C
O
P
PE
R
TU
B
IN
G
TO
C
TS
U
S
S
TA
N
D
A
R
D
–
A
S
TM
B
-8
8
A
N
D
A
S
TM
B
-3
0
6
N
om
in
al
inc
he
s/
Ac
tu
al
m
m
D
im
en
sio
ns – i
nc
he
s/
m
ill
im
et
er
s
C
op
per
T
ub
ing
O
ut
si
de
D
ia
m
et
er
†
G
as
ke
t S
ea
t
“A
”
G
ro
ove
W
id
th
“B”
G
ro
ove
D
ia
m
et
er
“C”
G
ro
ove
D
ep
th
“D
”
(r
ef.
)
Mi
n.
Al
low
.
Wa
ll
Th
ick
.
“T
”
Ma
x.
Al
low
.
Fla
re
D
ia
.
“F
”
Ma
x.
Mi
n.
B
asi
c
Ma
x.
Mi
n.
Ma
x.
Mi
n.
Ma
x.
Mi
n.
2
2.127
2.123
0.610
0.640
0.580
0.330
0.300
2.029
2.009
0.048
D
W
V *
2.220
54.0
54.0
53.9
15.5
16.3
14.7
8.4
7.6
51.5
51.0
1.2
56.4
21/2
2.627
2.623
0.610
0.640
0.580
0.330
0.300
2.525
2.505
0.050
0.065
2.720
66.7
66.7
66.6
15.5
16.3
14.7
8.4
7.6
64.1
63.6
1.2
1.7
69.1
3
3.127
3.123
0.610
0.640
0.580
0.330
0.300
3.025
3.005
0.050
D
W
V *
3.220
79.4
79.4
79.3
15.5
16.3
14.7
8.4
7.6
76.8
76.3
1.2
81.8
4
4.127
4.123
0.610
0.640
0.580
0.330
0.300
4.019
3.999
0.053
D
W
V *
4.220
104.8
104.8
104.7
15.5
16.3
14.7
8.4
7.6
102.1
101.6
1.4
107.2
5
5.127
5.123
0.610
0.640
0.580
0.330
0.300
4.999
4.979
0.063
D
W
V *
5.220
130.2
130.2
130.1
15.5
16.3
14.7
8.4
7.6
127.0
126.5
1.6
132.6
6
6.127
6.123
0.610
0.640
0.580
0.330
0.300
5.999
5.979
0.063
D
W
V *
6.220
155.6
155.6
155.5
15.5
16.3
14.7
8.4
7.6
152.3
151.9
1.6
158.0
8
8.127
8.121
0.610
0.640
0.580
0.330
0.300
7.959
7.939
0.083
D
W
V *
8.220
206.4
206.4
206.3
15.5
16.3
14.7
8.4
7.6
202.2
201.7
2.1
208.8
†
T
he o
ut
sid
e d
ia
m
et
er o
f r
ol
l g
ro
ove
d c
op
pe
r t
ub
in
g c
an
no
t v
ar
y f
ro
m t
he t
ol
er
an
ce li
st
ed
. T
he m
ax
im
um a
llo
w
ab
le t
ol
er
an
ce f
ro
m s
qu
ar
e c
ut e
nd
s
is 0
.0
30 in
ch
/0
/8 m
m f
or 2 – 3 in
ch
/5
4.
0 – 7
9.
4 m
m s
iz
es a
nd 0
.0
45 in
ch
/1
.1 m
m f
or 4 – 6 in
ch
/1
04.
8 – 1
55
.6 m
m s
iz
es
; t
hi
s i
s m
ea
su
re
d f
ro
m t
he t
ru
e
squ
ar
e l
in
e.
* A
ST
M B
-30
6 d
ra
in
-w
as
te a
nd ve
nt (
D
W
V) i
s t
he m
in
im
um w
al
l t
hi
ck
ne
ss o
f c
op
pe
r t
ub
in
g t
ha
t c
an b
e r
ol
l g
ro
ove
d.
30
REV_C
TM-RG3212
/ Operating and Maintenance Instructions Manual