C
TS
U
S
S
TA
N
D
A
R
D
-
A
S
TM
B
-8
8
H
A
R
D
-D
R
AW
N
C
O
P
PE
R
TU
B
IN
G
A
N
D
D
W
V
PE
R
A
S
TM
B
-3
0
6
C
op
pe
r
Tu
bi
ng
Si
ze
N
om
in
al
in
ch
es
/
A
ct
ua
l
m
m
D
im
en
si
on
s
–
in
ch
es
/m
m
A
ct
ua
l
O
ut
si
de
D
ia
m
ete
r
†
G
as
ke
t
S
ea
t
“
A”
G
ro
ov
e
W
id
th
“B
”
Gr
oo
ve
D
ia
me
te
r
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”
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ro
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e
D
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”
(re
f.)
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in
.
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llo
w
.
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al
l
Th
ic
k.
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”
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ax
.
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llo
w
.
Fla
re
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ia
.
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”
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x.
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n.
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asi
c
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x.
Mi
n.
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x.
Mi
n.
Ma
x.
Mi
n.
2
2.
12
7
2.
12
3
0.
61
0
0.
64
0
0.5
80
0.
33
0
0.
30
0
2.
02
9
2.
00
9
0.
04
8
DW
V*
2.174
54.
0
54.
0
53
.9
15
.5
16
.3
14
.7
8.4
7.6
51
.5
51
.0
1.
2
55.2
2
1/2
2.
627
2.
62
3
0.
61
0
0.
64
0
0.5
80
0.
33
0
0.
30
0
2.
52
5
2.
505
0.
050
0.
065
2.674
66
.7
66
.7
66.6
15
.5
16
.3
14
.7
8.4
7.6
64
.1
63
.6
1.
2
1.
7
67.9
3
3.
12
7
3.
12
3
0.
61
0
0.
64
0
0.5
80
0.
33
0
0.
30
0
3.
02
5
3.
005
0.
050
DW
V*
3.174
79.
4
79.
4
79.
3
15
.5
16
.3
14
.7
8.4
7.6
76
.8
76
.3
1.
2
80.6
4
4.
12
7
4.
12
3
0.
61
0
0.
64
0
0.5
80
0.
33
0
0.
30
0
4.
019
3.
999
0.
053
DW
V*
4.174
10
4.
8
10
4.
8
10
4.
7
15
.5
16
.3
14
.7
8.4
7.6
10
2.
1
10
1.
6
1.
4
106.0
5
5.
12
7
5.
12
3
0.
61
0
0.
64
0
0.5
80
0.
33
0
0.
30
0
4.
999
4.9
79
0.
063
DW
V*
5.220
13
0.
2
13
0.
2
13
0.
1
15
.5
16
.3
14
.7
8.4
7.6
12
7.0
12
6.5
1.
6
132.6
6
6.
12
7
6.
12
3
0.
61
0
0.
64
0
0.5
80
0.
33
0
0.
30
0
5.
999
5.9
79
0.
063
DW
V*
6.220
15
5.
6
15
5.
6
15
5.
5
15
.5
16
.3
14
.7
8.4
7.6
15
2.
3
15
1.
9
1.
6
158.0
8
8.
12
7
8.
12
1
0.
61
0
0.
64
0
0.5
80
0.
33
0
0.
30
0
7.9
59
7.9
39
0.
083
DW
V*
8.220
20
6.
4
20
6.
4
20
6.
3
15
.5
16
.3
14
.7
8.4
7.6
202
.2
20
1.
7
2.
1
208.8
† T
he o
ut
si
de d
iam
et
er o
f r
ol
l g
ro
ov
ed c
op
p
er t
ub
in
g c
an
no
t v
ar
y f
ro
m t
he t
ol
er
an
ce l
is
te
d. T
he m
ax
im
um al
lo
w
ab
le t
ol
er
an
ce f
ro
m s
qu
ar
e c
ut e
nd
s i
s 0
.0
3
0
in
ch
/0
.8
m
m f
or 2 – 3
-in
ch
/
5
4.
0 – 7
9.
4
-m
m s
iz
es an
d 0
.0
45
in
ch
/1
.1
m
m f
or 4 – 6
-in
ch
/1
0
4.
8 – 1
5
5.
6
-m
m s
iz
es
; t
hi
s i
s m
ea
su
re
d f
ro
m t
he t
ru
e s
qu
ar
e l
in
e.
* A
ST
M B
-3
0
6 d
rai
n-
w
as
te an
d v
en
t (
D
W
V
) i
s t
he m
in
im
um w
al
l t
hi
ck
ne
ss o
f c
op
p
er t
ub
in
g t
ha
t c
an b
e r
ol
l g
ro
ov
ed
.
TM-VE268_58
REV_H
TM-VE268
/ Operating and Maintenance Instructions Manual
Summary of Contents for VE268
Page 2: ......