Many years of experience of spetech employees and customers have allowed to enter in the program a huge database of knowledge. Know the best way to calculate the bolt torque tightening. Torque for flange bolting b7l7 studs stud diameter tension size ibf torque torque torque torque inch nm ft. Hytorc flange bolting calculator computes recommended torque values, bolting patterns, tool selection and pump pressure settings for standard asme b16. I know there are various ideas from all sorts of engineers out there but it is still nice to hear answers to a question that i personally put forth. The t5 torque transducer offers very high precision and has a broad. Tpi for 1 and smaller are unc, 118 and larger are 8un. The t22 torque transducer is the compact and quickly integrable solution for measuring torque of up to 1 knm in many applications. Is there enough bolt load in the flange, did we use the correct bolt torque. Bolting systems offers a comprehensive range of bolting tools, torque wrench pumps, continuousduty hydraulic pumps, nut splitters, flange pullers, bolt tensioners and bolting systems. The calculator is generic an can used for imperial and metric units as long as the use of units are consistent. Integritypro joint monitoring software is a bespoke database system specifically developed to plan, monitor, control and provide traceability of flanged joints and connections. Ez calc uses the mechanical engineering short formula see below and other estimating techniques, which can be subjective.
Tpi for 1 and smaller are unc, 118 and larger are 8un some flanges can be overtightened to the point that the ring groove or the flange can be damaged. Insert screw characteristics and calculate torque and the tool 3d model will be showed. The bolted joint analysis calculator allows for stress analysis of a bolted joint, accounting for preload, applied axial load, and applied shear load. Flange bolt torque sequence and torque table a complete. Specifically designed for measuring static and dynamic torque, rotation speed and angle of rotation in production monitoring and quality assurance. Engineered joint calculation flange calculation joint matrix calculation. Several subsequent load conditions operation, testing and assembly when calculating the bolt torque. Ez calc bolting calculator an oline tool to estimate required torque values. In order to evaluate the load cases, the loads for flange, bolts, gasket and loose flange are determined. This calculator is based on the vdi 2230 guideline. The software provides calculations for standard and custom flange as per the asme viii div. The program computes recommended torque values, bolting patterns, tool selection and pump pressure settings for standard asme b16.
The amount of force on a fastener is called as torque. Software for the calculation of flanges according to din en 1591 and 4453 annex. Scribble it on a virtual napkin, fold it up and drop it right. The calculation method takes into account the elasticity of the connected shell, the thermal expansion between flange and bolts and the effective gasket surface and calculates the required assembly torque for the bolts. It is a function of the materials frictional characteristics, which are based on surface finish, coatings and so on.
Before using a given torque table, these assumptions should be verified to insure they are appropriate for the specific application. Informate software hydratight introduces informate. Mar 12, 2019 it is essential to know how to calculate the tightening torque of bolts to ensure your application works safely, without breaking. New europartner software developed at spetech was created as a tool supporting the design and calculation process for flange and screw connections, together with proper and unambiguous selection of a flat gasket. You may choose between torque or tension as your tightening method and all calculations include hydraulic tool pressures based on tool selection. Bolting software flange bolt torque calculator hytorc. We will evaluate target bolt torque required for leakproof tightening. Based on the information entered, the boltpro software will analyse all of the data and produce a complete calculation sheet along with the required torque or tension figures to ensure an accurate and correctly bolted joint is achieved. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. The tightening method can be taken into account in the calculation e. Flange boltup bolting torque table 1 the torque tables are built on specific assumptions regarding bolt and nut factor. The torques given are based on using a 3mm thick 70 irhd rubber gasket. Flange and gasket calculations various lv modules can be used for the flange gasket bolt calculation, varying from a simple rough design to a more complex and precise design.
This software can also be used on non standard bolted joints. The software provides calculations for standard and custom flange as per the asme. Click calc button for bolted joint calculation and get result as desired at. The powermaster bolt tightening software in many cases would recommend a preferred bolt stress based on bolt loads specified in the different bolt flange specifications. Fastlube teflon base new xylan coated steel bolts and nuts with 14 in. T wrench torque nm, lb f ft k constant that depends on the bolt material and size.
Bolt load calculation software hydratight pdf catalogs. Some flanges can be overtightened to the point that the ring groove or the flange can be damaged. In this guideline the torque required it is defined by the following expression. It is essential to know how to calculate the tightening torque of bolts. They are of two types, metric flange bolts and metric hex bolts. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. The calculator recommends the best torque values and bolt loads for your job.
Inputting four calculation variables allows the app to determine. The htl flange management system is supported by and includes an easy to use calculator providing recommended bolt loads, bolt stress values and torque and tension values, all derived by using industry standard calculation methods based on the characteristics and operational parameters of a wide range of gaskets. These outputs are displayed alongside basic flange and bolt information e. Use the following torque calculator for astm a193 b7 and astm a320 l7 bolting, as specified in api 6a, 16a and 17d for flanges. The software will calculate as well as recommend bolt load stresses for your bolted applications. Once w m1 and w m2 have been calculated, the larger of the two is divided by the total bolt area to obtain the minimum required bolt crosssectional area.
This database system interacts with the toolpro controlled bolting software calculation engine, runs on the standard windows operating system and does not. See the reference section for details on the methodology and the equations used. Flange types are circular with inner bolt circle gasket flanges. Boltcalc engineering software is designed to calculate bolt load, gasket stress, torque and tension in bolted joints. The decision as to which standard is to be applied often depends on the end customer. This online metric bolt torque calculator is used to find the torque of the ecoguard, lubricated and. This userfriendly, nocost tool will provide you with a recommended solon torque calculation and help further assist you with your solon belleville spring and washer selections. Flange bolt torques the following charts indicate the approximate bolt torque required to seal flanged joints against internal pressure. How to calculate the tightening torque of bolts ultra torq. The relation between applied torque and axial force or load in a bolt can be calculated as. Welcome to this interactive flange bolting calculator from hytorc. These outputs are displayed alongside basic flange. If you cannot able to calculate the value of the torque for. The bolt head is to be tightened and the clearance hole of the washer next to the head is 14.
Ptfe coated bolt coefficient of friction plain bolt coefficient of friction sigma fasteners, inc. Api flange bolt torque calculator for tension as a % of bolt. Torque analysis using the boltcalc program bolt science. The software contains data for the following standard bolted flanges. Bts software contains bolt tightening data for s of standard flange configurations bolting documentation quickly create bolting documentation which gives all the information tensioning technicians need to complete the job torque or tension the software calculates both bolt torque and bolt load. To download boltup, or for a free 7 day trial of the informate bolt load calculation software go to.
Bolt load calculation software know every nut, bolt and joint inside out with informate software from hydratight hydratight offers the next generation of software that contains and stores large capacities of engineering calculations with an extensive flange type and material database. A mistake in this calculation could cost tens of thousands of dollars, never mind the time and hassle of replacing broken equipment. Maximum bolting torque is considered to develop 40% to 60% of bolt yield stress. Torque transducers, torque sensors and torque meters hbm.
Flange boltup bolting torque table 4 the torque tables are built on specific assumptions regarding bolt and nut factor. The industry needs the best torque calculator in order to get the torque calculation. Torque calculations are based on the simplified formula explained in the current version of asme pcc1, appendix k. Informate our advanced calculation and procedure software idms integrity data management system the complete package for managing bolted joints from cradle to grave.
Bolt science providing solutions to bolting problems. I know there are various ideas from all sorts of engineers out there but it is still nice to hear answers to a. Purpose of the flange bolt rules in asme viii and asme iii. Normally it does not matter whether the bolt or nut is tightened. Resources to help you determine the right solution for your application. The program will allow for variations in the bolt clamp force or preload due to the tightening method and embedding due to plastic deformation in the thread. The torque values are applicable for the type of gasket specified and bolts, nuts and washers should be free from damage, rust etc. Flange charts available below, or click here to download the chart in xls format. Bolt tightening software powermaster engineers pvt. Hytorc bolting software flange bolt torque calculator. Flange calculation according to din en 15911 lauterbach. Api flange bolt torque calculator for tension as a % of. Use our new torque calculator web tool below to determine a calculated torque value based on inputs relative to bolt type, size, lubricantcondition and load. Flange bolt up bolting torque table 4 the torque tables are built on specific assumptions regarding bolt and nut factor.
Torque bolts and nuts in a crisscross sequence using a minimum of three torquing passes and the maximum bolt stress as defined. As gasket load requirements for standard flanges generally fall within the midrange of the bolt loads, gasket stress has not been used to calculate torque values. Hytorc does partner with a flange management software company. Hytorc flange calculator, hytorc flange manager and the hytorc app.
The bolt torque formula the formula that expresses the relationship between the. Flange bolt up bolting torque table 1 the torque tables are built on specific assumptions regarding bolt and nut factor. In this first example, the tightening torque for a m12 flange headed bolt is required. Bolt tightening torque procedure standard bolt tightening. Its simple visual representation allows the user to quickly view the relevant stress levels on the gasket, flange, and bolt. This flange is limited by the seating case in this case seating of a high strength spiral wound gasket m3, y 10,000. Its an easytouse powerful analytical tool for the designer or field engineer with responsibility for the integrity of bolted joints. Based on the information entered, the bolt pro software will analyse all of the data and produce a complete calculation sheet along with the required torque or tension figures to ensure an accurate and correctly bolted joint is achieved. These include torque value to a bolt load or stress, bolt extension, threadstripping, turn of nut and standalone tool fit.
Flange and gasket calculations engineering software made in. It is essential to know how to calculate the tightening torque of bolts to ensure your application works safely, without breaking. Load in pounds on stud bolt when torque loads are applied. See the instructions within the documentation for more details on performing this analysis. Flange management joint integrity software boltprep.
Torque is the turning force measured in footpounds ftlb or inchpounds inlb applied to tighten turn the nut on a bolt. Based on the information entered, the integritypro software will analyse all of the data and produce a complete calculation sheet along with the required torque or tension figures to ensure an accurate and correctly bolted joint is achieved. Enerpacs bolting calculator is our free webbased calculator designed to technically support our products. B7 is required for flange joint material with nut factor of 0. The torque value is the necessary aspect for the bolt tightening. Torque can be measured during flange assembly with a properly calibrated torque wrench. You may choose between torque or tension as your tightening method and all calculations include hydraulic tool pressures based on tool. Many years of experience of spetech employees and customers have allowed to enter in the program a huge database of knowledge connected with correct selection of a seal and with. Determines torque, bolt load and percent yield of maximum load of the bolt. You can tighten the bolt with the torque calculator. Bolting systems is the goto source for the latest hydraulic torque and tensioning technologies. The informate software bolt load calculation program allows you to standardise bolted joint calculations to continuously replicate accurate results. K factor is a torque coefficient between bolt and receptacle.
The bolt torque formula the formula that expresses the relationship between the continue reading how to calculate the tightening. In a bolted flange, the applied torque generates the axial load in the bolt. You may choose between torque or tension as your tightening. Ultimately at the end of the day, apart from the gasket seating and bolt torque calculations, i would also want to perform a flange leakage calculation. Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. Torque calculations are based on the simplified formula explained in the current version of. Boltcalc bolted joint analysis software bolt science. The ultimate critical service triple offset valve flange bolting guide all information herein is proprietary and confidential and may not be copied or reproduced without the expressed written consent of bray international, inc. En 1665, twelve point flange bolts, and nuts in accordance with iso 4032, iso 4034.
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