Pocket Guide to Flan..

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Figure 4-7. Hubs used with API clamp type connectors. (Courtesy of American Petroleum Institute.) I Figure 4-8. API clamp type connectors for use on hubs. (Courtesy of American Petroleum Institute.) 98
API Hubs and Clamps Figures 4-7 and 4-8 show hubs and clamp type connectors used by some wellhead manufacturers for 5,000 and 10,000 Ib psi pressure ratings. Hubs are designed by nominal size and bores. Clamps are designated by clamp numbers, 1A through 15A. Clamp numbers 9A through 15A require a spherical washer. The nuts for clamps 1A through 8A have a spherical facing. RX type ring gaskets are used on clamp connectors. Tables 4-17 and 4-18 show the nominal hub size, hub OD, clamp number, clamp weight, RX gasket number, the bolt size and length, spherical washer size, and the Table 4-17 API Clamp Type Connectors Integral Hubs and Clamps 5000 psi Maximum Working Pressure OD Clamp Nut Size Nominal of Hub Ring Clamp Weight for Clamp Size (in.) (in.) Number Number (Ib$) (in.) 2Vie 5.500 RX-23 1A 35 7h-9UNC-2B 17he 29116 6.750 RX-24 2A 45 1-8UNC-2B 1% 31/8 7.500 RX-27 3A 100 1 lh-8UN-2B 113/16 41/le 9.250 RX-35 4A 56 11/4-8UN-2B 2 51/8 11.500 RX-39 5A 67 1%-8UN-2B 23/lS 7V16 13.625 RX-45 6A 111 1%-8UN-2B 29116 9 16.000 RX-49 7A 160 2-8UN-2B 3118 11 18.500 RX-53 8A 242 21h-8UN-2B 3% 13318 20.625 RX-57 9A 225 2%-8UN-2B 41/le 16314 25.625 RX-65 10A 345 31h-8UN-2B 5 Wrench Size for Washer Nut (in.) OD (in.) * Clamp sizes 1A through 8A require the use of spherical face nuts. Clamp sizes 9A and 10A require the use of spherical washers and standard nuts. m m m E 4.06* 5.00 99
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Pocket Guide to Flanges, Fittings,
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equired to fit the nut. An oval rin
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Acknowledgments, Page x Preface, Pa
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"Im~L~_ZATLO R ~ORGE_A ~ Welding Ne
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E E I- e-- E ~ o ~ N ~5 c- O e,- ~
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common in 150-1b and 300-1b classes
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Slip-on Flange Lap Joint Flange Fig
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A B figure 1-7. Reducing and blind
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Figure 1-10. Cutaway of an orifice
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Accounting Records Good technical d
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16 l! ':l,i, :~! :l, :~t ' ' '~i, :
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als control persons. Familiarize yo
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Do not grease, spray, or clean bolt
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9 . Figure 1-15. Dimensional gauge
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Table 1-3 Alloy Steel Stud Bolts fo
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Table 1-11 Alloy Steel Stud Bolts f
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uJ o0 Z O 03 03 0'3 o coco co ~ o c
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2 ANSI BUTTWELD FITTINGS ANSI buttw
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Figure 2-2.90-degree elbows, long a
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. . . . . 45 , ,~ + 9 ' 'i'i .~i"~;
Page 51 and 52: Figure 2-5. 180-degree returns, lon
Page 53 and 54: ' Tees Crosses C C @ ALj~ A A B Tee
Page 55 and 56: Lap Joint Stub Ends The stub end is
Page 57 and 58: Figure 2-13. Pipe saddle. (Courtesy
Page 59 and 60: Large diameter fittings can be stor
Page 61 and 62: Figure 2-17. Flat type and ridge ty
Page 63 and 64: 59 S3ZI$ NNtl ~ ~!i~:~_~ ~= ~~ w 0
Page 65 and 66: the Olets are shown in the table, a
Page 67 and 68: threaded, socket weld, and buttweld
Page 69 and 70: Storing Olets All threaded sizes of
Page 71 and 72: Table 3-1 Pipe Chart (Courtesy of T
Page 73 and 74: Table 3.1 continued 3V2 4.000 5 10
Page 75 and 76: Table 3-1 continued 12 12.750 40 60
Page 77 and 78: Table 3-1 continued 26 26.000 28 28
Page 79 and 80: Seamless Pipe This type of pipe is
Page 81 and 82: Table 3-2 Bundling Schedule Nominal
Page 83 and 84: ~+L ". ! ~RACK 8~ ~ ,,..__, .----+,
Page 85 and 86: 5. Always measure pipe within tenth
Page 87 and 88: 4 APi FLANGES The difference betwee
Page 89 and 90: New API Bore Sizes for Flanges and
Page 91 and 92: API Type 6B and 6BX Flanges 2,000-2
Page 93 and 94: Table 4-7 API Type 6BX Weldneck Fla
Page 95 and 96: Table 4-11 API Type 6BX Integral Fl
Page 97 and 98: x45 ,_1 -< ~§ 1/32 mox "qP'-" ~- O
Page 99 and 100: Bolt lengths have been calculated t
Page 101: s I S DETAIL I DETAIL 2 Figure 4-6.
Page 105 and 106: wrench size required to fit the nut
Page 107 and 108: Table 4.21 BX Gaskets for API Type
Page 109 and 110: Table 5-1 Dimensions for Stainless
Page 111 and 112: T .......... 0 -~ ~ ---~ O.D. r---
Page 113 and 114: The most likely types of stainless
Page 115 and 116: ' / k STRAIGHT TEES STRAIGHT CROSSE
Page 117 and 118: STUB ENDS--MSS SHORT LENGTHS TYPE C
Page 119 and 120: Table 5-2 Dimensions for Stainless
Page 121 and 122: Nominal P~pe Size ...... .... i/| .
Page 123 and 124: ~ OM. I OUTSIDE LAP IPE DIAMETER Dl
Page 125 and 126: Table 5-3 continued SCHEDULE 80S Ex
Page 127 and 128: Table 5-4 Color Code Chart Type of
Page 129 and 130: AISI TYPE 302 303 303Se 304 308 309
Page 131 and 132: 6 MISCELLANEOUS ITEMS There are sma
Page 133 and 134: Coupling Half Couplinll Reducer Cap
Page 135 and 136: Figure 6-6. Sub-tubing nipple, pup-
Page 137 and 138: Gaskets require proper storage meth
Page 139 and 140: I 7 PIPELINE PIGS Pipelines require
Page 141 and 142: Figure 7-2. Spherical pipeline pigs
Page 143 and 144: Figure 7-4B. Pipeline pig closures.
Page 145 and 146: The KnolDp Polly-Spt'~re through th
Page 147 and 148: The diameter of Polly-Pigs is usual
Page 149 and 150: STYLE m ! m CID TYPE RCC-SC (Red cr
Page 151 and 152: Z ~ ONNN~NbNN~NbNN~b~b ~ Z ~ ~ ~ ~
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8 MATERIALS HANDLING TIPS Tallying
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Figure 8-2. Engineer's tape and boa
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1 2 3 4 5 6 1. Purchase order numbe
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Vendor Data Invariably vendor data
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Brz BSE CI Cm CS Cu CW Chk Cpl CSC
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MM M&F Max Mfg Min Misc MRR MSS MTO
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Spl Sht Scrd Smls Spec bid 162 TI T
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27 cubic feet = 1 cubic yard 0.6213
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INDEX Abbreviations, piping, 149-15
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educing, 47-49 service, 48 side out
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pressures required for polly- piggi
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ABOUT THE AUTHOR R. R. Lee is the v
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