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Flange Bolt And Wrench Size Chart

Of Bolts||Bolt Diameter||Bolt Length||Wrench Size||Recommended Torque (Ft. /Lbs. Raised Face Flanges are typically used in process plant applications. RF flange diameters and heights belong in the ASME B16. Tensile load is calculated by multiplying the tensile strength with the area of the load material. An effective flange bolt has a lower yield strength to minimum tensile strength ratio. Over-torquing can damage the flange so make sure to stop once the recommended torque is reached. Save API Flange Bolt Wrenches, Hammer Wrenches for Well... For Later. Ideally, two full threads should be visible on the nut's topside for a tight grip. For instance, if your pipe's OD measures 2. There is a very specific procedure that is used when torquing the bolts. Flange bolts come in different types and sizes, and selecting the most appropriate for your next project can be a daunting task. 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. Then, measure the string from the beginning to the end with a ruler and divide the measurement by 3. Update 17 Posted on March 24, 2022.

Flange Bolt Chart With Wrench Size Clothing

Tools to quickly make forms, slideshows, or page layouts. While a flange bolt chart provides you with the sizes, diameters, and lengths of different bolts. What's the Difference between a Male and a Female Thread Type? As listed in the chart, use a size 1-1/16 wrench and tighten the flange bolt in 5 ft-lb increments until the final torque value—110—is reached. Share or Embed Document. Insert all four bolts and tighten all the nuts by hand until snug.

It offers: - Mobile friendly web templates. First, measure the pipe's NPS. Report this Document. Aurora is now back at Storrs Posted on June 8, 2021. Bolt holes come in six primary sizes: 5/8-inch, 3/4-inch, 7/8-inch, 1-inch, 1 1/8-inch, and 1 1/4-inch. Studs both have American National Course Threads. Flange bolts are threaded either partially or fully.

Flange Bolt And Wrench Size Chart

Additionally, your flange bolt material should be hard enough to withstand wearing, depression, and corrosion. When it comes to finding quality fasteners, partnering with a company with experts who understand the most critical information is a must. If your pipe's thread is male, wrap a string around the pipe and mark the point of contact. Standard Flange Bolt Size Chart. These are not the only factors needed when selecting a bolt that meets your standards.

They're fairly easy to identify because they're the only type of flange with their gasket surface situated above the bolting circle face, giving them a "raised" appearance. Extreme Bolt & Fastener can match the material of your flanges with easy bolting kits. Twelve-point flange bolts, also known as ferry bolts, are the alternative for hex socket cap screws. This is achieved when two or more flange bolt threads extend past the nut after being tightened. Made for Pipefitters by Pipefitters. High tensile loads are dangerous because they can lead to fasteners' deformity. Nominal Pipe Size, abbreviated to NPS, is a set of standard North American sizes for pipes used in high or low temperatures and pressures. The number of bolts refers to the actual number of bolts required according to the NPS.

Flange Bolt Chart With Wrench Size Dresses

They are commonly used in aircraft to hold the outer casing firmly and in automotive since installation with a 12 point socket is easy. Everything you want to read. Female threads are situated on the inside, like a nut. They're best used with flanges made to API 6A, ANSI B16. Before selecting a suitable bolt, it's crucial to consider the manufacturer's recommendations, the industry, and its use case. 0% found this document not useful, Mark this document as not useful. Flange bolts can be used on irregular and oversized holes because of the washer heads and large contact area that evenly spread the clamping force. The size guide below lists accurate sizing information about the selected flange's diameter and length, as well as the required wrench size and torque patterns. Flange Bolt Datasheet Types. Aurora is a multisite WordPress service provided by ITS to the university community. Document Information. Is this content inappropriate? Bolt length is divided into two segments: Raised Face Flange (RF) and Ring Type Joint Flange (RTJ).

Read on to find out the most critical information you need before settling for a bolt that matches your specifications. When utilizing a graded flange bolt, it is critical to use a nut that is either the same as or one grade higher than the bolt. Torque value depends on the present friction between the head of the nut and bolt threads which is affected by thread lubrication. 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". Update 16 Posted on December 28, 2021. Did you find this document useful? The threading requirement for bolts depends on the size and length. In this article, I'll show you how to properly read a flange bolt size chart, as well as identify what size flange bolt you already have.

Large Flange Bolt Chart

The next set of columns represent the flange bolt diameter and length. Again, the resulting measurement determines the pipe's nearest NPS value. 20-inch to 24-inch NPS: 20 bolts. Once you've determined the diameter of the flange bolt, you're ready to jump to the next column: bolt length. Search inside document. A quick reference guide for flange assembly, stud sizes, stud lengths, wrench sizes and recommended torque patterns and torques. You're Reading a Free Preview. Length of stud bolts when used with lap joint flanges will depend upon the thickness of the lap joint stub end.

The grooves rest on metal rings that compress whenever the connecting bolts are tightened. To be clear, the NPS listed below refers to the approximate outside diameter (OD) of a pipe rather than its exact figure. Reward Your Curiosity. Here's how to read a flange bolt size chart: Select the Right NPS. Wrench Size and Suggested Torque Measurements.

Each kit contains fasteners, nuts, washers and lock washers of the same material as your flange. Buy the Full Version. Grade G flange lock nuts are used primarily with hex flange bolts to ensure proper tightening. The NPS is usually engraved into the pipe itself. Contact our experts if you have questions about the best options for your application. Your bolt material should be able to meet your project needs in terms of hardness, yield strength, and chemical composition. The bolt circle and flange come with their own unique measurements, ranging from 2-1/4 to 29-1/2, and 3-3/8-inch to 32-inch respectively. A flange bolt is one of two components that is used to hold the flanges together. 1 Posted on July 28, 2022. If the pipe is unmarked, you'll have to manually measure the pipe with a string, a ruler, and a calculator.
Share this document. You are on page 1. of 2. A proper flange connection is not complete without a suitable bolt. It helps to save you time when you're in the process of choosing the most appropriate fastener for your project. © © All Rights Reserved. Phone:||860-486-0654|.

For this reason, they typically have a Class 600 and higher rating.

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