Each of the main burners are rated to output 13,000 BTUs, while the side burner is rated at 10,000 BTUs and the rear is rated at 18,000 BTUs. Price and other details may vary based on size and color. Cooktop burners typically supply about 40,000 BTUs per hour. Burner Jet (BJ) Valves (VA) Drills, Reamers, & Broaches. 5.0 out of 5 stars 6. All of the orifices I have are made of brass. One gas range I had years ago came prepped for Nat Gas. The gas orifice. I am using a regulator off an old grill, so I believe it to be a low presure. FREE Shipping on orders over $25 shipped by Amazon. GasOne Propane Orifice Connector Brass Tube Fitting 3/8" Flare x 1/8" Mnpt or Male Pipe by Gas One. Re: Propane oriface size. Each jet has a particular amount of BTU's it is capable of passing at a standard pressure,depending on type of gas used.They are normally referenced to 10 to 11 inches of water column(in USA),which is the standard supply pressure from 2nd stage LP regulator or NG lines.Most burners allow adjustment to BTU output by changing jets to a different size.Or course,air feed must be … By creating an account you agree to the Hunker, Grillparts.com: Propane/Natural Gas Conversion, Joppa Glassworks: Low Pressure Orifice Chart, GE Appliances: Propane Conversion Instructions. Natural gas is fed at a smaller pressure than propane, so to get the same heating value (usually measured in BTUs), a natural gas orifice has to be smaller than a propane one. Burner Jets & Valves. Trusted Outdoor Living and Barbecue Grilling Experts. If your appliance is designed to be converted between natural gas and propane, it will be expressly designated as such. It might be time to clean your jet. The default orifice size is #61 and it can be drilled larger for low pressure propane or natural gas. Jet burners can not be used in closed firebox and require substantial air intake to function properly. He has built many propane burners for locos here in the NW USA. Here is what I built. What is the oriface size for propane burner that most of you using? D DOLITY 64 Pcs Premium Brass Propane Natural Gas Jet Tips for 12 & 20 & 32 Tip Jet Burners . Neither system is profiled as to altitude but I am assuming they are at sea level. Top. So, I put the number 42 drill bit into my drill press and proceeded to drill each orifice with an even bigger hole than it had before. The Ward System uses 2500 Btus per cubic foot of propane at 60 degrees F. while the Pyronics System uses 2572 Btus per cubic foot at an unknown temperature. Brand: $5.00 $4.50. $74.99. Propane is hotter and uses a smaller orifice. GAS ORIFICE DRILL TABLE MUSKEGON: 1840 Industrial Blvd, 49442 • 231-777-2727 • fax 777-1730 • 1-800-442-0271 GRAND RAPIDS: 4757 Clyde Park SW, 49509 • 616-532-8188 • fax 532-0523 • 1-800-825-5525 KALAMAZOO: 1000 King Highway, 49001 • 269-978-1600 • fax 978-1630 • 1-888-978-6363 HOLLAND: 2127 112th Ave Suite A, 49424 • 616-392-9239 • fax 394-9277 • 1-888-267-0030 The size of the orifice is usually marked on the orifice. Is your flame on the refrigerator yellow instead of blue? $4.20 shipping. If you want to convert from one to the other, you can replace the cap on the gas valve with one that has the correct orifice, but that's only part of the process. HPOCA4 - High Pressure Cast Iron Propane Burner with a shorter 4" Neck Produces up to 160,000 BTU/hr in an evenly-directed manner. Summerset Sizzler Main Burner Orifice - MVO-SIZ. Fits our Jet Burners. We stand behind all the products we sell and are known for customer satisfaction, with Low pricing, quality customer service, and great on-time deliveries. Free shipping. Hunker may earn compensation through affiliate links in this story. A control valve orifice fitting will work on practically any burner if the orifice is drilled to the proper size and you know the size of the gas burner inlet thread (1/8" or 1/4" NPT). (I had propane then.) 75,000, 90,000, 150,000 and 300,000 btu’s This is a follow up video after I received a few requests on how to make a smaller one. This is for a 20lb propane tank. The manufacturer creates the orifice in a gas valve by basically making a hole with a drill, and drill sizes are numbered from 75 to 1. My oriface on my burner got damaged, I got a new one, but they sent one with a guide hole. Orifice sizes are #63 for propane, or #54 for natural gas, and burners come with 32, 44, or 88 tips, with each tip producing approximately 10,000 BTUs. AOG LP Orifice, 1.20 mm - 3006-120-1. Orifice and Burner: If, after passing through the other components, propane is delivered to the orifice at the correct pressure (11" water column), a good orifice and burner will produce a healthy, correct, blue flame. To all, we are committed to the highest standards of quality and customer satisfaction. DuraSteel Propane Gas Jet Burner For Chinese Wok Range, Grilling, Stir Fry - Cast Iron Body Round Nozzle Jet Burner with 23 Brass Tips - Up 100,000 BTU. If there is no marking, the sizes correspond to the number drills. }, factors which can all vary. They include: If you don't make the necessary modifications to adjust the pressure, the consequences can be severe. I've had a gas fitter friend of my dad come and swap the propane regulator for a NG hose and hook it up to my supply, but he only widened the orifices from a #57 bit size to a #55 bit size. 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