Plate slip on flange blind flange weld neck flange bossed slip on flange 20 raised face on metric and ansi only. You could machine off the entire ring groove height area and youd have a perfectly b16. Plate slip on flange blind flange weld neck flange bossed slip on flange. Weld overlayed dimension of rtj groove in standard flanges. The rtj standard size gaskets are manufactured in accordance to api6a and. This weld can be xray inspected for quality control.
Home datasheets flange datasheets weld neck flange datasheetsflange weld neck, ansi class 1500, b16. The rx is designed to fit the same groove design as a standard style r, making the joints interchangeable. I rarely use sheet metal commands but need to learn more about them. For working steam pressure 50 ibs upto 100 ibs per sq. Rtj, api 6a, 16a, 17d, psl 1, 2, 3, and 4 ring gaskets. Table with dimensions of stud bolts used with raised face and ring type joint flange connections, pressure class 150, asme b16. Ring numbers for ring joint flanges robert james sales. Ring type joints rtj, raised face, flat face and other facings are. Weights are in pounds and will vary by different wall thicknesses. Discover our orifice plate assemblies with rtj holder and our entire range of flow instruments for the industry. Weld neck flange dimensions class 150 to class 2500.
Threaded pipe flanges are typically provided with a raised face, flat face, or rtj facing. A wide variety of rtj flange dimensions options are available to you, such as equal. A weld neck flange wnf is a flange type that is usually used with pipes, as opposed to pressure vessels. The c and y dimensions do not include the 14 raised face. Rtj face dimensions and flange tolerances pdf for printing. Style rx type rtj gaskets are manufactured in accordance with both api 6a and asme b16. Process industry diaphragm seal to combine with pressure transmitters and bourdon tube pressure gauges. Or is this strictly within the domain of the manufacturer to certify and reissue.
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. Ideal replacement for solid metal oval or octagonal api ring joint gaskets rtj. Pdf piping joint handbook danny ferdiansyah academia. Flange dimension charts for class 150, class 300, class 600, class 900, class 1500 and class 2500 free. Api originally adopted many of the dimensions of the original flanges designated 6b from the rtj flanges as now listed in ansiasme b16. I am a bit not clear on the weld overlay of rtj groove of standard flanges. Class 15030060015002500 din pn 6 welding necksliponblind flanges din pn 10 welding necksliponblind flanges din pn 16 welding necksliponblind flanges din pn 25 welding necksliponblind flanges din pn 40 welding necksliponblind flanges din pn 64 welding neck flanges.
We have flanged valve having rtj flanges as end connection. Ring type joint flanges rtj flanges amardeep steel centre. Other nominal pipe sizes may be available per request. 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. Weld neck flange dimensions are covered in asme b16. The types of flanges for piping explained projectmaterials. How to machine damaged rtj flanges mirage machines.
These gaskets are used in applications with pressures up to 5,000 psi. Ring type joint flanges, rtj flanges, ss ring type joint. Coastal flange provides slipon pipe flanges in all material grades, specifications and sizes. For working steam pressure above 100 ibs and upto 150 ibs per sq. Normally i would simply use extrusions but i would like to get a flat pattern out of this. I am wondering if it is accepted practice to cut a rtj into a rf flange. Rtj flanges seal when tightened bolts compress the gasket between the flanges into the grooves, deforming or coining the gasket to make intimate contact inside the grooves, creating a metal to metal seal. This jointing method can be employed on weld neck, slipon and blind flange. Rtj type orifice plates may be machined in one piece, or alternatively from two pieces, with an orifice plate screwed onto a carrier ringgasket.
Dears, can any one give suggestion opinion on below situation. Types of flange facesraised face, flat face, ringtype joint, maleandfemale, tongueandgroove. Dimensions of rtj orifice weld neck flanges class 600 wermac. Manual welding welding in whpressure of the media flowing into the valve against. 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. Class 1503006001500 2500 din pn 6 welding necksliponblind flanges. Total control of manufacturing processes ensures correct surface hardness to give a good seal without damaging flange sections. You can also make your own knife by naming a group theknife. Msi supply can often provide the items listed below for a. The oval type is the only gasket that will fit a bottomradiused groove. Depending on gasket size, an inner ring is recommended for applications above. The rtype rtj ring gasket is available in two different profiles, having an oval or octagonal crosssection.
Rtj flanges have grooves cut into their faces which accept steel ring gaskets. With flange face the form and implementation of the side of a flens are meant, where a sealing ring or gasket will be placed. Industry standard is to make to the slip on length thru the hub. Buy the brand, as a manufacturer of api 6a, api 16a and api 17d oil field pressure control equipment woodco usa offers ibops, api flanges, companion flanges, crosses, tees, clamps, hubs, union adapters, dsas and other specialties. How to measure rtj flange grooves ring type joint rtj flanges are typically used in high pressure andor high temperature services above 800f 427c.
Are there accepted practices that maintain asme compliance. Nominal pipe size flange rating diameter of flange d bolt circle diameter a number of bolts bolt size ring size rtj diameter of holes l diameter of raised face b thickness of flange rf rtj t bolt lengths shown are for studbolts allowing for 2 washers and 2 standard. Prisma instruments, the specialist of measurement and regulation instruments. Table with dimensions of stud bolts used with raised face and ring type joint flange connections, pressure class 1500, asme b16. Rtj face dimensions and flange tolerances texas flange. Hi 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. How to get two base flanges to merge solidworks forums. I am trying to build a part by creating two base flanges and merging together.
The rx is designed to fit the same groove design as a. Style 377t, combination rings combine two different sizes having the same. A metal ring is compressed into a hexagonal groove on the face of the flange to make the seal. Table with dimensions of stud bolts used with raised face and ring type joint flange connections. Orifice plate assemblies with rtj holder flow measuring. Ring joint flange is a special type of flange connection in which a metal ring resting in a groove in the flange serves as a pressure seal between the two flanges. What are typical torque values for ring joint gaskets typically 50% of the bolt yield is applied as a bolt stress. Class 150, class 300, class 600, class 900, class 1500 and class 2500 wn rtj flange dimensions. Precision engineered flanges ring joint flanges class 150 facing dimensions. Amardeep steel centre is one of the leader manufacturers, supplier and exporters of high quality ring type joint flanges, rtj flanges, stainless steel ring type joint flanges, ss rtj flanges, carbon steel rtj flanges, alloy steel ring type joint flanges, nickel alloys ring type joint flanges in india. Upon receiving, the neighbors will send rtj request to join.
Industry standard is to make to the slip on length through the hub. The bx ring gasket differs from the standard oval or octagonal shape since it is. Mar 15, 20 i rarely use sheet metal commands but need to learn more about them. An rtj flange may have a raised face with a ring groove machined into it.
We combine excellent technical knowledge with customer and demandoriented service. The design of the flange allows for a full penetration weld at its base where it connects to the pipe. Style rx is a pressureenergized adaptation of the standard style r gasket. Ring type joint flange is a method of ensuring leak proof flange connection at high pressures. See bore chart for other wall thicknesses c this dimension is commonly associated with true lap joints. 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. 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. Fast delivery fast to deliver the goods all of the world. It is most standard to have an npt of 12 in the side of the flange, however, other sizes may be available upon request. Threaded flanges are available in sizes up to 4 inches and multiple pressure ratings, however, they are used, mostly, small size piping in low pressure and low. During dimensional inspection of flange, you should check for.
Weld neck, slip on, threaded, socket welded with rf or rtj facing orifice flanges are in accordance with ansi b16. I have 2 only 6 inch 1500 ansi rf pipeline valves for nace 0175 applicable service. As api specifications evolved and operators encountered higher pressures, api developed new ring gaskets and new flanges. Both types have identical pitch diameter as the intended flange. We are manufacturer, supplier and exporter of high quality ring type joint flanges rtj flanges.
Rtj and ix seal ring gaskets high quality industrial. For working steam pressure above 150 ibs and upto 250 ibs per sq. Rtj and ix seal ring gaskets ha features ring type joints are manufactured according to asme b16. Light wall thicknesses are identical to stainless steel schedule 10s in sizes through 12. Nominal pipe size groove dimensions diameter of raised portion k. 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. Recommended plate thicknesses for flow measurement plates are shown in the rtj orifice sizing chart. If for instance, the ring groove is applied with 5mm ss316l wo then as a consequence of it all the groove dimensions change. Nominal pipe size, groove dimensions, diameter of raised portion k. Rtj is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms. Welding joining two or more pieces of material by applying heat to.
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