Full_Addendum Bull Plugs
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Transcript of Full_Addendum Bull Plugs
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8/13/2019 Full_Addendum Bull Plugs
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Date of Issue: December 2008
Affected Publicat ion: API Specification 6A/ISO 10423:2003, Specification for Wellhead and Christmas
Tree Equipment, Nineteenth Edition, July 2004
Addendum 4
Add the following clause as new 10.21.4
10.21.4 Coating
Bullplug threads shall be zinc or tin electroplated or phosphated, or processed by some other acceptablemethod which will minimize galling and develop the maximum leak resistance characteristics of theconnection. The threads shall be gauged after coating.
Renumber existing 10.21.4 Quality Control to 10.21.5 Quality Control
Renumber existing 10.21.5 Marking to 10.21.6 Marking
Renumber existing 10.21.6 Storing and Shipping to 10.21.7 Storing and Shipping
Replace drawing in Table 85 and Table B.85 [ a) Round plug figure] with figure shown below:
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Replace Table 85 with Table 85 shown below:
Nominalthread
size
Al l bul lplugs Roundplugs
Plugs withexternal hex
Plugs with internalhex
Diameterof round
Minimumlength ofthread to
vanishpoint
Depth ofcounter-
borea
Diameter ofcounter-
borebDiameter
ofChamfer
k
Overalllength
b
Hex size(across
flats)
Heightof
hex b
Lengthof plug
withexternal
hex b
Internalhex size
Depthof
hex b
Lengthof plug
withinternal
hex b
I D L4 C d e L He B Le Hi G Li
1/2 21,43 c 19,85 None None None 51,0 22,2 e 7,9 28,7 9,7 h 7,9 25,4
3/4
26,59 c 20,15 None None None 51,0 27,0 f 9,7 31,8 14,2 i 7,9 25,4
1
33,34 d 25,01 None None None 51,0 34,9 g 9,7 35,1 16,0j 9,7 25,4
11/4 42,07 25,62 27,0 22,4 None 51,0
11/2 48,42 26,04 27,0 25,4 None 51,0
2 60,33 26,88 64,0 41.0 50,8 102,0
21
/2 73,03 39,91 41,5 44,5 None 102,0 3 88,90 d 41,50 41,5 57,2 None 102,0
31/2 101,60 d 42,77 44,5 69,9 None 102,0
4 114,30 d 44,04 44,5 76,2 None 102,0
a Tolerance
b Tolerance
c Tolerance
d Tolerance
0,5
+1,0_
0
+ 0,20__
0
+0,25__
0
e Tolerance
f
Tolerance
g Tolerance
+0__
0,64
+0_
0,79
+0__
1,04
hTolerance
i Tolerance
j Tolerance
k Tolerance
+0_0,10
+0_0,13
+ 0__0,15
+0,5_0
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Replace Table B.85 with Table B.85 shown below:
Nominalthread
size
All bul lplugs Roundplugs
Plugs withexternal hex
Plugs with internalhex
Diameterof round
Minimumlength ofthread tovanishpoint
Depth o fcounter-
borea
Diameter ofcounter-
boreb Diameter
of Chamferk
Overalllength b
Hexsize
(acrossflats)
Height ofhex b
Lengthof plug
withexternal
hex b
Internalhex size
Depthof
hex
Lengthof plug
withinternal
hex b
(in) D L4 C d e L He B Le Hi G Li1/2 0,84 c 0,781 5 None None None 2 0,88 e 0,31 1,13 0,38 h 0,31 1,00
3/4 1,05 c 0,793 5 None None None 2 1,06 f 0,38 1,25 0,56 i 0,31 1,00
1 1,32 d 0,984 5 None None None 2 1,38 g 0,38 1,38 0,63j 0,38 1,00
11/4 1,66
d 1,008 5 1,06 0,88 None 2
1
1
/2 1,90
1,025 2 1,06 1,00 None 2 2 2,38
1,058 2 2,52 1,61 2,00 4
21/2 2,88
1,571 2 1,63 1,75 None 4
3 3,50
1,633 7 1,63 2,25 None 4
31/2 4,00
d 1,683 7 1,75 2,75 None 4
4 4,50 d 1,733 7 1,75 3,00 None 4
a Tolerance
b Tolerance
c Tolerance
d Tolerance
0,020
+ 0,04_ 0
+ 0,008_0
+ 0,010_0
e Tolerance
f Tolerance
g Tolerance
+ 0_0,025
+ 0_0,031
+0_0,041
h Tolerance
i Tolerance
j Tolerance
k Tolerance
+0_0,004
+ 0_0,005
+0_0,006
+ 0,020_0
