Pipe Tee dimensions are covered in ASME B16. Are you unfamiliar with piping terminology? Run Consolidations for Outlets CL 3000 THREADED OUTLET • CL 3000 SOCKET WELD OUTLETThere are two types of Pipe to Pipe Branch connection type: Stub-in branch: For pipe sizes that differ by more than one size when running from branch to pipe. Fittings & Unions. threadolet specifications. L = Dimensions Center Line of Run Pipe + X (Root Gap) + A (height of Weldolet). G. 5 standard or other codes. Weldolet, Sockolet and Threadolet are olet pipe fittings that can supply an outlet from a larger pipe to a smaller one (or one of the same size). Dimensions and tolerances in accordance with ANSI/ASME B16. 18 mm 9,6 14 18 30 G inch 1. A full-size threadolet offers the same. 5 specifications unless otherwise specified. In piping, two types of tees are used, straight or equal and reducing tee. Thredolet. Bevelled Ends. Latrolet that is used for taking branch which is not at 90 degrees to run pipe. aluminum threadolet. On the run pipe side, the flangeolet is designed like a weldolet, it’ll welded with the run pipe as a branch of the pipe. Bottoming Clearance - X - The purpose for the bottoming clearance in a Socket Weld is usually to reduce the residual stress at the root of the weld that could occur during solidification of the weld metal, and to allow. End connections of a Latrolet can be butt welded, socket welded, or threaded. 11, MSS SP-79, 83, 95, 97, BS 3799: Super Duplex 2507 Olets Size Range: 1/8″-4″ (DN6-DN100) Super Duplex Steel Olets Class/Pressure: 2000 LBS; 3000 LBS; 6000 LBS; 9000 LBS; Super Duplex. Header sizes other than nominal pipe sizes, header sizes larger than 24" and branch pipe sizes larger than 12” - Price on Application. WW is based on the branch wall thickness, see Weld Wall FactorsThe ability of Titanium Grade 2 Olet Fittings to survive difficult working circumstances is one of its exceptional qualities. ) in the Bonney Forge catalog including Item #,Size,Connection Type,Material,Class,WeightThese Monel K500 Olet Fittings are made of a precipitation-harden able alloy of nickel and copper with the help of titanium and aluminium. On the run pipe side,the flangeolet is designed like a weldolet,it will welded with the run pipe as a branch of the pipe. , 600 Lb. The workers surfaced all 8″ x 3″ Olet Pipe Fittings with anti-rust oil, sleeved them into plastic bag individually, then packed them in carton and wooden cases, finally bundled packages with nylon rope. 24. Types of Olets fittings frequently used are:10/11/2013 9:51 AM. OLET 개요 및 특징. P&IDs provide more detail than a process flow diagram. Amrita Engineering Company. Size: 3 inch, 1/2 inch, 1 inch, 2 inch, 3/4 inch. 11 - 3000LBSSALES CENTER/WAREHOUSE 14496 CROGHAN PIKE P BOX 330 . Type : Weldolet MATERIALS : Stainless Steel Olets – SS Weldolets ASTM A182 F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L Duplex Stainless Steel Olets - Duplex SS WeldoletsSocket Weld Fittings. Olet에서 세분화되는 피팅의 명칭은 Boney forge라는 제조사의. 11, MSS SP-79, 83, 95, 97, BS 3799: Nickel 200/201 Olets Size Range: 1/8″-4. welding rods, under the fitting. We are one of the top manufacturers of ASTM A105 Carbon Steel Socket Olet with a size range of 1/8 "-4" (DN6-DN100). Metal Pipe and Pipe Fittings. com 1. For Use With: Air, Hydraulic Fluid, Natural Gas, Oil, Steam, Water; Specifications Met: ASME B31. 4 and B31. According to the customers' needs, we provide these Olet fittings in various sizes, diameters, wall. Palak Karia. Olet fittings (mostly called Branch Connection Fittings or Outlet Fittings) There are 12 types of Olet available in market these are as follows. 1 update. Olet - ANSI Cl 6000 Thredolet, ANSI Cl 6000 Sockolet, ANSI Sch XXS Nipolet, FCS. Leading Manufacturers, Supplier & Exporter of Nickel 200 Weldolet, Alloy UNS N02200 Olet Fittings in India. The bore matches the outlet bore, and the existence of a counter bore roughly the size of the OD of the outlet. Branch connections are not just tee's and lateral's, they are also weldolets. Saddle-tap tee adapters allow you to create additional outlets and connections in metal or plastic pipe. The ASME B16. Quick View Select Fits Pipe. The pipe fitting of the given grade is corrosion-resistant and is very sturdy too. Types of Outlets. +91-9029288974Pipe Tee Dimensions – Standard Reducing & Equal Tee. 16. , uses ASME B16. Wt Pounds: A: B: C: CL3000: 1/8 : 3/4 Toilet dimensions overview: Height (top of tank): 29″ to 31″. 2. For example a standard weight weldolet with a 1" outlet (branch) needs to be ordered based on what the run size is. Couplings & Half-Couplings. It can be made to flanges, fittings. ®. Metric Dimensions of Standard Rating Weldolet as per MSS-SP-97. Standard. Sweepolet. 71 15/16 23. Latrolet ®, used for 45° lateral connections, is available butt-weld to meet your specific reinforcement requirements, and 3000# or 6000# classes for socket weld and threaded applications. We Keep Bulk Stock of SS 304 Olet Fittings for quick delivery to Our Clients. Weldolet’s end is suited for the butt-welding connection. 19~85mm Round Bar. 2L turbo engine makes it fun to drive, and with a GM-estimated 30 MPG combined fuel economy,† that fun will have fewer stops. Contact Supplier. 25 and MSS SP-97. We can separate pipe and bend dimensions. SIZE inch 1/2 3/4 1 1 1/2 mm 15 20 25 40 BOLTED BONNET – FIG. manufactured in 3000#, 6000# and 9000# classes. DRAFT PE4710 HDPE PIPE SIZES IPS AND LARGE DIAMETER METRICWelding requirements of O-Let Fittings When is enough-enough but not too much. 444. It is designed to fit over the pipe and secured with a weld. Wt Pounds: A: B: C: D: E: 1/8 : 3/4Leading Manufacturers, Supplier & Exporter of Stainless Steel 304 Weldolet, SS 304 Olets in India. End connections of a Latrolet can be butt welded, socket welded, or threaded. Looking for online definition of OLET or what OLET stands for? OLET is listed in the World's most authoritative dictionary of abbreviations and acronyms OLET - What does OLET. 5 Olets, Ti Alloy Gr 5 Pipe Branch Connection, Ti Grade 5 Branch Outlet Fittings, Titanium Alloy Grade 5 Branch Connection Fittings, 3. Elbolet is a type of self-reinforced branch fitting developed by a company called Bonney Forge. 6 Moly 254 Olet Dimensions: ASME 16. manufactured to meet your specific reinforcement requirements. General notes. 4. FT. Olets are pre-shaped to the curvature of. This provides a uniform welding gap between the curvature of the run and base of fitting. Width (tank is usually the widest): 14″ to 16″. Posted in O'let Datasheets. EN 1092-2 PN16 Flange Outlet Dimensions & MSS SP-44 Branch Fitting Flanged Outlet Price List, Puddle Flange Outlet manufacturer in India. 11 standards. Plant 3D 2022 – Isometric Dimensions. Specifications for carbon steel forgings in accordance with ASTM A105. The most common flanging used in Australia in oil, gas and mining is now ANSI flanging to ANSI B16. The new dimension edits give you a LOT more control by theme and style. Height to seat: 16″ to 17″. Definition and Details. Piping Designers . I was looking for detailed dimensions of olets, and. Specify Size Outlet size Run or Header (or Run Size Combination, pages 38 - 40) 2. Class 6000 - for use with Sch. com - question about olets - The Piping Designers Forum-Piping Designers . ASTM A105 (also known as ASME SA 105) covers seamless forged carbon steel piping components for use in pressure systems at ambient and higher-temperature service in pressure systems. For example, a the diameter of full size threadolet is 2”x2”. Trade name: Stainless Steel 316 Olet: Stainless Steel 316 Olets Standard: ASTM A182 / ASME SA182: 316 Stainless Steel Olet Dimensions: ASME 16. 1/2” to 4”: Marked with brand, material, heat code, B16 (For ASME B16. 1500 L B. 9, ASME B16. A flange-olet (flange-outlet) is also called nipoflange or weldoflange, its shape looks like a long weld neck flange. Super Duplex Steel S32750 Olets. Latrolet. Size : 1/8″-4″ (DN6-DN100) Connect Type : Welded, threaded, BW, SW. The WFI line of Pipet® is extensive and complete. 4 38 11/ 2" 25. 11, MSS SP-79, 83, 95, 97, BS 3799: Duplex 2205 Olets Size Range: 1/8″-4″ (DN6-DN100) Duplex Steel Olets Class/Pressure. Top Row in Inches / Bottom Row in millimeters. manufactured to meet your specific reinforcement. Ti Grade 2 Branch Outlet Fittings, ANSI B16. Size range: DN 6-600. Choose from our selection of weldolets, including over 175 products in a wide range of styles and sizes. WFI Flanged Pipets offer a simplified installation and provide more exacting tolerances where multiple flanges of constant height are required. Dimensions. Introduction to Olets. Other lengths available. Nominal Pipe Size Weldolet (Weight in KG) SCH 160 Small size 1/2" 3/4" 1" 1 1/4"1 1/2" 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 24" 3/4" 0. SaleS Center/WarehouSe 14496 Croghan Pike P. 18. An Mss Sp 97 Weldolet covers material with dimensions, finish, testing, and tolerance of integrally reinforced branched outlet fittings. 1) Size-on size (i. e. 3. Sockolets are available in Class 3000 and Class 6000 Pressure-Temperature ratings. 2 The run (header) pipe size is limited only by the pipe size range listed for each type fitting class. • ASTM / ASME SB 61 / 62 /151 / 152 - C70600 Flatolets / CU-NI-90/10 Flatolets. In other words, If I'm adding a olet to a 8" line, what is the max size allowable. Stainless Steel 304 Olets Specification. 30 %. Certification. 11;SS 317L Seamless Pipes Price List. Posted in Pipe Fitting. Since the change in curvature gets less with larger sizes, the same 'olet may be used for multiple run sizes. 34 28 1 1/ 8" 14 9 16" 0. 317-317L Olets Fittings. View ANSI B16. It gives a single, versatile product that simplifies your purchase as well as inventory when the project demands a variety of pipe sizes. UNION, PA 17066 (814) 542-2545 (800) 231-0655 (800) 345-7546 FAX (814) 542-9977 e-mail: bfsales@bonneyforge. If stamped 5-3x3/4" it will have an outlet size of 3/4. Reducing Sizes : Outlet Size Inches: Dimensions: Appx. 2,500 psi @ 72° F. 9 specifications from NPS 1/2 - NPS 24. Note. Sockolet is a type of self-reinforced branch fitting developed by a company called Bonney Forge. Cryogenic temperatures are adequate for these. The bore matches the outlet bore, and the existence of a counter bore roughly the size of the OD of the outlet provides a socket where the pipe can sit, encouraging fitting and welding. 3″. The download link is given below. Weldolet’s end is suited for the butt-welding connection. Full size is when you take a branch of the same size as run pipe size, for example, 3 inches to 3 inches. Application: Chemical Fertilizer Pipe, Gas Pipe, Hydraulic Pipe, Pneumatic Connections. Compact Extreme-Pressure Steel Threaded Pipe Fittings. 1 These fittings are designated by their requirements for 90 and 45 degree integrally size, type, and class, as shown in Table I. 9. OleT JE and OleT JH seemed to be relatively more resistant to H 2 O 2 inactivation than OleT SA and OleT SQ, as more than twofold (2. The main pipe onto. And this is suitable for small bore branch connection pipes up to 1. 600 psi @ 220° F. Priminox Overseas is one of the prominent manufacturers, suppliers, and exporters of these Incoloy 800/ 800H/ 800HT Olets in India and across the world. Top Row in Inches / Bottom Row in millimeters. For example a standard weight weldolet with a 1" outlet (branch) needs to be ordered based on what the run size is. In these fittings, the branch pipe is screwed to the. Discover the industry's leading manufacturer of Inconel/Incoloy Outlet Fittings. Hole Diameter Of (C) Weight in Kilogram. Weldolet®, CL3000 Sockolet ®, CL3000 Thredolet (1/8" through 6" outlet size) and Coupolet™ bear the UL symbol indicating Underwriters Laboratories listing of these fittings for use in sprinkler systems and other fire protection water supply systems. SCH. Weldolet Dimensions. It could be called a weldoflange or a nipoflange as well due to the shape and look of it. SS Weldolet, Size: 2. WELDOLET@ BONNEY REDUCING AND FLAT SIZE STANDARD WEIGHT, RUN AND BRANCH FORGED Outlet Size 1/8 1/4 1/2 3/4 1-1/4Thredolet. The ANSI B16. 53 7. Socket Weld mss sp-97 weldolet is the most commonly used branch connection fitting. We Keep Bulk Stock of Nickel Alloy UNS N04400 Branch connection Fitting for quick delivery to Our Clients. Elbolet is a type of self-reinforced branch fitting developed by a company called Bonney Forge. Inconel 625 Olet Fittings are produced and supplied by Alpha Overseas, a well-known provider and manufacturer for various industries. 2. 1. 7035 Olet Fittings, Titanium Alloy Grade 2 Branch Connection Fittings, Titanium Alloy UNS. The branch can be welded to another pipe or to a piece of equipment. Olet Detailed dimensions Olet Detailed dimensions RockingFabricator (Materials) (OP) 29 Jun 10 10:52. It is available in connection of butt weld, threaded and socket weld. The flange-olet is used for a 90° branch connection from a main pipe. Available in butt-weld, socket-weld, threaded & flanged configurations. We manufacture these SS 347/ 347H Olet items in various sizes and dimensions. Sockolet ® utilizes the basic Weldolet ® design configuration and incorporates a socket-weld outlet. Alloy Steel F5 Olet Fittings work in the hot-working temperature range from 1600 °F to 2250 °F (870 Degrees C – 1230 Degrees C). Outlet Size (NPS) A. Threadolets also known as threaded outlets. Leading Manufacturers, Supplier & Exporter of Inconel 600 Weldolet, Inconel 600 Olet Fittings in India. Pipe Supports [40]: Dimension type can be selected by selecting 'Supports Dimensioned in Overall Form'. The Plain End Nipolet is usually welded on both sides and is available in lengths between 3 ½ to 6 ½ inches. Its 1. WFI Flanged Pipets are available in any length, material, pipe wall thickness and flange rating. S ON S SD WG WLDOL L = A + (Run Pipe OD)/2 + Root Gap Root Gap L D C B A Outlet Size Dimensions Weight A B C D NPS 1/2 3/4 1 3/8 15/16 5/8 0. 52 3. Size of Raw Material: DIA. Flangeolet Sizes. For example, 3 inches to 1 inch. Renaissance Fittings Piping Inc. Thickness: STD, XS and sch160. 160 L = A + (Run Pipe OD)/2 + Root Gap Root Gap L C B A A FLAT Weldolet can be used for connections to pipe larger than NPS 36, welding caps, ellipticalweldolet same size – std upto 12” 2. Nickel Olets have a diameter about three times the size of the width of the pipe. 5 Flange Outlet weightand is of the B16. 20 order to specific size combination. For versions 2023 and newer: Open the Project Setup window of your project. Choose from our selection of weldolets, including over 175 products in a wide range of styles and sizes. SAF 2507 Olet Branch Connections. 1 The 90 and 45 degree branch outlet sizes considered in this Standard Practice are shown in Table 1. M. Nickel Alloy 200 and Nickel Alloy 201 are provided in customizable sizes so that it will suit the specific needs of the customers. On. Schedule/class of branch connection STD, XS, S160, XXS, etc. manufactured in 3000#, 6000# and 9000# classes. Branch Connection Fittings general Branch Connection fittings (also known as O'lets) are fittings which provide an outlet from a larger pipe to a smaller one (or one of the same. This type of olet fitting is typically used for low-pressure and low-temperature applications. Additionally, Alloy Steel F5 Olets function admirably in. Brand: SIMON. The LG A2 OLED is an entry-level model in LG's 2022 OLED lineup. Posted in Pipe Fitting. 5 standard or other codes. Reducing/Size on Size; Elbolet. Weldolet Size on Size Standard Weight Dimensions Outlet Size Inches A B C D Apprx. 89 2. Contact us today for CuNi Olet fittings that elevate your projects. 9, ANSI/ASME B16. On the run pipe side , the flangeolet is designed like a weldolet, it will welded with the run pipe as a branch of the pipe. Dimensions. We observe and test each manufacturing process step, starting with the raw materials and ending with the finished goods. Select Fits Pipe Size 1 x 2 - 2-1/2 in. 81 3/4 INCThere are 13 types of branch connections: Weldolet (WEL) . Root Gap - X - "Space" for welding the O'let is raised off the run pipe to establish proper weld gap by placing spacers, e. Weldolets® are welded branch connections that are designed to match or exceed the schedule of the pipe used. ASTM A182 F304/304L/304H, F316/316L, F310, F317, F321, F347, F947. g. Measure dimensions that large end diameter, small end diameter, wall thickness of outlets. 1, ASME B31. The raw material has various characteristics, making it appropriate for various circumstances. Related Products. B. MT. g. 30. Forged Pipe Threadolet, Product Type: Thredolet, Class: 3000# To 9000 ₹ 615 /. Compatible with all the most common rough-in designs. 100 NPS 3/8 13/16 1 1/4 3/4 0. ボニーフォージ社のBCシリーズは、高品質な鍛造鋼製バルブ、フィッティング、ユニオン、ブランチコネクションを提供します。耐食性、耐圧性、耐熱性に優れた製品は、さまざまな産業分野で信頼されています。BCシリーズの仕様、寸法、特徴をPDFでご覧ください。 Full size is when you take a branch of the same size as run pipe size, for example, 3 inches to 3 inches. Available butt-weld to meet your specific reinforcement requirements, and 3000# and 6000# classes for socket weld and threaded applications. 1/2D. 840. SALES CENTER/WAREHOUSE 14496 CROGHAN PIKE P BOX 330 . Cột branch size là đường nhánh 2” bạn cần rẽ nhánh. 5 standards where the ASME B16. 200 NPS 1/2 1 1 7/16 15/16 9. Sweepolets Uses: Sweepolets are used as pipe branch fittings to connect smaller pipe sizes to larger ones in piping systems. When placed on a 36" Run Pipe, there will be a maximum radial gap of 1/16" between the top of the Run Pipe and the base of. Finishing Carbon steel. sch 160,xxs upto 6” 7. Note. 47, ANSI B16. This is a socket connection used for making 90. Explore the world of excellence with our Cupro Nickel Outlet Fittings. threadolet catalogue. 10. 2,500 psi @ 72° F. Stay informed with our latest price updates, ensuring you make cost-effective decisions for your projects. Run Pipe. This PDF chart is absolutely free. CO TP 1 TP 2 AVY WA WO C A A Order Heavy Wall Weldolets to specific header run sizes. Carbon Steel: A105. Seamless. Size. Contact Supplier. ®. Weldolets are available in different sizes and dimensions. Specifications : ASTM A182 & ASME SA182. Weldolet is 90° branch connection. Thread depth is in accordance with ASME Section VIII Division I Para. Socket. 43 mm 88 97 138 138 F inch . manufactured in 3000# and 6000# classes. 11, MSS SP-79, 83, 95, 97, BS 3799one specific size is beneficial to you for a few reasons. WFI and Bonney Forge are the world's leading manufacturers of integrally reinforced branch connection fittings (Pipet®). Nipple outlet pipe branch fittings are commonly used in plumbing, heating, ventilation, and air conditioning systems, as well as in industrial applications such as oil and gas, chemical processing, and power generation. CONFORMS TO API-602 Dimensions SERIES MATERIAL TYPE ENDS ILLUSTRATION NUMBER Body/Bonnet Trim Class 1500 100˚ F Ratings for Valves Conventional Port Carbon Steel 3705 psi ST 15801 Carbon Steel 13% Cr. The MSS SP-97 Standard Practice covers essential dimensions, finish, tolerances, testing, marking, material, and minimum strength requirements for 90 degree integrally reinforced forged branch outlet fittings of buttwelding, socket welding, and threaded types. 0 DIMENSIONS Style 72 Outlet Coupling T Z X Y V Female Threaded Outlet Size Allowable Pipe End Seperation2 Bolt/ Nut3 Dimensions Weight Nominal Actual Outside Diameter Qty. Flatolets also known as flat outlets in carbon steel A105, A694, stainless steel 304, 316, 310, 317L, 321, 904L, etc. 150 NPS 3/4 7/8 1 5/8 1 3. It also does sometimes to fittings. 77 6. Weldolet, Sockolet, Threadolet, Nipolet, Latrolet, Elbolet, Sweepolet, Insert Weldolet, Brazolet, Coupolet, Flexolet Butt Weld, Flexolet Socket Weld, Flexolet Threaded,. On another side ,the flange-olet is a flange connection, this. Olet fittings are a family of forged products used to make 45 or 90 degrees integrally reinforced branch connections (deviations) from a run pipe (also called, header pipe) to a branch pipe (outlet pipe). threadolet installation. 3. This is a type of Olets. This provides a uniform welding gap between the curvature of the run and base of fitting. Weld shrinkage is cumulative, and may result in large cambers. And reducing size is when branch size is less. manufacturer & exporter of ASTM A105 Weldolets availbale in various forms and size, products like Sockolet,Weldolet, Elbolet, Latrolet, Threaded Elbolet etc. Last Updated: 31 May 2023. Mss Sp 97 Standard Covers Essential Tolerances, Mini Strength Requirements, Marking, Testing, Material, And Dimensions For 90 Degree And 45 Degree Integrally Reinforced Forged Branch Outlet Fittings Of Buttweld, Socket Weld, Threaded Types. 5 1 5/Socket weld forged Olet provides a leak-proof connection, is easy to install and remove, and is ideal for high pressure and high temperature applications. 15 3/4 7/8 1 5/8 1 3/1613/16 0. Size on size fittings shall be limited to outlet sizes NPS (DN 15) and 1/2 larger. MT. Table of Contents. Coupolet ®. A 1" 'olet which you'd put on a 6" run pipe would be the same 'olet that you'd put on a 10" run. 200 NPS 1/2 1 1 7/16 15/16 0. WELDOLET DIMENSIONS. FNPT 300# Domestic Carbon Steel Threadolet. Flangeolet is 90 Degree branch connection use for high pressure piping. flange dimensions for pipes ranging 1/2" to 24" - in classes ranging 150 to 2500. Browse Threaded Reducing Coupling (Class 3000 & 6000) in the Bonney Forge catalog including Item #,Size,Connection Type,Material,Class,WeightS31803 / S32205 Duplex Steel Olet Dimensions: ASME 16. EN 10204 3. Sockolet. Stainless Steel Olet. 160 pipe. Nipolet ®. Face types consist of raised, flat and ring joint. CuNi flanges, also can be called as copper nickel flanges. 1/2. Threadolet ’s end is suited for the threaded connection. threadolet. Process : Free forging, plate. 35 mm 38 48 64 85 H inch. 11 Stainless Steel 347 Olet Fittings, SS 347H Branch Connection Fittings, 1. Size consolidation for Weldolets only Class 6000 Thredolet, Class 6000 Sockolet, XXS NipoletForged ASTM A182 F11 Alloy Steel Pipe Fittings Weldolet manufacturer Zizi provides standard outlet fittings in various types and dimensions, offers customized service regardless of quantity. * For outle t sizes NPS 8 and larger, order to specific run size required. The branch can be welded to another pipe or to a piece of equipment. Design construction: API 602 - ASME B16. 9MFL 10 A inch 5. Reducing/Size on Size; Dims Sockolets. Metric. This grade offers superior chemical and cryogenic properties than other precipitation hardening alloys. 11, MSS-SP-97, MSS-SP-79, JIS B2316, BS 3799 etc. Alpha Overseas is a significant manufacturer, supplier, and exporter of Stainless Steel 317 Olet Fittings. Flangeolet Dimensions. The hub length in the ANSI 150 Flange Outlet Dimensions isWhen run size is schedule 160 weight and the branch is schedule 160 weight - specify and price as schedule 160. Flangeolet Dimensions. General Details. Maximum Temperature: 140° F. branch size/run size/wall thickness combination, and should be considered when selecting a particular brand of fitting. Weldolet is 90° branch connection. 2 1/2 to 3 1/2 (0. Branch pipe size Branch pipe is the outlet size that connects to Olet® 3. Threadolet 2" Class 3000 NPT ASTM A105 MSS SP-97. WFI International, a Bonney Forge Company, is a leading manufacturer of ferrous and non-ferrous branch connection fittings, specialty flanges, and seamless fittings for use in piping systems and on pressure vessels. It is used on Long Radius Elbow for instrument connections such as thermowell. For Use With: Air, Natural Gas, Oil, Steam, Water; Specifications Met: MSS SP-97, ASME B31. Surveys of small-branch connections undertaken as a result of Technical Directive No. Forged Steel Extended Body Valves. 3; hence, Dimension is also specified by the designer. Header (Run) pipe size Header pipe is the pipe Olet® is welded onto 2. Stub-on branch: When the Run and Branch are equal or when there is only a tiny difference. Flat thredolets are used on welding caps, elliptical heads and flat surfaces.