0% found this document not useful, Mark this document as not useful. Made for Pipefitters by Pipefitters. 2. is not shown in this preview. A proper flange connection is not complete without a suitable bolt. Always select the correct wrench and torque size to prevent injuries and damage to equipment due to slippage or the application of too much pressure. Twelve-point flange bolts, also known as ferry bolts, are the alternative for hex socket cap screws. Insert all four bolts and tighten all the nuts by hand until snug. API Flange Bolt Wrenches, Hammer Wrenches for Wellheads and BOPs, Size Chart, S. Copyright. This one-stop bolt size and length chart helps you with just that. The guide above provides you with all the measurements required for the job, including the recommended wrench and toque type. Count the Number of Bolts Required. While a flange bolt chart provides you with the sizes, diameters, and lengths of different bolts. How Do I Find My Pipe's Nps? Reward Your Curiosity.
For your reference, these are the corresponding number of bolts based on the NPS: - 1/4-inch to 3-inch NPS: 4 bolts. Standard Flange Bolt Size Chart. If your pipe's thread is female, simply measure the inside diameter of the pipe across the opening. Document Information. Save API Flange Bolt Wrenches, Hammer Wrenches for Well... For Later. An ideal flange bolt should be long enough to guarantee the thread is in complete contact with the nut. The grooves rest on metal rings that compress whenever the connecting bolts are tightened. Length of stud bolts do not include the height of the point. Of Bolts||Bolt Diameter||Bolt Length||Wrench Size||Recommended Torque (Ft. /Lbs. Update 16 Posted on December 28, 2021. Read on to find out the most critical information you need before settling for a bolt that matches your specifications. Think about the greatest amount of tensile load the bolt will be able to handle. Flange bolts are threaded either partially or fully. Naturally, the larger the pipe, the more bolts it requires.
Flange bolts come in the following flange sizes: - 150 lb. Extreme Bolt & Fastener can match the material of your flanges with easy bolting kits. There is a very specific procedure that is used when torquing the bolts. Real-Life Flange Bolt Size Chart Application. Everything you want to read.
The hex size ranges from 3/8" to 3/4" with a length of 1" to 5", while the serrated hex ranges from 1/4" to 1" with a length of 3/8" to 2 1/2" and the 12 point flange bolt ranges from 1/2" to 7" with a length of 1/2" to 7". Male threads are situated outside the pipe, like a bolt. Tensile load is calculated by multiplying the tensile strength with the area of the load material. Share this document. Aurora is a multisite WordPress service provided by ITS to the university community. Your bolt material should be able to meet your project needs in terms of hardness, yield strength, and chemical composition. This is achieved when two or more flange bolt threads extend past the nut after being tightened. Reading a flange bolt size chart is fairly straightforward. They are subjected to a predefined torque which is designed to stretch the bolt out a little bit. With the chart as a guide, select the proper flange bolt size, quantity, diameter, and length for the equipment being assembled.
Flange bolts are classified into four types: Hex, 12 Point, Serrated Hex and Metric Flange Bolts. Additionally, your flange bolt material should be hard enough to withstand wearing, depression, and corrosion. On the other hand, Ring Type Joint flanges are used in high pressure and/or high-temperature services above 800°F, as commonly seen in Petroleum and Petrochemical industries. A flange bolt is one of two components that is used to hold the flanges together.