Pocket Guide to Flan..

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in. wall thickness. All three have the same meaning per Table 1-1, in the 6-in. size. Stud Bolts ANSI Flange Bolting In ANSI piping, stud bolts are stamped with identifying numbers on the ends of bolts and the face of the nuts. A common mark for bolts is B7, and Grade 2H on the nuts. The bolts are often plated with various coatings, some of which are listed below: Plating Marking Cadmium B7 Zinc L7 Chromium B16 Tin B8 Silver B8M Stud bolts are shipped from vendors as so many bolts/ nuts per pound. If the purchase order states 100 stud bolts with two heavy hex nuts each, then you may re- ceive 99 or 102 bolts with nuts. To save time, and avoid counting each bolt, verify the total weight as being cor- rect, verify about 25% of the markings per the specifica- tion, then store the bolts in the shipping container rather than using valuable warehouse shelving space. 19
Do not grease, spray, or clean bolts without specific in- structions from your supervisor. Do not store new bolts with used bolts. Machine Bolts The machine bolt is commonly used for slip-on and threaded flanges. Only one heavy hex nut is required for a machine bolt. Both the bolt and the nut are identified the same way as for stud bolts. Measuring Stud Bolts A fast way to measure a stud bolt diameter is by measuring the thickness of the heavy hex nut; for example, a 1/2-in. diameter bolt has a heavy hex nut that is 1/2-in. thick. Measure the length of stud bolts to the nearest 1/4-in. from thread to thread, less the point heights as shown in Figure 1-13. CI I [ llilliiai ]IIO i lliIiIiIiliII Point height Stud Bolt With Nuts Figure 1-13. Method of measuring stud bolts. (Courtesy of the American Petro- leum Institute.) 20
Page 1 and 2: Pocket Guide to Flanges, Fittings,
Page 3 and 4: equired to fit the nut. An oval rin
Page 5 and 6: Acknowledgments, Page x Preface, Pa
Page 7 and 8: "Im~L~_ZATLO R ~ORGE_A ~ Welding Ne
Page 9 and 10: E E I- e-- E ~ o ~ N ~5 c- O e,- ~
Page 11 and 12: common in 150-1b and 300-1b classes
Page 13 and 14: Slip-on Flange Lap Joint Flange Fig
Page 15 and 16: A B figure 1-7. Reducing and blind
Page 17 and 18: Figure 1-10. Cutaway of an orifice
Page 19 and 20: Accounting Records Good technical d
Page 21 and 22: 16 l! ':l,i, :~! :l, :~t ' ' '~i, :
Page 23: als control persons. Familiarize yo
Page 27 and 28: 9 . Figure 1-15. Dimensional gauge
Page 29 and 30: Table 1-3 Alloy Steel Stud Bolts fo
Page 37 and 38: Table 1-11 Alloy Steel Stud Bolts f
Page 43 and 44: uJ o0 Z O 03 03 0'3 o coco co ~ o c
Page 45 and 46: 2 ANSI BUTTWELD FITTINGS ANSI buttw
Page 47 and 48: Figure 2-2.90-degree elbows, long a
Page 49 and 50: . . . . . 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 and 102:
s I S DETAIL I DETAIL 2 Figure 4-6.
Page 103 and 104:
API Hubs and Clamps Figures 4-7 and
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 ~ ~ ~ ~
Page 153 and 154:
8 MATERIALS HANDLING TIPS Tallying
Page 155 and 156:
Figure 8-2. Engineer's tape and boa
Page 157 and 158:
1 2 3 4 5 6 1. Purchase order numbe
Page 160 and 161:
Vendor Data Invariably vendor data
Page 162 and 163:
Brz BSE CI Cm CS Cu CW Chk Cpl CSC
Page 164 and 165:
MM M&F Max Mfg Min Misc MRR MSS MTO
Page 166 and 167:
Spl Sht Scrd Smls Spec bid 162 TI T
Page 168 and 169:
27 cubic feet = 1 cubic yard 0.6213
Page 170 and 171:
INDEX Abbreviations, piping, 149-15
Page 172 and 173:
educing, 47-49 service, 48 side out
Page 174 and 175:
pressures required for polly- piggi
Page 176:
ABOUT THE AUTHOR R. R. Lee is the v
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