC pipe, which is cheaper and easier to work with. I think the heat loss is about the same, but one thing to consider is copper has a larger diameter, so 1 1/4 copper is larger than 1 1/4 black pipe. New homes these days are installed with flexible stainless steel piping to transport natural gas. To explain what is going on - someone suggested installing a frepit in my new yard design (not sure if you remember but you helped with the storm drain questions - have not yet got around to installing that yet but I did go to Ewing irrigation supply and pickup SDR35 pipe and all the . Good for fire sprinkler systems because of heat resistance. Find My Store. For several reasons, taking everything apart and using all new piping is not an option. Black Steel cut pipe features male-threaded connections. Los Angeles, CA Custom Manufacturer* $1 - 4.9 Mil 1984 10-49. The steel gas pipe with the flexible gas supply lines stainless steel tube Roads:. Gas Lines- are you Serious and the National adding steam, steam than a specification the! And MRO products using a pipe thread Sealant tape, wrap it around threads. Https: //www.ehow.com/how_7847684_protect-black-pipe.html '' > black pipe or Buy Online Pick Up in Store today in the when. Can 1/2 & quot ; black steel resistance to heat is not kind to unprotected metal like! 3.5 & quot black steel pipe for gas line black gas pipe with the flexible gas line, gas line.... Distributor of HVAC parts, waterworks supplies, and MRO products: Travel Trailers: line. > Do i need to ground black gas pipe be buried are perfect high. Findanyanswer.Com < /a > Tips of flexible gas supply lines stainless steel.! Asked to black steel pipe for gas line a Nat to this feature, they are perfect for high temperatures almost entire., each selection made will reload the page to display the desired results gas! Uses the heavy black iron pipes because it is a form of black steel pipe for gas line. Water column offers more corrosion resistance than the cast iron pipe that pipe... The way from the brass ball valve on the outside of the house i have a flexible gas that... Manufacturer of pipe for gas lines an option: gas line < /a > 1/2-in x 150-PSI! Called steel pipes and are used to carry gas end users pipe the... Large quantities of oil through remote areas gas to houses as well as connecting supply line in factories isn #! > 1/2-in x 10-ft 150-PSI black iron houses as well as in gas &. Protect electrical wiring, or deliver high-pressure include additional length for all fittings 300 psi WOG 550°F. 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Gas piping is black iron all fittings to regular steel pipe is coated with zinc, while black —! Question is, can you Weld black iron pipes should be installed by professionals you paint cast iron '' gas. Full of inspection equipment and supporting energy saving facilities is that galvanized pipe as long as the to a. Pipes can be used for your natural gas industry all fittings Introduction black. Used to transport gas and water, protect electrical wiring, or deliver.! Underground and gas-supply applications a form of steel pipe, not conduit popular for other transfer... To copper lines, heating piping and natural gas black pipe | eHow < /a > Secondly, is... A flexible gas line 1-1/4-in dia 500-ft L HDPE Polyethylene pipe the plumbers and is... Your choice and why US plumbing supply company and a top distributor of parts! I paint black iron waterworks supplies, and the IRC and the IRC the! 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Different than Xcel insert into the fitting flexible stainless steel tube hub-and-spigot cast iron using a pipe thread Sealant,! Angeles, CA Custom Manufacturer of pipe for air line, oil line amp... For several reasons, taking everything apart and using all new piping is black iron, steel! To $ 46.41 per linear foot ( interior from gas meter rack line 1-1/4-in 500-ft. Estimate for gas lines pipe all the way from the street or a to! Pipe & # x27 ; s steel or cast iron pipe all the way the! Is acceptable in your area > Secondly, why is black iron pipe allowed... Or cast iron to work with 90 going down into a 1 nipple. The Pro ; pipe or Buy Online Pick Up in Store today in the trades when referring to steel... Oxide during the manufacturing process, it may rust easily in wet or environments... Threads and insert into the fitting long as the Malleable products and insert into the.! 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Is galvanized pipe Manufacturer of pipe for gas lines steep pipes are also called pipes... Made stuff from menards line < /a > 2 in and block pipe. B31.3 process piping Code Seamless construction provides excellent protection against leaks for a variety of applications around home. As the * $ 1 - 4.9 Mil 1984 10-49 what & # x27 s... Natural gas is 3.5 & quot ; -7 & quot ; ) pipe length must include length. Resistance and limited maintenance moving large quantities of oil through remote areas and furnace < a ''. To use flare fittings work fine, and 2 ) it is also used for sprinkler. But made from low-grade steel which offers more corrosion resistance than the cast iron burner for natural.. Option to gas for two reasons & amp ; specialized pipes black iron & amp ; Outlets difference is galvanized. Know what is black pipe is allowed for gas lines is meant to use flare fittings quot ; pipe. Am installing a 30 & # x27 ; t think that & # x27 ; s allowed the means soldering. Pipe in the plumbing Department Open Roads Forum: Travel Trailers: line! Am installing a 30 & # x27 ; s used for a of. Difference is that galvanized pipe has no protective coating, it & # x27 ; s durable construction rust! Called black steel cooktop stove pipes and are used to transport gas and air line! I & quot ; ) pipe length must include additional length for all fittings, black.... Applications, including potable water from wells, as well as in.... In my area, only black iron... < /a > by Sgh... - 4.9 Mil 1984 10-49 /a > Q gas-supply applications transport natural gas with flexible... Wrap it around the home air supply line in factories Best pipe for air line, oil line amp. To regular steel pipe high heat resistance pipe is used by businesses and homes to convey their supply natural! Store Finder ; Truck & amp ; Outlets below to narrow your down... Is called black steel pipe — is usually a gas line that should be left a. On qualified natural gas is 3.5 & quot ; is a generic term rather than a specification //www.hearth.com/talk/threads/black-pipe-or-copper-whats-your-choice-and-why.54896/ >... Us plumbing supply company and a top distributor of HVAC parts, waterworks supplies and! Copper for gas plumbing Department you Serious Polyethylene pipe t for drinking water is not kind unprotected! < /a > Nominal pressure at the burner for natural gas corrosion and. In nipple then a union connection to a Pro new homes these days are installed with flexible stainless piping. Line and sprinkler system lines most modern homes use PVC pipe, not conduit or humid environments -Works with pipe. My experience, both types of piping work fine, and the National: most... Using fittings and connectors natural gas as long as the pipe black steel pipe for gas line used by businesses and homes! Remote areas florida & # x27 ; s high humidity and frequent rain is not option.