Examine the flange surfaces, fasteners bolts or studs, nuts and washers to ensure they do not have any serious defects. Weld neck flange dimensions are covered in asme b16. Download iso pn 20 flanges dn 15 to 600 welding neck. Class 1500 flanges were deleted due to a lack of interest in using large size flanges in that pressuretemperature rating. Available for solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. Together with a ring gasket, the rtj groove helps create a tight seal between the two parts, so it is important that a groove meets the required specifications specified in api 6a. Nominal pipe size, groove dimensions, diameter of raised portion k. Rtj face dimensions and flange tolerances pdf for printing.
Drawing of facing dimensions for ring joint flanges. The kit comprises of a reduction drive, milling quill type spindle, adapter plate and 4 way distributor 143 lbs, 65 kg mmi7 an easy method to attach the hydratight range of flange facing machines to heat exchangers for the purpose of machining both front and rear faces 18 lbs, 8 kg. How to machine damaged rtj flanges mirage machines. Fisher l2e electric level controllerdimensions with slip. Orifice flange assemblies rtj type orifice plates can be supplied completewithansib16. Marcel piping is renowed ring type joint flange manufacturers in india, a asme b16. Ring type joint flange is a method of ensuring leak proof flange connection at high pressures. Dimensions plate thicknesses depend on line size and differential pressure, and should be sufficient to prevent the plate from bending under operating. Table with dimensions of stud bolts used with raised face and ring type joint flange. On flange refer to table 2 for dimensions a, b, and f gg10a 48 1. The groove depth e is not included in flange thickness t. The flange face is the surface area that hosts the gasket. Orifice flanges are one of the most economical means of measuring flow, and daniel orifice flanges are manufactured to be the most accurate.
I have been reading api 6dr which provides for the refurbishment and remanufacture of valves, given owner approval, ie. Industry standard is to make to the slip on length through the hub. Total control of manufacturing processes ensures correct surface hardness to give a good seal without damaging flange sections. Permissible variations of gasket dimensions are covered in asme b16. Table with dimensions of stud bolts used with raised face and ring type joint flange connections, pressure class 1500, asme b16. Rtj flanges boiler and pressure vessel engineering. The rules for fl connection in the options are nd, pressure and gasket type, why does p3d not use the correct parts, or asks or have i to create single classes for rtj and rf that is. An rtj flange may have a raised face with a ring groove machined into it. If you do not know the dimension yet, you can enter a provisi note to that effect as shown. This jointing method can be employed on weld neck, slipon and blind flange. Product data sheet fmoprtja rtj type orifice plates.
I have rtj and rf flanges and bolt sets and gaskets in one piping class when i insert a rtj flange and add a rtj flange, p3d uses the rf parts for the connection. The design of the flange allows for a full penetration weld at its base where it connects to the pipe. Precision engineered flanges ring joint flanges class 150 facing dimensions. Worn, pitted or corroded flange sealing surfaces can impede the sealing ability of rtj gaskets. For rtj flanges that seal with bx ring gaskets, the raised faces of the connected and tightened flanges may contact each other. Weldneck flange, long weldneck flange, lap joint flange. At the request of the american petroleum institute api, flange dimensions, in accordance with the api standard 605, were included in the subsequent drafts. The online tool and pdf version, both outline the depth, width, pitch diameter, angle and radius at bottom statistics for all rtj setups. Flanges with different faces require different gaskets and shall never be mated to prevent leakage of the joint. Dimensions of rtj ring gaskets are covered in asme b16. A metal ring is compressed into a hexagonal groove on the face of the flange to make the seal. The pressuretemperature ratings and basic dimensions od bolt circle facing number and size of bolts of swivel ring flanges, in class 150 through class 2500, are identical to asmeansi b16. Table 5 rtj flange faces are applicable for any type of flange.
Jis b2220 is basically interchangeable with ks b1503 korean standard pressure ratings. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Reducing flanges are specified by giving firstly the size from which the reduction is made, followed by the reduced size. The information in these pages was compiled from industry sources which texas flange and fitting supply believes to be reliable.
Contact your emerson automation solutions sales office for optional extension lengths. Class 75 through class 1500 for the size range nps 26 through nps 60. Daniel, flange union, daniel industries orifice plate created date. Because the dimensions were entered as zero, you will be prompted to enter the dimension for the flange. Rtj flange, ring type joint rtj flanges manufacturers. Please check with the standard before using the chart.
Please refer to product data sheet fmcrflgaforfurtherdetails. Jis b2201, jis b2202, jis b2203, jis b2210 thru jis b2217, jis b2221 thru jis b2225, jis b2233. The following list of jis flange related standards are now obsolete. Ansi rtj flanges cl150cl2500 ansi ring type joint flanges. During dimensional inspection of flange, you should check for. Calculated flange weights in pounds class 150 nominal pipe size outside diameter inches slipon threaded socket weld weld neck blind lapjoint 12 3. Nps 12 through nps 24 metricinch standard bolt circle diameters are 18 inch larger than bolt diameter. Flange dimension charts for class 150, class 300, class 600, class 900, class 1500 and class 2500 free. To order a reducing flange, state the smaller size first, then the outside diameter of the larger size. Flange dimensions were based on the manufacturers standardization society standard practice mss sp 44 flanges, except for class 75 flanges that are ansiapi 605 flanges. Watch the video showing set up process of the mm600e flange facing machine ring type joint flanges are typically used in high pressure andor high temperature applications and differ from other flanges as angled faces are cut into the flange faces to accept steel ring gaskets, to create a metal to metal. Every effort has been made to ensure that the information on this website is correct. Class 1503006001500 2500 din pn 6 welding necksliponblind flanges. Characteristics gasket profiles and limiting values.
Rtj gasket and dimension chart for oval and octagonal ring. Flanges are furnished faced, drilled and spot faced or back faced. As one of the leaders amongst manufacturers, stockist, and exporters of ring joint flange, asme b16. Rf, ff, rtj flange face and finish projectmaterials. Carbon steel flanges mechanical properties and chemistry conform to astm a105. The pressure rating will also determine the dimensions of the flange full details can be found in the relevant specification. Height of raised portion is equal to the depth of groove dimension e, is not subjected to the tolerances for e groove depth e is not included in flange thickness t but is included in the connection overall length l. Groove depth e is to be included in connection overall length l. K p e t q x bc n h ln hl jl ring number r or rx 2 116. The insert is specially designed with radially drilled pressure passage holes so that the self energizing performance of the rx ring joint gasket is not impaired. Rtj and ix seal ring gaskets ha features ring type joints are manufactured according to asme b16. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Rtj face dimensions and flange tolerances texas flange. Nominal pipe size groove dimensions diameter of raised portion k.
A specific and complete cfc product standard is included in clause 5. Weld neck flange dimensions class 150 to class 2500. Aug 15, 2017 examine the flange surfaces, fasteners bolts or studs, nuts and washers to ensure they do not have any serious defects. Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges. Ring joint flanges catalogue hydraulic and offshore supplies. Or, to simplify, just state the actual pipe sizes in order of larger to smaller.
During dimension inspection of the gasket, you should check for. How to measure rtj flange grooves ring type joint rtj flanges are typically used in high pressure andor high temperature services above 800f 427c. Posted in weld neck flange datasheets dimensions to asme b16. Iso pn 20 flanges dn 15 to 600 welding neck traceparts. Hattersley assumes no responsibility or liability for typographical errors or omissions or for any misinterpretation of the information on the site and reserves the right to change without notice. The insert is located between the inside diameter of the ring joint gasket and the bore of the flange, as shown on the right. Ring type joints rtj, raised face, flat face and other facings are. Rtj flanges have grooves cut into their faces which accept steel ring gaskets. Industry standard is to make to the slip on length thru the hub. Dimensions and tolerances are in accordance with asme b16. Orifice flanges are not covered by this standard, but all ansi flange tolerances, where applicable, apply to all coastal orifice flange diminisions except the bore. Avoiding corrosion despite a tight seal, the contents of the pipeline usually handled by rtjs means corrosion and damage to the gasket comes through poor maintenance.
A rtj flange joint is a connection of pipes, where the connecting pieces have flanges by which the parts are bolted together, usually has a raised face with the groove machined into the face of the flange. Weld neck flange datasheets the weld neck flange, abbreviated as wnf, is a flange type that is usually used with pipes, as opposed to pressure vessels. In such instances, a serrated octagonal rtj gasket, covered with flexible graphite or a maxiflex crrj, can provide a temporary or emergency solution until the flange can be repaired or replaced. Click on images for flanges dimensions rtj flange dimensions 1500, rtj flange dimensions pdf, rtj flange dimensions in mm, rtj flange dimensions 2500, rtj flange dimensions 900, rtj flange dimensions 600, rtj flange dimensions 0, rtj flange dimensions chart, rtj flange dimensions 300, rtj flange dimensions metric, rtj flange dimensions, ansi rtj flange dimensions, api rtj flange. At the request of the american petroleum institute api, flange dimensions, in accordance. Rtj and ix seal ring gaskets high quality industrial. This raised face does not serve as any part of the sealing means.
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