used with asme/ansi b16. Flat metallic gaskets are available in a variety of steels, copper, and other materials; however, they are very rarely used on oil and gas projects. N = (Laying Length) socket/spigot bottom to seal-ring face of flange, ± 1/16 inch. MSS SP-44 also covers NPS 12 to NPS 24 flanges which are equivalent to ASME B16. Standard core materials are 4mm thick, while the soft gasket facings are 0. COM Page 1 of 2 Class 150 LB Nominal Pipe Size Diameter of Studs No. The thickness of the raised face is 3. Inner ring acts as a heat shield & corrosion barrier. elastomer full face gasket. gaskets (sitting inside the bolt circle of the flange) or as full faced gaskets (with bolt holes) to cover the face of the flange. Full Face: As the name suggests, these cover the entire flange face and include bolt holes. All ring gaskets of this type are to be. D f b K d L DN D b K d L approx. RAISED FACE HEIGHT. The following sections provide more information on the ring gaskets listed on this page, the capabilities of Alapin as a gasket material, and the individual gasket sizes for each standard, ring-face table gasket up to 600NB. For DN 50 (2 inch NB) and above self-centering gaskets shall be used for raised face flanges. Table dimensions are designed to connect ductile iron flange to ductile iron flange using 3mm gasket. Type F gaskets are made to fit the raised face portion of the flange only. gaskets (sitting inside the bolt circle of the flange) or as full faced gaskets (with bolt holes) to cover the face of the flange. If you have a custom size pipe flange gasket, Hi-Tech Gaskets can manufacture replacement gaskets from a sample or metal dimensions. Flange Dimensions (2) Class 125 Cast Iron Flanges - ANSI Standard B16. It is important to note that most dimensioning charts, including the ones provided in this text, include the 1 16 ″ raised face thickness in the length dimensions for 150# and 300# flanges. Furthermore the set provide electrical isolation between metallic flanges due to its high dielectric properties. 1 says that when connecting flat face cast iron flanges to carbon steel flanges, the raised face on the carbon steel flange must be removed, and that a full face gasket is required. Raised Face (RF) The Raised Face type is the most applied flange type, and is easily to identify. Dimensional recommendations for bolts, stud bolts and nuts are shown in below table. M = Outside diameter of socket hub, ± 1/16 inch. The flange faces are also made to standardized dimensions and are typically "flat face", or "raised face" but other types are available. Garlock Gasket Dimensions: According to DIN EN and ASME normatives Gaskets Form IBC Raised-face and flat-face flanges Ordering example for an IBC gasket according to EN 1514-1: Gasket IBC, GYLON® Style 3501-E, NPS 8", Class 150, ASME B 16. Stainless steel raised face slip on flanges, are used to block the end of a pipe system or valve. Custom Cut Gaskets » Contact TIPCO. Texas Flange provides ASME and Non code industrial pipe flanges for the Petrochemical, Process, Waterworks industries in Stainless Flanges, Alloy Flange and Carbon Steel flanges. The raised face is engineered to concentrate more pressure to a smaller area on the flange, which provides an increased containment capability at higher pressures. , bolt circle, bolt hole size, etc. Pipe, elding ube Fittings K K DPL418 877. Full face gaskets are used on flat faced flanges, however, can be used with a raised flat face flange to eliminate debris building up in raised area causing a short. Our brands include Fill-Rite, OPW, Cim-Tek, GPI & more. Below is ASME B16. Like the ring-type gasket, this seals on raised flange faces, but has an OD the same as the flange. 1B certficates available. Raised Face EPDM Flange Gaskets EPDM is an excellent choice for water, steam, or chemicals and posseses outstanding UV resistance making it a common outdoor choice. Flange faces have to be smooth enough to ensure they provide a tight, leak-free seal with the flanges are bolted together. 47 - 150# Flanges Series B Ring Pipe Size Gasket I. 5 for raised face dimensions. Standard facing finish for the gasket surface of the insert is a continuous spiral or phonographic finish to an average roughness in the range of Ra 125 to 250 µin. permitting bolt up of differing size flanges. Gasket Width (bD) For raised face and flat face flanges. ) for NPS 1 to NPS 12 and 10 mm (0. DIN 2559; Flanges, Groove for joint according to DIN 2695; Flanges, Groove for jount according to DIN 2696) DIN 2526 Form C (UNI 2229-67) Raised face dimensions ; DIN 2501 flange dimensions and drilling ; DIN Flange Bolting Specifications. A serrated finish, either concentric or spiral, is required with 30 to 55 grooves per inch and a resultant roughness between 125 and 500 micro inches. flange standards is a 1/4 inch raised face not included in minimum flange thickness dimensions. 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. This style is. All standard pipe gaskets can be made from a range of materials such as rubbers , corks , and non-asbestos fibres. This retains the gasket on its outer diameter and makes it distinct from both the tongue and groove flange and the raised face flange [11]. John M Ellsworth Co Inc, a distributor of fuel transfer pumps, service station equipment, nozzles, filters, transfer tanks, gauges etc. Garlock Gasket Dimensions: According to DIN EN and ASME normatives Gaskets Form IBC Raised-face and flat-face flanges Ordering example for an IBC gasket according to EN 1514-1: Gasket IBC, GYLON® Style 3501-E, NPS 8", Class 150, ASME B 16. weld- weld- slip-on diam. Piping flanges in hydrofluoric (HF) acid systems are typically subject to under-gasket corrosion. Raised-Face Flange and Flat Pad Flange Materials of Construction. A flange is an external or internal ridge, or rim (lip), for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc. The flange facings are machine finished toANSI/ASME B16. Type F - Ring Gasket Ring Gaskets are designed to set inside the bolt circle and are. Raised Face (RF): The Raised Face flange is the most common type used in process plant applications, and is easily to identify. You should also understand the measurements your gasket supplier needs before cutting material. DIN 2559; Flanges, Groove for joint according to DIN 2695; Flanges, Groove for jount according to DIN 2696) DIN 2526 Form C (UNI 2229-67) Raised face dimensions ; DIN 2501 flange dimensions and drilling ; DIN Flange Bolting Specifications. Flange Tables Flanges are commonly used to connect valves into pipework making it easier for removal and maintenance. 300 lb ring gasket ANSI Flange Dimension Specifications. A gasket fits on the flange faces, and forms a seal that is designed to prevent leakage of liquids and gases. Malleable Iron Fittings DRILLED AND RAISED FACE ONE SIDE CARBON STEEL, NOT THREADED. Gasket may be ring type, or full face, which covers the entire face both inside and outside the bolts. Bolts lengths are approx. 5 : 2013 To suit schedule pipe Rubber flange gaskets also available for most sizes. An engagement of at least one bolt diameter is typically used for the flange bolts in the tapped flange holes. 46395 Raised Face Adjustable Flange • Choice of 2", 3" or 4" 150# raised face flanges 43047 Ball Swivel Adjustable Flange • Choose 4" or 6" 150# adjustable ball swivel flanges. and less, 1/4″ for 400 lb. All standard pipe gaskets can be made from a range of materials such as rubbers , corks , and non-asbestos fibres. **Bolt hole diameter 1/8 in. Feature: • raised face Size. Full face gaskets are used on flat faced flanges, however, can be used with a raised flat face flange to eliminate debris building up in raised area causing a short. For ease of use in RF flanges, installers insert the gasket between the two flanges and insert two or more bolts to align the gasket before installation. Raised Face Standard ASME B16. Size ID OD ID OD ID OD Holes Diameter Diameter ID OD Holes Diameter Diameter Ring Gasket Full Face Flange Gaskets. The datasheets we have on this site are shown below. This compressibility compensates for flange surface irregularities such as minor nicks, non-parallelism, metal corrosion, and variation in surface roughness or grooving depth. 5 flanges from 1/2" through 24" in classes 150, 300, 400, 600, 900, 1500 and 2500. Standard gasket material is SBR (Red Rubber), but Neoprene, EPDM, Buna N, Silicone, Viton Tefl on and other compounds are readily available. Raised face of flat flanges. Different types of flange faces are used as the contact surfaces to seat the sealing gasket material. These Raised Face Slip On Flanges are used in process plant applications and are easy to identify. For example, with 1/2" metal raised face flanges and a rubber gasket, the max recommended toque is 2 ft-lbs. View Class 150 Raised Face Flange Dimensions, PN16 Rasied Face Flange Sizes and Weight. Materials for gaskets can be divided into three main categories: Non-Metallic types - usually composite sheet materials are used with flat-face and raised-face flanges in low Pressure Class applications. The ASME B16. 53 standards conform to the drilling and facing of ANSI B16. And we can provide your pad flanges in all other materials including exotic alloys. Ring Gaskets - 150 lbs. SPETOSPIR ® SWZ gasket has two metal rings: outer (centring) and inner – reinforcing; due to „enclosing” the proper sealing element between the to rigid metal rings, the gasket has excellent compression resistance; the style recommended for flat face and raised face flanges over PN 40 (class 300), for gaskets with PTFE filler also of lower PN; for gaskets of large dimensions (above 800 mm) suggested as standard. 47 - 150# Flanges Series B Ring Pipe Size Gasket I. The concept of spiral wound gasket construction was originated by Flexitallic in 1912, inaugurating a new era in safe, effective sealing. 21:2005 used with asme/ansi b16. Style 743 is designed to mate with raised-face flanges, but can be used with flat-face flanges by removing the raised projections on the outside face of the flange. Can also be equipped with partition bars. Toruseal® Flange Gasket The AMERICAN ®Toruseal flange gasket is available for improved joint performance. 5 NPS d1 d2 Class 150 300 400 600 900 0,5 21 48. Some typical designs on flanges faces are shown below. Full Face Gasket OD is same as Flange OD and includes bolt holes. 47 define various types of flange facings, including the raised face, the large male and female facings which have identical dimensions to provide a relatively large contact area. larger than bolt diameter. Check 2500 LB Ring Joint Flange Dimensions and Class 2500 LB Flange Weight. Two other popular industrial flange material grades include titanium flanges and aluminum flanges. When bronze flanges are bolted to cast iron or steel flanges which normally have a raised face, the rajsed face should be removed. ) For a Tongue and Groove we have two different flanges; 1x Tongue facing 1x Groove facing I’ve made two new flanges in the standard (ASME) fitting catalog. Flat Face (FF): The Flat Face (full face) flange has a gasket surface in the same plane as the bolting circle face. CUT AND SHEET GASKETS Non-Asbestos Gaskets Flexible Graphite Gaskets Elastomers Flat Ring Gaskets To ASME B16. You should also understand the measurements your gasket supplier needs before cutting material. Raised Face Weld Neck Flanges to ANSI B16. N298SW150-SS - 150# Raised Face 316 Stainless Spiral Wound Flange Gasket. This makes flat face flanges very difficult to seal unless using a gasket with low compression characteristics such a a rubber gasket. PN 16 gaskets can be manufactured either as I. Full Face Gasket O. Raised Face Flange Gasket , Find Complete Details about Raised Face Flange Gasket,Pipe Flange Gaskets,Flat Face Flange Gasket,Epdm Flange Gasket from Gaskets Supplier or Manufacturer-Shanxi Goodwill Industrial & Trading Co. The function of this area is to place a gasket seat during installation to get a better sealing performance. COM Page 1 of 2 Class 150 LB Nominal Pipe Size Diameter of Studs No. Raised Face Gasket. larger than bolt diameter. Of Studs Diameter Of Studs Raised Face Flange (Stud Length) Ring Joint Flange (Stud Length) 1/2 4 3/4 1-1/4 4-1/4 4-1/4 3/4 4 3/4 1-1/4 4-1/2 4-1/2 1 4 7/8 1-7/16 5 5. Flanges are furnished faced, drilled and spot faced or back faced. Dimensions per ANSI B16. Flanges with flat bottom V-grooves will accept either Oval or Octagonal gaskets. Flange gaskets are used to seal and prevent leakage, absorb vibration, etc. 6 mm or 1/16 inch, for classes from 400 to 2500, the raised face height is approximately 6. Sealing system results in low required bolt loads. Flat Face Flange Surface Finish Has No Serration 08/18/2010 1:30 AM I have received flange 2" 150# weldneck flat face, flange face has no serration and smooth, is that flange can be accepted? thank you for whom willing to answer my question. Stainless steel raised face slip on flanges, are used to block the end of a pipe system or valve. 5 common dimensions bore length thru hub nominal thick- o. It is called raised face because the gasket is raised 1/16" to 1/4" above the bolt circle face. Compatible with Morrison 246DRF swing check valves Compatible with Morrison 272DI and 346FDI emergency valves. 87 inches (12. This is to keep the thin, bittle cast iron flange from being sprung into the gap caused by the raised face of the carbon steel flange. flanges, no problem arises since materials of equal strength are being connected. This raised face permits a face to face make-up of the connection near the ring groove while leaving a gap between the flange over most of the area of the flange out to the outside diameter. Class 150 Forged Stainless Steel Raised Face Slip-on Flanges - per ANSI B16. 150 lb ring gasket ANSI Flange Dimensions Full Face and Ring Gasket Specifications. It has FF and RTJ Face Sealing Type. Flat Face Flange (Class 150) Flange O. ph: 713-723-0110 fax: 713-723-1910 :. Included in our inventory is a full line of stainless steel raised face threaded flanges , used to block the end of a pipe system or valve with the largest advantage of being able to add and remove without welding. Dimensions (inches) ANSI/ASME 900 - 2500 lb Flange Size 900 lb (1/4 Raised Face) 1500 lb (1/4” Raised Face) 2500 lb (1/4” Raised Face) Nominal Pipe Size (in) Number of Bolts Diameter of Bolts (in) Length of Headed Bolts (in) Length of Stud Bolts (in) Number of Bolts Diameter of Bolts (in) Length of Headed Bolts (in) Length of Stud Bolts (in) Number of. This face type allows the use of a wide combination of gasket designs,. 5 are shown. Different types of flange faces are used as the contact surfaces to seat the sealing gasket material. The side wall surface roughness of the ring-joint gasket groove shall not exceed 1. catalog including Item #,Size,d ,D,C,Number of Bolts,h. The raised face is finished with a series of concentric circular grooves for keeping the gasket in place and providing a better seal. Each chart covers a particular nominal bore size and includes dimensions for both full face and ring face (sometimes known as raised face) gaskets. They form an effective seal when compressed between two flanges. The FLANGE HOG 110 is rugged, compact and ideal for quickly reconditioning rusty, scarred or worn flange gasket seats to like-new condition in minutes. Standard core materials are 4mm thick, while the soft gasket facings are 0. Italso provides additional radial strength to prevent Gasket blowout and acts as a compression stop. 4966 • dixonvalve. Select the gasket width that provides the following coverage: EN- or JIS-standard flanges: 30-50% of flange face width. The height of the raised face depends on the flange pressure-temperature rating that is known as a class of the flange. Metal Industries is a Professional steel flanges and forgings manufacturer in india, specialize in manufacturing Wnrf flanges Welding Neck Raised Face, steel valve, flanges bolts, steel flanges, steel forgings range of flange and forging types and sizes. In this case, care must be taken with. gasket dimensions for raised face flanges (RF) as per DIN 2690 d1 PN DN [mm] 1 and 2. Flat metallic gaskets are available in a variety of steels, copper, and other materials; however, they are very rarely used on oil and gas projects. scope: This part of EN 1514 specifies the dimensions and marking of spiral wound gaskets for use in conjunction with flat face and raised face flanges complying with the requirements of EN 1092-1 for PN 10, PN 16, PN 25, PN 40, PN 63, PN 100 and PN 160 and up to and including DN 1 000. A raised face flange is compatible with a wide range of flange gaskets , ranging from flat to semi-metallic and metallic types (as, for example, jacketed gaskets and spiral wound gaskets), either ring or full face. Such gaskets shall be ring form gaskets fitting within the bolt circle of their respective flanges. Standard facing finish for the gasket surface of the insert is a continuous spiral or phonographic finish to an average roughness in the range of Ra 125 to 250 µin. face of hub neck on joint neck thr'd joint bevel fillet min. Fasteners Fittings Flanges Gaskets Cutting Tools. GASCO approved Stainless Steel Raised Face Flange Manufacturers and Supplier of ASME B16. Flange gasket dimensions per DIN 2690, DIN 2691, DIN 2692. SPETOSPIR ® SWZ gasket has two metal rings: outer (centring) and inner – reinforcing; due to „enclosing” the proper sealing element between the to rigid metal rings, the gasket has excellent compression resistance; the style recommended for flat face and raised face flanges over PN 40 (class 300), for gaskets with PTFE filler also of lower PN; for gaskets of large dimensions (above 800 mm) suggested as standard. 5 requirements. catalog including Item #,Size,d ,D,C,Number of Bolts,h. In addition to stocking 150 ring and full-face gaskets in red rubber and compressed non-asbestos material, TIPCO makes standard and custom gaskets in a wide variety of stock materials, including commercial neoprene, nitrile, EPDM, silicone, fluoroelastomer (Viton™), cloth-inserted sheet, red rubber, natural rubber, PTFE (Teflon™), compressed sheet, and. 5 covers manufacturing specification for pipe flange and flange fittings dimensions from NPS 1/2 to NPS 24, ratings from Class 150 to 2500. As the new pressure ratings are slightly higher the flange thicknesses have slightly increased. 47 - 150# Flanges Series B Ring Pipe Size Gasket I. The outside diameter of the gasket is slightly less than the inside diameter of the bolt circle. This gasket is suitable for use in raised-face and flat-face flanges in ANSI class 150 and 300 service (or equivalent). The other piece of a Lap Joint Flange is the backing flange. (call if old style ASME/ANSI dimensions) Ring Gaskets - 300 lbs. Pipe Flange gaskets are cut to ASME B16. face or Neoprene face phenolic, as well as a variety of high temperature materials. non-metallic materials are used in low to medium pressure appli-cations usually up to nominal pressures of 40 or 63 bars on the raised face and up to 200 bars in tongue grooved flanges. Inside diameter and thickness dimensions are application specific. Flange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16. Standard flange styles are raised face (RF) weld neck, RF slip-on, or RF threaded for paddle type orifice plates, and ring type joint (RTJ) weld neck for universal type plates with plate holders. Flange gaskets are used to seal and prevent leakage, absorb vibration, etc. The products are available in the qualities 1. Ring gaskets sit inside the bolt hole circle. Flat Face Flange Surface Finish Has No Serration 08/18/2010 1:30 AM I have received flange 2" 150# weldneck flat face, flange face has no serration and smooth, is that flange can be accepted? thank you for whom willing to answer my question. EN 1092-1 PN40 Flanges Note 1: Dimensions N1, N2 and N3 are measured at the intersection of the hub draft angle and the back face of the flange. Raised Face (RF) – The raised face is the most common used flange face. Lap Joint Flanges have all the same common dimensions as any other flange named on this page however it does not have a raised face, they used in conjunction with a “Lap Joint Stub End”. COM Page 3 of 5 Sheet Ring Gaskets on FRP Flat Face Flange - Class 150 Bolting. Full Face Gaskets - 300 lbs. Type F - Ring Gasket. Detail Comments: Conforms to ASTM A-105 and ASME/ANSI B16. Flange Gaskets are made to fill the space between two joining sections of pipe in order to provide a seal or barrier. 47 Class 150 Series A Welding Neck Flanges in the Coastal Flange catalog including Item #,Nominal Pipe Size,Outside Diameter (O),Minimum Thickness (T),Raised Face Diameter (R),Length Thru Hub (Y),Hub Diameter (X),Minimum Fillet Radius. Monroe Seals has been a manufacturer and distributor of standard, ring, and full face flange gaskets for over 40 years with excellent customer satisfaction. NPS 3½, all classes. 1 says that when connecting flat face cast iron flanges to carbon steel flanges, the raised face on the carbon steel flange must be removed, and that a full face gasket is required. You should also understand the measurements your gasket supplier needs before cutting material. Standard flange styles are raised face (RF) weld neck, RF slip-on, or RF threaded for paddle type orifice plates, and ring type joint (RTJ) weld neck for universal type plates with plate holders. In my view if the flange to flange overall dimension is kept within the tolerances specified by the standard, there should not be a problem whether individual flange raised height is 1. Standards in RAISED FACED or FULL FACE style for class 150# , 300#, 400#, 600#, 900#, 1500# and 2500#. ††Bolts are hex head machine bolts with regular or heavy hex nuts as specified. Raised Face Flange. It must be sufficient to squeeze gasket into all voids in the faces of the flange ie. A raised face flange (RF) is easy to recognize as the gasket surface area is positioned above the bolting line of the flange. ) for NPS 1 to NPS 6. The pressure/temperature chart shown indicates the service limits for the gaskets considering pressure and temperature simultaneously (Tests were performed with nitrogen on 1. Bolting force may be lowered by reducing the gasket area or the flange contact area. face of hub neck on joint neck thr'd joint bevel fillet min. This external ring accurately centers Gasket on flange face. 47 Class 150 Series A Welding Neck Flanges in the Coastal Flange catalog including Item #,Nominal Pipe Size,Outside Diameter (O),Minimum Thickness (T),Raised Face Diameter (R),Length Thru Hub (Y),Hub Diameter (X),Minimum Fillet Radius. Phelps Style 9001 is a spiral wound metal gasket for LMF (Large Male Female) flanges, and is only available for ASME 16. 1st Seal company to put a seal portal on-line customers could now order 24/7. DIN 2559; Flanges, Groove for joint according to DIN 2695; Flanges, Groove for jount according to DIN 2696) DIN 2526 Form C (UNI 2229-67) Raised face dimensions ; DIN 2501 flange dimensions and drilling ; DIN Flange Bolting Specifications. We have a large selection of Flanges to help us meet every need our customers might have. 5 150lb pressure rating Pipe Size Flange Dims (mm) Hub (mm) Raised face (mm) Drilling (inches) A B D E L F G Quantity H K. EN 1092-1 PN40 Flanges Note 1: Dimensions N1, N2 and N3 are measured at the intersection of the hub draft angle and the back face of the flange. Included in our inventory is a full line of stainless steel raised face threaded flanges, used to block the end of a pipe system or valve with the largest advantage of being able to add and remove without welding. ANSI AWWA C o a s t a l F l a n g e , I n c. As such, some flange stress may be created when the bolting is tightened. Flanges rated 150# and 300# have a 1 16 ″ raised face, whereas flanges 400# and above have a ¼″ raised face (see Figure 4. Raised face thickness is consistent across all sizes, being 1. pressure on the flange-face surface. 1 says that when connecting flat face cast iron flanges to carbon steel flanges, the raised face on the carbon steel flange must be removed, and that a full face gasket is required. Understanding customers requirement and ensuring to supply as per these requirements is realised with the help of quality assurance at Sunny Steel one of the best Flange Manufacturers in China , our product range include all types of flanges such as MS Flange ( Mild Steel ) , Raised face flange , Weld neck flange, Bellow Flange , and Flanges. In stock and ready to ship. In addition to stocking 150 ring and full-face gaskets in red rubber and compressed non-asbestos material, TIPCO makes standard and custom gaskets in a wide variety of stock materials, including commercial neoprene, nitrile, EPDM, silicone, fluoroelastomer (Viton™), cloth-inserted sheet, red rubber, natural rubber, PTFE (Teflon™), compressed sheet, and. 47, API Specification 6A, and ISO 10423. A raised face flange is compatible with a wide range of flange gaskets, ranging from flat to semi-metallic and metallic types (as, for example, jacketed gaskets and spiral wound gaskets), either ring or full face. A raised face may be specified at the option of the purchaser. The standard inner ring is made from the same material as gasket’s. equal to the nominal pipe size, and are only available on special order. Flat face flanges have the same bolting as raised face flanges but roughly 3 to 4 times more surface / contact area. · The 10” NPS flange has inside diameter dimension of 10. N = (Laying Length) socket/spigot bottom to seal-ring face of flange, ± 1/16 inch. The raised face dimension for Class 400 flanges (and up) normally must be added to the chart or catalog length to arrive at the true total length of these higher-pressure flanges. The links below take you to individual charts listing all dimensions for different types of gaskets. The outside diameter of the gasket is slightly less than the inside diameter of the bolt circle. The flange facings are machine finished to meet the requirements of the standards and has unconfined gasket. Full face gaskets are commonly found in flat faced flanges but are also occasionally used in raised face (RF) flanges. 1-1989 standard for complete engineering and applications information. Which type of face to use, it depends on the type of the gasket and service of the fluid. This is the facing finish that will be supplied unless otherwise specified. 4306 (304L), 1. Full face gaskets are used on flat faced flanges, however, can be used with a raised flat face flange to eliminate debris building up in raised area causing a short. 5 Flange Dimensional Sizes 1/2 to 2 1/2 inches Table Chart. 4966 • dixonvalve. Nominal Pipe Size Gasket ID Gasket OD Number of Bolt Holes Bolt Hole Diameter. Although recommended for all normal water and sewer service, it especially must be used in demanding services such as very large diam - eter flanged piping, specially. CAMPRO KV9: Type KV incorporating an integral outer location ring. Moorlane Sutton Supply, Inc. around a pipe or piping fitting. ) for NPS 14 to NPS 24. Flange gaskets are used to create a static seal between two flanges faces, at various operating conditions, with varied pressure and temperature ratings. For ease of use in RF flanges, installers insert the gasket between the two flanges and insert two or more bolts to align the gasket before installation. What is a Flange face?. Gasket Types Type E – Full Face Gaskets Full face gaskets completely cover the flange face from flange bed to outside diameter. Standard facing finish for the gasket surface of the insert is a continuous spiral or phonographic finish to an average roughness in the range of Ra 125 to 250 µin. Each chart covers a particular nominal bore size and includes dimensions for both full face and ring face (sometimes known as raised face) gaskets. Petromet is Non-Metallic gasket manufacturer in India ASME B16. 15 - Cast Bronze Threaded Fittings - 150 lb Bronze flanges with plain faces Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!. The HDPE flange face compressibility is the measure of its ability to deflect and conform to the mating flange face. 5 RF Flanges) Flat Ring Gaskets To ASME B16. The difference between them is that the raised face flange has a raised region surrounding the pipe bore. All standard pipe gaskets can be made from a range of materials such as rubbers , corks , and non-asbestos fibres. Call this the Bugatti or Rolls Royce of the line blind world. d3 = Outside diameter of sealing element. The height of the raised face depends on the flange pressure-temperature rating that is known as a class of the flange. Flange gasket dimensions per DIN 2690, DIN 2691, DIN 2692. 25 inch high raised face which is additional to the minimum flange thickness. It is almost impossible to create an effective seal and high strength bolts should be considered. Full Face Gasket O. For ease of use in RF flanges, installers insert the gasket between the two flanges and insert two or more bolts to align the gasket before installation. F is used to know the accurate dimension of the flange in order to avoid the minute errors in. 47 define various types of flange facings, including the raised face, the large male and female facings which have identical dimensions to provide a relatively large contact area. Raised Face Gasket is The Common Type As Usual. - Full face gaskets are recommended for raised face flanges smaller than DN 50 (2 inch nominal Bore) to avoid potential problems of incorrect size gaskets being fitted. AMG have a state of the art cutting facility utilising the latest CAD driven cutting technology to facilitate immediate production and dimensional accuracy. A comparison of the results from the gasket contact analysis and the contact conditions specified by the ASME Boiler and Pressure Vessel Code, Sections VIII, Division 1 shows that the conditions. Raised Face Slip On Flange. This gasket is suitable for use in raised-face and flat-face flanges in ANSI class 150 and 300 service (or equivalent). Different types of flange faces are used as the contact surfaces to seat the sealing gasket material. Teflex Gasket Is Ring Joint Gasket China Manufacturer. ASME/ANSI B16. Can we use rubber gaskets in raised face flanges if we limit the torque? While it is possible to use lower bolt loads on rubber gaskets in raised face flanges, in many cases the max torque becomes unrealistically low. Pipe gaskets are Full-Face or Ring. Standard thicknesses are 1/16” and 1/8”, but other thickness are available. If the pump is steel or stainless steel with F. 5 Series A) Full Face Gaskets Dimensions To ASME B16. The flange faces are also made to standardized dimensions and are typically "flat face", or "raised face" but other types are available. 5 code requires that the flange face (raised face and flat face) has a specific roughness to ensure that this surface be compatible with th. Special Section Spiral Wound with special rings: they are used for special flanges and special usage. As the new pressure ratings are slightly higher the flange thicknesses have slightly increased. , Black (1TUR9)? Grainger's got your back. centers gasket on flange face, provides additional radial strength to prevent gasket blow-out and acts as a compression stop. Insert 4 bolts into bolt holes 1 to 4 (Fig. By Authority Of THE UNITED STATES OF AMERICA Legally Binding Document By the Authority Vested By Part 5 of the United States Code § 552(a) and Part 1 of the Code of Regulations § 51 the attached document has been duly. 5mm thick, although these values can be adjusted to suit specific needs. It is called raised face because the gasket is raised 1/16″ and 1/4″ above the bolt circle face: 1/16″ for 300 lb. types of DamaGe Over time and for any number of reasons, damage can occur to flange faces. Flange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16. Types of gaskets. • Red Wing, MN 55066 PH: 651-388-7117 • TOLL FREE: 800-328-1488 • FAX: 651-388-0337 • www. As the new pressure ratings are slightly higher the flange thicknesses have slightly increased. of Studs Bolt Length of Studs Ring Joint Raised Face Ring Joint Gasket No. Full Face Gaskets - 150 lbs. Dimensions per ANSI B16. Size Flange Diameter. 3/8" 3/4" 98. Consists of one-piece SS Orifice Plates shaped to fit the contour of the union seat (ball-to-cone), eliminating the need for gaskets. As there are no bolt holes in the F gasket, the inside diameter of the bolt hole circle is slightly smaller than the outside diameter of the gasket, assuring an exact, automatic positioning of the gasket. Flange Weight 900#. Insert 4 bolts into bolt holes 1 to 4 (Fig. 47 Weld Neck Flanges Manufacturers in India. Slip-On 150# Carbon Steel Raised Face Flange (110030000) at Ferguson. Ring Gaskets are a continuous ring and full-face gaskets include bolt holes. ), elastomer full face gasket. learn about flange face serration. COM Established 1994 ». 5 1/16” Raised Faced - Also Mate with ANSI B16. A flange is an external or internal ridge, or rim (lip), for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc. These gaskets are dimensionally suitable for use with flanges described in reference flange standards ASME B16. SpiralWound Gaskets are made with an alternating combination of formed metal wire and soft filler materials. Flange gasket 85 has a thickness (t) of 0. ANSI Flange Gaskets; OEM Engine Flange Gaskets; Caps. 15 - Cast Bronze Threaded Fittings - 150 lb Bronze flanges with plain faces Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!. The flange faces are also made to standardized dimensions and are typically "flat face", or "raised face" but other types are available. Maloney Technical Products recommends the use of Special Elastomer for sealing ductile iron flanged piping for special applications such as systems designed for transmitting oils, chemicals, high temperature water and air applications. In this article, we only see about the Gaskets - Basics, Types, Working Principle, Calculation of bolt load. So that they will mate to achieve a tight seal that will have no paths for leaks. Flanges are for use with low-pressure applications in noncorrosive environments. Class 300 flanges except Lap Joint will be furnished with 0. FULL FACE FLANGES: In a bolted joint using ANSI full face (or flat face) flanges it must be remembered that the same bolts used in the corresponding raised face joint are now being asked to seal 3 to 4 times the gasket area with full face flanges. FLANGE DATA CHART Mactech, Inc. You should also understand the measurements your gasket supplier needs before cutting material. Can we use rubber gaskets in raised face flanges if we limit the torque? While it is possible to use lower bolt loads on rubber gaskets in raised face flanges, in many cases the max torque becomes unrealistically low. Dimensional recommendations for bolts, stud bolts and nuts are shown in below table. 47 Welding Neck Flange, We are offering competitive prices in India on DIN Weld Neck Flange, Series A & B WNRF Flanges, MSS Weld Neck Flange. 1 says that when connecting flat face cast iron flanges to carbon steel flanges, the raised face on the carbon steel flange must be removed, and that a full face gasket is required. The tightness of the bolts must exert enough pressure on the gasket to compress the gasket and hold it in place, not allowing the flanges to separate under pressure, thus achieving a seal. 1 Made with 150-Ib. Monroe Seals has been a manufacturer and distributor of standard, ring, and full face flange gaskets for over 40 years with excellent customer satisfaction.