This standard conforms to manufacturers standardization society speci. Mss sp75 2014 mss sp75 2014 click the start the download. Stub end dimensions schedule 10s, mss sp43, nps 12 nps. Mss sp 43 20 wrought and fabricated buttwelding fittings for low pressure, corrosion resistant applications. The wey knife gate valve models na, a1 and w1 combine rugged construction with time tested design refinements found in no other. Mss sp4320 wrought and fabricated buttwelding fittings for low pressure, corrosion resistant applications, includes amendment september 1, 2015 standard by manufacturers standardization society, 033020. Wrought and fabricated buttwelding fittings for low. Pdf english drm, pdf english drm more info on product formats. The epa has been reducing the allowable fugitive emissions on valves in the last few years. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. Mss standard practice sp 61 ii foreword this standard practice for pressure testing of valves was originally adopted in 1961. This standard practice provides dimensions, tolerances, and markings for buttwelding fittings for low pressure, corrosion resistant applications.
Mss sp 45 pdf mss sp 45 pdf mss sp 45 pdf download. Pipe hangers and supports materials, design, and manufacture. Under mss sp144, the body and bonnet are to be an asme b16. The dimensions and dimensional tolerances defined in mss sp43 are substantially the same as those in asme b16. Mss sp 5 was originally adopted in 1924 and applied to steel gate valves only. Stub end dimensions schedule 10s, mss sp43, nps 12 nps 24. Requirements covered include pressure ratings, size, marking, materials, metal thickness, dimensions, testing, and tolerances.
Mss sp 43 2019 provides requirements for wrought and fabricated buttwelding fittings intended for low pressure, corrosion resistant applications. The size of bypass, as shown in the table below, is in accordance with msssp45. Ansi mss sp 58 manufacturers standardization society. It is regular practice to attach the bypass to the side of the main valve with the stems of both valves parallel. Wrought and fabricated buttwelding fittings for low pressure. Msssp43 a astm a403 wp304 stub end bw 6 inch sch10s yaang. Mss sp91 guidelines for manual operation of valves. Standards, abbreviated as std, are developed by trade associations, government agencies and private companies. Description download mss sp75 2014 free in pdf format. Stainless steel stubends, stub endsmss sp43, ss stubends. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. The 2 12 and 3 3000 and 2 6000 sizes have octagonal male and female ends.
The existence of an mss standard practice does not in itself preclude the manufacture, sale, or use of products not conforming to the standard practice. This mss standard practice was developed under the consensus of the mss technical committee 105 and the mss coordinating committee. Pvc band hanger figure 1a pvc this product is designed to protect the pipe from coming into direct contact with the hanger by having the contact surface pvc coated. Mss sp 25 standard marking system for valves, fittings, flanges, and unions published by mss on january 1, 2018 this standard marking system applies to the marking of new valves, fittings, flanges, and unions used in piping connections that include but are not limited to flanged, soldered, brazed, threaded. Mss sp 45 pdf when placing an order please quote the letters in the above illustrations designating the location of the tapped holes. Gasket material is to be the manufacturers standard, but limited to ductile iron, soft steel, austenitic stainless steel, vermiculite or flexible graphite. Type a type b type c type cs where can we find the high quality msssp43 a astm a403 wp304 stub end, bw, 6 inch, sch10s. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16.
It was developed for the purpose of providing a uniform means of testing valves commonly used in the full open and full closed type of. Mss standard practice sp45 this mss standard practice was developed under the consensus of the mss technical committee 106 and the mss coordinating committee. Credit lines should read extracted from mss sp75, 2004 with. However, when ordered, bottom attachment can be provided with the stem of the bypass at a. Mss sp 43 wrought and fabricated buttwelding fittings din 2615 steel butt welding pipe fittings tees ansiasme b16. Ansimss sp58 manufacturers standardization society. Mss sp43 wrought and fabricated buttwelding fittings din 2615 steel butt welding pipe fittings tees ansiasme b16. Standard marking system for valves, fittings, flanges, and unions.
Mss sp43 wrought and fabricated buttwelding fittings astm. Msssp85 covers cast iron globe and angle valves, flanged and threaded ends a. The content of this standard practice is the result of the efforts of competent and concerned volunteers to provide an effective, clear, and nonexclusive specification that will. Mss sp 44 is the only source for the nps 22 flange dimensions above. Dimensions butt welded stub ends schedule 10s mss sp43 type ab. Standard marking system for valves, fittings, flanges, and. Model w1 model w1 body style conforms to mss sp5 facetoface. Most of mss sp standrds archive petroleum community forum. The size of bypass, as shown in the table below, is in accordance with mss sp 45. All pipe supports in this section are sized to fit schedule 4080 pipe unless otherwise noted. Click here for pdf of mss sp 43 wrought and fabricated butt welding fittings for low pressure corrosion resistant applications standard practice. Additionally, new industry standards, both api and iso, are being published or revised for type testing of valves to improve emissions in new valves.
Stainless weld fittings conform to astm a403, astm a960, mss sp43. Download mss sp75 2014 dlscrib free, fast and secure. The dimensions and dimensional tolerances defined in mss sp 43 are substantially the same as those in asme b16. Mss sp43 2019 provides requirements for wrought and fabricated buttwelding fittings. Mss sp 51944 bypass size standard practice and mss sp 28 1943 drain tapping standard practice. Ansimss sp69 manufacturers standardization society. Wp304 stub ends are normally provided with a standard weld bevel wp304 stub ends dimensions are found on our fitting dimensions page. But by no means are these rules to be a substitute for good engineering practices. The content of this standard practice is the result of the efforts of competent and concerned volunteers to provide an effective, clear, and nonexclusive specification that willbenefit the industry. Due to the upcoming emission legislation, most refineries, chemical and process industry plants will have to monitor their emissions more closely. The technical drawing, dimensions, tolerances of 180 long radius returns manufactured to mss sp 43. Msssp43 a astm a403 wp304 stub end bw 6 inch sch10s. Mss mss sp44 large diameter h note 3 note hub dimensions flanges 0. Mss sp 43 20 wrought and fabricated buttwelding fittings for low pressure, corrosion resistant applications, includes amendment september 1, 2015 standard by manufacturers standardization society, 033020.
Federal specification aa1192a type 7, msssp69 type 7. See pipe data charts on pages 294 thru 300 for proper size selection. Mss standard practice sp61 ii foreword this standard practice for pressure testing of valves was originally adopted in 1961. Pressure testing of valves copeland industries, inc. Mss sp43 all measurements might have small differences given rounding discrepencies while converting mm to inches. Stainless weld fittings conform to astm a403, astm a960, mss sp 43. Mss sp252008 standard practice developed and approved by the manufacturers standardization society of the valve and fittings industry, inc. Mss sp 48 pdf unless otherwise specifically noted in this mss sp, any standard referred to herein is identified.
Mss sp43 standard practice provides dimensions, tolerances, and markings for buttwelding fittings for low pressure, corrosion resistant applications. Technical drawing, dimensions and weight details of asme b16. Model w1 model w1 body style conforms to mss sp 5 facetoface. Ansi mss sp 69 manufacturers standardization society. Mss sp 44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. Some steel items may be specially fabricated to fit other pipe diameters i. They are meant to provide a minimum set of guidelines for engineering and construction. Stainless steel weld fittings smithcooper international. Mss sp97, socket welding, threaded, and buttwelding ends.
Mss sp44 is the only source for the nps 22 flange dimensions above. It was developed for the purpose of providing a uniform means of testing valves commonly used in the full open and full closed type of service. Wider facetoface permits pipe flange connection with bolt nuts tightened against back faces of valve body flanges suitable for deadend service with either pipe flange removed. Download, company catalogue, astm, ansi, asme, din en, mss. Mss sp 43 only covers stainless steel buttweld fittings made for use with schedule 5s and 10s pipe and stub ends suitable for use with schedule 40s pipe, as defined in asme b36. Federal specification aa1192a type 7, mss sp 69 type 7. Mss sp97 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. As the subject matter of these two standard practices is so closely related they were combined as a convenience to the user. Mss sp43 wrought and fabricated buttwelding fittings. Mss sp 43 wrought and fabricated buttwelding fittings. An mss standard practice is intended as a basis for common practice by the manufacturer, the user, and the general public. Specifying and the technical evaluation of metal seated. Mss sp 48 pdf mss sp 48 pdf mss sp 48 pdf download.
129 174 1196 140 401 675 1564 1358 845 1097 1075 1383 181 393 955 233 938 429 371 1579 1509 172 280 953 1128 1390 783 497 492 1275 478 1406 22 908