1、IMUUI February 1961 Supplement 1 API STD 6B(Sixth Edition)SPECIFICATION for RING-JOINT FLANGES for DFULLING AND PRODUCTION SERVICE(2000,3000,and 5000 Lb)AMERICAN PETROLEUM MSTIWTE New York,N.Y.Issued by AMERICAN PETROLEUM INSTITLTTE Division of Production Dailas 1,Texas Supplement 1 to 6th Edn.Std 6
2、B Foreword This supplement coven changes in API S t d 6B:RingJoint Flanges for Dnlling and Production Sewics adopted at the 1960 midyear meeting and reported in Cire PS-1182.Table 4 and Table 5:Delete the d a b&wtcrisks in Column 10 on aizc 2 in.and 2%in.Also delets thd doublc asterisk footnote undc
3、r Tab&4 and Table 6 reading,*Fianges in 2-in.and 2%in.rizes ihall be furnished with.Table 10,Note 3:Deletc all refer6nea to gasket number BX-58.Par.29:R e p h e czisting paragraph with ths fol-Iowing:29.Test Pressure.Flanges furnished under this specification are not regularly shop tested;however,th
4、ey shall be capable of withstanding hydrostatic test pressure as given in Table 1 2.TABLE.12 STD 6B DRILLING AND PRODUCTION FLANGE HYDROSTATIC TEST PRESSURE 1 2 3 T e s t Pressure,psi r 7 Maximum Flange Size Flange Size Rating,psi Smaller Larger 720 1100 1100 960 1450 1450 2000 4000 3000 3000 6000 4
5、500 5000 10000.Working-Pressure 14 in.and 16 in.and Appendix D:List of Authorized Manufacturera Under ring-joint ilangcs add:Midwest Piping Company,Inc,St.Louis,Mo.Newman.Hender&Co.Ltd,Woodchester.Rector well Equipment Co,Inc,Stroud,Clos.,England.Ft.Worth,Texas.ner ring-joint gaskets add:Southern Ca
6、lifornia Oil T o o l Co,Bell,Calif.API STD 6B Sixth Edition April 1960 API SPECIFICATION for c RING-JOINT FLANGES for DRILLING AND PRODUCTION SERVICE(2000,3000,and 5000 Lb)AMERICAN PETROLEUM INSTITUTE New York,N.Y.-Issued by AMERICAN PETROLEUM INSTITUTE Division of Productlon Dallas 1,TexAs Rice:50
7、Cents 2 American Petroleum Institute TABLE OF CONTENTS Page Suggestions for Ordering.-.-.-.-.-.-.-.-.2 Foreword _._._._._._._._._-.-.*.-.-.-.-.-.-.-.-.-.-.3 Sect.I:Scope _._._._.-._._.-.-.*.-.-.-.-.-.-.-.-.-._ 3 Sect.II:Materiais.4 Sect.III:Maximum Working Pressure Ratings._._._._._._.4 Sect.IV:Desi
8、gn _._._._._._._._._.-.-.-.-.-.-.-.-.5 Sect.V:Ring-Joint Gaskets.Sect.VI:Marking.Sect.VII:Inspection and Rejection._.16 Appendix A:Method for Calculating Stud Bolt Lengths.17 Appendix B:720-lb Maximum Working Pressure Flanges.-.-18 Appendix C:960-lb Maximum Working Pressure Flanges.-.-.-.-.0 Appendi
9、x D:List of Authorized Manufacturers.Appendix E:Use of API Monogram._.23 99 SUGGESTIONS FOR ORDERING In placing orders for flanges to be manufactured in accordance with APl SM 6B,purchasers should specify the following on their purchase ordern:1.Specification.-.API Std 6B 2.Quantity.3.Size.Par.c,For
10、eword 4.Type of flange.Par.2 5.Working pressure rating,.Par.10 6.Thread rtyle and size.-.-.-.ar.14 7.Bore diameter(welding-neck flange).Tables 3,4,and 5 The purchaser should also state on the purchase order hin requkemenb concerning the following stipulations,which are optional with the purchaser:8.
11、Bolting._.Par.3,9,and 16 9.Bolting lengths(other than atand BORE DIYWSIONS L L W H L JL 2 1%x34 3 1.90 2 1%3&2.38 O 3 3*3.60 f c 6 2*4%6.63 O 8 8 3 4 i1 8.63 P I X .-o4 a L a2 1 il 3x5 2.88 4 2 A 311 4.60 6 2x5 4A 6.66 o-3%a 9i 10 3A 6 h 10.75 12.75.v1 16.00 12 3it 16 4 6 h 20 4%7 2 1 3.0 1 3 REQUIR
12、EMENTS 1.Bolt holes shall be drilled%in.larger in diam-eter than the rpecified bolt diameter.2.The contour of the flange face outside the K diameter is optional with the manufacturer unless raised or full face is specified on the purchase order.3.Rjng-groove radius R t shall be h in.for groove andth
13、s JI and 19:ri in.for width BI.I 68.1,2,A.1,A.2 I LINE-PIPE FLANGE 4.The tolerance on dimension L n shall be 10 in.and smaller.-._.th 12 in.and larger.I%6.The tolerance on dimension Hi.shall be 5 in.and smaller.+i%,-?a 6 in.and larger.-.+A,-h 6.The tolemnce on dimension JL shall be 10 in.and smaller
14、.I h 12 in.and 16 in.eh 20 in.+%,-?e 7.The bore diameter of welding-neck flanges shall be as specified on the purchase order.8.The wall thickness of welding-neck flanges shall not be less than 8734 per cent of the nominal wall thickness of the corresponding size of pipe to which the flange IS to be
15、attached.9.The welding end of welding-neck flanges shall be cylindrical or ahall have a maximum draft of 7 de.The length shall be sufficient to insure a sounrfweld,but in no case shall be less than k in.See Fig.3.10,The welding bevel of welding-neck flanges shall beas follows:a.For wall thicknesses
16、h i t o%i in.,inclusive,b.For&all thicknesses greater than Ib in.,see Fig.1,Detail A.see Fig.1,Detail B.c Welding ends having thicknesses less than h in.shall be prepared with a slight cham-fer or square in accordance with manufac-turers practice.-Amerfun Petroleum Inatltuta 22 APPENDIX D LIST OF AUTHORIZED MANUFACTURERS Companies authorized to use the API monogram on ring-joint flanges and ring-joint gaskets manufac-tured in accordance with API Std 6B are listed below.(As of April 1960)Ring-Joi
