为了正常的体验网站,请在浏览器设置里面开启Javascript功能!

MSS_SP-97-2006_承插焊、螺纹和对焊端的整体加强式管座

2012-01-11 15页 pdf 143KB 25阅读

用户头像

is_446565

暂无简介

举报
MSS_SP-97-2006_承插焊、螺纹和对焊端的整体加强式管座 MSS SP-97-2006 www.mss-hq.org MSS Integrally Reinforced Forged Branch Outlet Fittings – Socket Welding, Threaded, and Buttwelding Ends Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fitting...
MSS_SP-97-2006_承插焊、螺纹和对焊端的整体加强式管座
MSS SP-97-2006 www.mss-hq.org MSS Integrally Reinforced Forged Branch Outlet Fittings – Socket Welding, Threaded, and Buttwelding Ends Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. 127 Park Street, NE Vienna, Virginia 22180 (703) 281-6613 Email: info@mss-hq.org Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS - - ` , , ` ` ` , , , , ` ` ` ` - ` - ` , , ` , , ` , ` , , ` - - - MSS STANDARD PRACTICE SP-97 i This MSS Standard Practice was developed under the consensus of the MSS Technical Committee 105 and the MSS Coordinating Committee. The content of this Standard Practice is the result of the efforts of competent and concerned volunteers to provide an effective, clear, and non-exclusive specification that will benefit the industry as a whole. This MSS Standard Practice is intended as a basis for common practice by the manufacturer, the user, and the general public. 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. Mandatory conformance is established only by reference in a code, specification, sales contract, or public law, as applicable. U.S. customary units in this SP are the standard; the metric units are for reference only. Non-toleranced dimensions in this Standard Practice are nominal, and, unless otherwise specified, shall be considered "for reference only". In this Standard Practice all notes, annexes, tables, and figures are construed to be essential to the understanding of the message of the Standard Practice and are considered part of the text unless noted as “supplemental”. Unless otherwise specifically noted in this MSS SP, any standard referred to herein is identified by the date of issue that was applicable to the referenced standard(s) at the date of issue of this MSS SP. (See Annex C). Substantive changes in this 2006 edition are “flagged” by parallel bars as shown on the margins of this paragraph. The specific detail of the change may be determined by comparing the material flagged with that in the previous edition. Any part of this Standard Practice may be quoted. Credit lines should read 'Extracted from MSS SP-97, 2006, with permission of the publisher, the Manufacturers Standardization Society.' Reproduction prohibited under copyright convention unless written permission is granted by the Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Originally Approved June 1987 Copyright © 1987 by Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Printed in U.S.A. Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS --`,,```,,,,````-`-`,,`,,`,`,,`--- MSS STANDARD PRACTICE SP-97 ii TABLE OF CONTENTS SECTION PAGE 1 SCOPE..................................................................................................................................................1 2 SERVICE DESIGNATION .................................................................................................................1 3 SIZE......................................................................................................................................................2 4 MARKING...........................................................................................................................................2 5 MATERIAL .........................................................................................................................................2 6 DESIGN AND DIMENSION ..............................................................................................................3 7 TESTS ..................................................................................................................................................3 TABLE 1 Correlation of Fittings Class with Schedule Number or Wall Designation of Run Pipe for Calculation of Ratings ..........................................................................1 2 Branch Outlet Height - Buttwelding, Customary Units .....................................................................4 3 Branch Outlet Height - Threaded, Customary Units ..........................................................................5 4 Branch Outlet - Socket Welding, Customary Units ...........................................................................6 A 1 Branch Outlet Height - Buttwelding, Metric Units ............................................................................7 A 2 Branch Outlet Height - Threaded, Metric Units .................................................................................8 A 3 Branch Outlet - Socket Welding, Metric Units ..................................................................................9 FIGURE 1 Fitting Consolidation Gap Allowance ................................................................................................2 ANNEX A Metric (SI) Tables ....................................................................................................................7, 8, 9 B Design Proof Test ...........................................................................................................................10 C Referenced Standards and Applicable Dates....................................................................................11 Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS - - ` , , ` ` ` , , , , ` ` ` ` - ` - ` , , ` , , ` , ` , , ` - - - MSS STANDARD PRACTICE SP-97 1 INTEGRALLY REINFORCED FORGED BRANCH OUTLET FITTINGS - SOCKET WELDING, THREADED AND BUTTWELDING ENDS 1. SCOPE 1.1 This Standard Practice covers essential dimen- sions, 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. 1.2 Fittings manufactured to this Standard Practice are designed to make a fully reinforced branch connection in accordance with applicable piping code requirements, when attached, at an opening in a run pipe by means of a full penetration weld. 1.3 Fittings may be made to special dimensions, size, shape, tolerances, or of other wrought material by agreement between the manufacturer and the purchaser. 2. SERVICE DESIGNATION 2.1 These fittings are designated by their size, type, and class, as shown in Table 1. 2.2 Design temperature and other service conditions shall be limited as provided by the applicable piping code or regulation for the material of construction of the fitting. Within these limits, the maximum allow- able pressure of a fitting shall be that computed for straight seamless run pipe of equivalent material (as shown by comparison of composition and mechani- cal properties in the respective material specifica- tions). The wall thickness used in such computation shall be that tabulated in ANSI B36.10M for the size and applicable schedule of pipe reduced by applicable manufacturing tolerances and other allowances (e.g., threaded allowances). 2.3 Any corrosion allowance and any variation in allowable stress due to temperature or other design shall be applied to the pipe and fitting alike. The pipe wall thickness corresponding to each Class of fitting, for rating purposes only, is shown in Table 1. TABLE 1 Correlation of Fittings Class With Schedule Number or Wall Designation of Run Pipe for Calculation of Ratings CLASS OF FITTING TYPE BRANCH SIZE PIPE WALL FOR RATING BASIS (a) Standard Extra Strong Schedule 160 3000 6000 Buttwelding Buttwelding Buttwelding Threaded & Socket Welding Threaded & Socket Welding NPS 1/8 – 24 NPS 1/8 – 24 NPS 1/2 – 6 NPS 1/8 – 4 NPS 1/2 - 2 Standard Extra Strong Schedule 160 Extra Strong Schedule 160 (a) Note: The use of run or branch pipe wall thickness either thinner or thicker than shown in Table 1 constitutes a deviation from this Standard Practice and is provided for in Section 1.3. Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS - - ` , , ` ` ` , , , , ` ` ` ` - ` - ` , , ` , , ` , ` , , ` - - - MSS STANDARD PRACTICE SP-97 2 3. SIZE 3.1 The branch outlet sizes considered in this Standard Practice are shown in Table 1. Size on size fittings shall be limited to outlet sizes 1/2 and larger. 3.2 The run (header) pipe size is limited only by the pipe size range listed for each type fitting class. 3.3 The manufacturer has the option to consolidate run sizes for a given branch size for economic reasons, provided the designated consolidation gap distance between the run pipe radius and the fitting inlet radius does not exceed 1/16" (1.6 mm). See Figure 1. 4. MARKING 4.1 Each fitting shall be permanently marked with the required identification by raised lettering, and/or by stamping, electro-etching or vibro tool. 4.2 The marking shall include (but it is not limited to) the following: a) Manufacturer's name or trademark. b) Material Identification The material shall be identified in accordance with the marking requirements of ASTM Specifications, including Heat Identification. c) Class The Fitting Class - "STD" (Stan- dard), "XS" (Extra Strong), "SCH 160" (Schedule 160), "3000" or "6000". Alterna- tively the designation 3M or 6M, as applicable, may be used where "M" stands for 1,000. d) Size The nominal size of the pipe that the fitting's marking identifies - Run (or consoli- dated range) NPS X Outlet NPS. e) SP 97 This marking indicates compliance with MSS SP-97. 4.3 Where size and shape of fittings do not permit all of the above markings, they may be omitted in the reverse order given above. 5. MATERIAL 5.1 The material for fittings shall consist of forgings, bars, and seamless tubular products that conform to the melting process requirements, chemical com- position requirements, and mechanical property re- quirements of the forging product form listed in Table 1, found in ASME B16.34, including notes. FIGURE 1 Fitting Consolidation Gap Allowance (Illustrative Only) Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS - - ` , , ` ` ` , , , , ` ` ` ` - ` - ` , , ` , , ` , ` , , ` - - - MSS STANDARD PRACTICE SP-97 3 6. DESIGN AND DIMENSION 6.1 A run pipe having a branch connection is weak- ened by the opening made in it. The branch connec- tion must reinforce the opening and restore the original strength of the run pipe. It is the intent of this Standard Practice that these integrally reinforced branch outlet fittings and the deposited weld metal used to attach the fittings to run pipes contain all the reinforcement required by the applicable piping codes without the addition of saddles or pads. 6.1.1 The adequacy of the design of branch connection fittings may be established by mathematical analyses contained in pressure vessel or piping codes, or, at the manufacturer's option, by proof testing in accordance with Section 7 and Annex B. Records of design or proof tests shall be available at the manufacturer's facility for inspection by the purchaser. 6.1.2 The codes permit a variety of attachment welds for these fittings. Typical branch attachments are shown in ASME B31.1 and B31.3. 6.1.3 Fittings shall be contoured to provide a good fit at the opening in the run pipe. The run attachment weld bevel angle design will vary with the size and type of fitting and with the manufacturer. The size of the run opening is dependent on the manufacturer's specification. 6.2 Buttwelding Buttwelding end finish shall comply with the standard welding bevel and root face of ASME B16.25. 6.3 Threads Threads in threaded fittings shall comply with ASME B1.20.1 requirements for NPT. 6.3.1 The minimum wall thickness at the root of the thread at the hand tight plane shall be equal to or greater than the nominal wall of the pipe schedule for the appropriate fitting class, as shown in Table 1. 6.4 Socket Weld Socket Weld fittings shall meet the minimum socket depth, minimum socket wall thickness and socket diameter of ASME B16.11 for the appropriate class. 6.5 The contour weld bevel angle on the longitudi- nal section of the fittings shall be minimum of 35 degrees. The weld bevel angle on the transverse sec- tion of the fitting is based on the manufacturer's specification. 7. TESTS 7.1 Hydrostatic testing of wrought fittings is not required by this Standard Practice. All fittings shall be capable of withstanding, without leakage or impairment of serviceability, a pressure equal to that prescribed in the applicable code or regulation for seamless pipe of equivalent material and schedule listed in Table 1. 7.2 Proof testing is not required, but when performed to meet the requirements of Section 6.1.1 shall be conducted in accordance with Annex B. Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS --`,,```,,,,````-`-`,,`,,`,`,,`--- MSS STANDARD PRACTICE SP-97 4 TABLE 2 Branch Outlet Height – Buttwelding, Customary Units “A” (FACE OF FITTING TO CROTCH) STANDARD EXTRA STRONG SCHEDULE 160 OUTLET NPS Reducing Full Reducing Full Reducing Full 1/8 .62 - .62 - - - 1/4 .62 - .62 - - - 3/8 .75 - .75 - - - 1/2 .75 .75 .75 .75 1.12 1.12 3/4 .88 .88 .88 .88 1.25 1.25 1 1.06 1.06 1.06 1.06 1.50 1.50 1-1/4 1.25 1.25 1.25 1.25 1.75 1.75 1-1/2 1.31 1.31 1.31 1.31 2.00 2.00 2 1.50 1.50 1.50 1.50 2.18 2.18 2-1/2 1.62 1.62 1.62 1.62 2.44 2.44 3 1.75 1.75 1.75 1.75 2.88 2.88 3-1/2 1.88 2.00 1.88 2.00 - - 4 2.00 2.00 2.00 2.00 3.31 3.31 5 2.25 2.25 2.25 2.25 3.69 3.69 6 2.38 2.38 3.06 3.06 4.12 4.12 8 2.75 2.75 3.88 3.88 - - 10 3.06 3.06 3.69 3.50 - - 12 3.38 3.38 4.06 3.94 - - 14 3.50 3.50 3.94 4.12 - - 16 3.69 3.69 4.18 4.44 - - 18 3.81 4.06 4.38 4.69 - - 20 4.00 4.62 4.69 5.00 - - 24 4.56 5.38 5.50 5.50 - - Dimensions are in Inches Tolerances: 1/8 – 3/4 ± .03 in. 1 – 4 ± .06 in. 5 – 12 ± .12 in. 14 – 24 ± .19 in. Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS - - ` , , ` ` ` , , , , ` ` ` ` - ` - ` , , ` , , ` , ` , , ` - - - MSS STANDARD PRACTICE SP-97 5 TABLE 3 Branch Outlet Height – Threaded, Customary Units “A” (FACE OF FITTING TO CROTCH) THREADED OUTLET NPS 3000 6000 1/8 .75 - 1/4 .75 - 3/8 .81 - 1/2 1.00 1.25 3/4 1.06 1.44 1 1.31 1.56 1-1/4 1.31 1.62 1-1/2 1.38 1.69 2 1.50 2.06 2-1/2 1.81 - 3 2.00 - 4 2.25 - Dimensions are in Inches Tolerances: 1/8 – 1/4 ± .03 in. 1 – 4 ± .06 in. Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS --`,,```,,,,````-`-`,,`,,`,`,,`--- MSS STANDARD PRACTICE SP-97 6 TABLE 4 Branch Outlets – Socket Welding Customary Units “C” MAX. OUTLET “B” NPS MIN. (a) 3000 6000 1/8 0.38 0.41 - 1/4 0.38 0.41 - 3/8 0.38 0.50 - 1/2 0.38 0.63 0.94 3/4 0.50 0.63 1.00 1 0.50 0.88 1.13 1-1/4 0.50 0.88 1.19 1-1/2 0.50 0.94 1.25 2 0.62 0.94 1.44 2-1/2 0.62 1.00 - 3 0.62 1.19 - 4 0.75 1.19 - (a) Note: "B" Minimum Socket Depth per ASME B16.11 Dimensions are in inches Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS - - ` , , ` ` ` , , , , ` ` ` ` - ` - ` , , ` , , ` , ` , , ` - - - MSS STANDARD PRACTICE SP-97 ANNEX A TABLE A1 Branch Outlet Height – Buttwelding, Metric Units “A” (FACE OF FITTING TO CROTCH) 7 STANDARD EXTRA STRONG SCHEDULE 160 OUTLET OUTLET DN NPS Reducing Full Reducing Full Reducing Full 6 1/8 16 - 16 - - - 8 1/4 16 - 16 - - - 10 3/8 19 - 19 - - - 15 1/2 19 19 19 19 28 28 20 3/4 22 22 22 22 32 32 25 1 27 27 27 27 38 38 32 1-1/4 32 32 32 30 44 44 40 1-1/2 33 33 33 32 51 51 50 2 38 38 38 38 55 55 65 2-1/2 41 41 41 41 62 62 80 3 44 44 44 44 73 73 90 3-1/2 48 51 48 51 - - 100 4 51 51 51 51 84 84 125 5 57 57 57 57 94 94 150 6 60 60 78 78 105 105 200 8 70 70 99 99 - - 250 10 78 78 94 89 - - 300 12 86 86 103 100 - - 350 14 89 89 100 105 - - 400 16 94 94 106 113 - - 450 18 97 103 111 119 - - 500 20 102 117 119 127 - - 600 24 116 137 140 140 - - Dimensions are in Millimeters Tolerances: 1/8 – 3/4 ± 0.8mm 1 – 4 ± 1.6mm 5 – 12 ± 3.2mm 14 – 24 ± 4.8mm Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS --`,,```,,,,````-`-`,,`,,`,`,,`--- MSS STANDARD PRACTICE SP-97 8 ANNEX A (Continued) Table A2 Branch Outlet Height – Threaded, Metric Units “A” (FACE OF FITTING TO CROTCH) THREADED OUTLET OUTLET DN NPS 3000 6000 6 1/8 19 - 8 1/4 19 - 10 3/8 21 - 15 1/2 25 32 20 3/4 27 37 25 1 33 40 32 1-1/4 33 41 40 1-1/2 35 43 50 2 38 52 65 2-1/2 46 - 80 3 51 - 100 4 57 - Dimensions are in Millimeters Tolerances: 1/8 – 1/4 ± 0.8mm 1 – 4 ± 1.6mm Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS --`,,```,,,,````-`-`,,`,,`,`,,`--- MSS STANDARD PRACTICE SP-97 ANNEX A (Continued) TABLE A3 Branch Outlets – Socket Welding, Metric Units 9 “C” MAX. OUTLET OUTLET “B” (a)DN NPS MIN. 3000 6000 6 1/8 10 10 - 8 1/4 10 10 - 10 3/8 10 13 - 15 1/2 10 16 24 20 3/4 13 16 25 25 1 13 22 29 32 1-1/4 13 22 30 40 1-1/2 13 24 32 50 2 16 24 37 65 2-1/2 16 25 - 80 3 16 30 - 100 4 19 30 - (a) Note: "B" Minimum Socket Depths per ASME B16.11 Dimensions are in Millimeters Copyright MSS Provided by IHS under license with MSS Not for ResaleNo reproduction or networking permitted without license from IHS - - ` , , ` ` ` , , , , ` ` ` ` - ` - ` , , ` , , ` , ` , , ` - - - MSS STANDARD PRACTICE SP-97 ANNEX B DESIGN PROOF TEST 10 Alternately, the test is considered successful if the assembly withstands, without rupture, a test pressure of 105 percent of the computed test pressure defined above. B1. Proof Test Administration B1.1 Proof tests shall be made as set forth herein as evidence of the adequacy of branch connections employing these outlet fittings. B3. It is not necessary to conduct an individual test of fittings in all combinations of sizes, wall thickness, and pressure class. A successful proof test on one prototype fitting may represent other similarly proportioned fittings to the extent described herein. B2. Proof Test Procedure B2.1 Fittings selected for testing shall be representative of production fittings, shall be identified as to material, grade, and class, and shall be inspected for compliance with this Standard Practice. B3.1 A successful test on a full size fitting may be used to qualify other full sized fittings no smaller than one-half nor larger than two-times the size of the test fitting. B2.2 Run and branch pipe sections, assembled with a fittin
/
本文档为【MSS_SP-97-2006_承插焊、螺纹和对焊端的整体加强式管座】,请使用软件OFFICE或WPS软件打开。作品中的文字与图均可以修改和编辑, 图片更改请在作品中右键图片并更换,文字修改请直接点击文字进行修改,也可以新增和删除文档中的内容。
[版权声明] 本站所有资料为用户分享产生,若发现您的权利被侵害,请联系客服邮件isharekefu@iask.cn,我们尽快处理。 本作品所展示的图片、画像、字体、音乐的版权可能需版权方额外授权,请谨慎使用。 网站提供的党政主题相关内容(国旗、国徽、党徽..)目的在于配合国家政策宣传,仅限个人学习分享使用,禁止用于任何广告和商用目的。

历史搜索

    清空历史搜索